diff --git a/src/dataset/stackoverflow.tag.json b/src/dataset/stackoverflow.tag.json
index 0bc0dc10c584f53eca2bf8b6302f86b7d070af03..d20f000906c457583e764f20879d11164127b208 100644
--- a/src/dataset/stackoverflow.tag.json
+++ b/src/dataset/stackoverflow.tag.json
@@ -8,7 +8,6 @@
   {"name": "ado.net-mars"},
   {"name": "sql-server-mars"},
   {"name": "mars"},
-  {"name": "sql-server-mars"},
   {"name": "snowflake-stream"},
   {"name": "snowflake-cloud-data-platform"},
   {"name": "variable-subsitution"},
@@ -18,13 +17,11 @@
   {"name": "email-injection"},
   {"name": "email"},
   {"name": "email-integration"},
-  {"name": "email"},
   {"name": "ink"},
   {"name": "rust-ink"},
   {"name": "command-line-parsing"},
   {"name": "command-line-arguments"},
   {"name": "command-line-args"},
-  {"name": "command-line-arguments"},
   {"name": "ar"},
   {"name": "augmented-reality"},
   {"name": "google-drive-team-drive"},
@@ -32,13 +29,10 @@
   {"name": "zoom"},
   {"name": "zoom-sdk"},
   {"name": "zoom-api"},
-  {"name": "zoom-sdk"},
   {"name": "zoomsdk"},
-  {"name": "zoom-sdk"},
   {"name": "page-zoom"},
   {"name": "zooming"},
   {"name": "image-zoom"},
-  {"name": "zooming"},
   {"name": "microsoft-bot-framework"},
   {"name": "botframework"},
   {"name": "fbprophet"},
@@ -58,7 +52,6 @@
   {"name": "kusto"},
   {"name": "azure-data-explorer"},
   {"name": "azure-kusto"},
-  {"name": "azure-data-explorer"},
   {"name": "kusto-query-language"},
   {"name": "kql"},
   {"name": "mocha"},
@@ -74,7 +67,6 @@
   {"name": "instruction-set-architecture"},
   {"name": "instruction-set"},
   {"name": "isa"},
-  {"name": "instruction-set"},
   {"name": "wixcode"},
   {"name": "velo"},
   {"name": "sapui5-smart-table"},
@@ -88,7 +80,6 @@
   {"name": "alphavantage"},
   {"name": "alpha-vantage"},
   {"name": "alphavantage-api"},
-  {"name": "alpha-vantage"},
   {"name": "spring-rabbitmq"},
   {"name": "spring-rabbit"},
   {"name": "tf-lite"},
@@ -98,7 +89,6 @@
   {"name": "pivotal-cloud-foundry"},
   {"name": "cloud-foundry"},
   {"name": "cloudfoundry"},
-  {"name": "cloud-foundry"},
   {"name": "ember-2.0.0"},
   {"name": "ember.js-2"},
   {"name": "ember-3"},
@@ -118,19 +108,14 @@
   {"name": "visual-studio-code-extension"},
   {"name": "vscode-extensions"},
   {"name": "snowflake-pipe"},
-  {"name": "snowflake-cloud-data-platform"},
   {"name": "snowflake-task"},
-  {"name": "snowflake-cloud-data-platform"},
   {"name": "snowsql"},
-  {"name": "snowflake-cloud-data-platform"},
   {"name": "snowflake-data-masking"},
-  {"name": "snowflake-cloud-data-platform"},
   {"name": "labstack-echo"},
   {"name": "go-echo"},
   {"name": "netbeans12.0"},
   {"name": "netbeans-12"},
   {"name": "netbeans-12-0"},
-  {"name": "netbeans-12"},
   {"name": "cypressio"},
   {"name": "cypress"},
   {"name": "webkit-mask"},
@@ -140,7 +125,6 @@
   {"name": "aws-efs"},
   {"name": "amazon-efs"},
   {"name": "aws-elasticfilesystem"},
-  {"name": "amazon-efs"},
   {"name": "islamic-calendar"},
   {"name": "hijri"},
   {"name": "icloudkit"},
@@ -170,13 +154,11 @@
   {"name": "device-context"},
   {"name": "gdi"},
   {"name": "hdc"},
-  {"name": "gdi"},
   {"name": "contribute"},
   {"name": "adobe-contribute"},
   {"name": "azure-luis"},
   {"name": "azure-language-understanding"},
   {"name": "luis"},
-  {"name": "azure-language-understanding"},
   {"name": "parselivequery"},
   {"name": "parse-live-query"},
   {"name": "cnn"},
@@ -184,21 +166,15 @@
   {"name": "vcf"},
   {"name": "vcf-vcard"},
   {"name": "vcard"},
-  {"name": "vcf-vcard"},
   {"name": "google-ads"},
   {"name": "google-ads-api"},
   {"name": "google-adwords"},
-  {"name": "google-ads-api"},
   {"name": "greensock"},
   {"name": "gsap"},
   {"name": "timelinelite"},
-  {"name": "gsap"},
   {"name": "timelinemax"},
-  {"name": "gsap"},
   {"name": "tweenlite"},
-  {"name": "gsap"},
   {"name": "tweenmax"},
-  {"name": "gsap"},
   {"name": "git-commands"},
   {"name": "git"},
   {"name": "elixir-framework"},
@@ -210,7 +186,6 @@
   {"name": "parameterized-queries"},
   {"name": "prepared-statement"},
   {"name": "parameterized-query"},
-  {"name": "prepared-statement"},
   {"name": "babel"},
   {"name": "babeljs"},
   {"name": "caffeine"},
@@ -220,7 +195,6 @@
   {"name": "aws-alb"},
   {"name": "aws-application-load-balancer"},
   {"name": "amazon-alb"},
-  {"name": "aws-application-load-balancer"},
   {"name": "es2018"},
   {"name": "ecmascript-2018"},
   {"name": "revit"},
@@ -230,9 +204,7 @@
   {"name": "wlan"},
   {"name": "wifi"},
   {"name": "802.11"},
-  {"name": "wifi"},
   {"name": "wificonfiguration"},
-  {"name": "wifi"},
   {"name": "microsoft-dynamics-business-central"},
   {"name": "dynamics-business-central"},
   {"name": "javamail"},
@@ -260,41 +232,27 @@
   {"name": "google-sheets-export-url"},
   {"name": "google-sheets"},
   {"name": "google-sheets-charts"},
-  {"name": "google-sheets"},
   {"name": "google-sheets-filter-view"},
-  {"name": "google-sheets"},
   {"name": "gs-conditional-formatting"},
-  {"name": "google-sheets"},
   {"name": "google-sheets-conditionalformatting"},
-  {"name": "google-sheets"},
   {"name": "youtube.net-api"},
-  {"name": "youtube-api"},
   {"name": "youtube-javascript-api"},
-  {"name": "youtube-api"},
   {"name": "google-sheets-vlookup"},
   {"name": "google-sheets-formula"},
   {"name": "gs-vlookup"},
-  {"name": "google-sheets-formula"},
   {"name": "google-apps-script-html-service"},
   {"name": "google-apps-script"},
   {"name": "gas-web-app"},
-  {"name": "google-apps-script"},
   {"name": "google-apps-script-web-application"},
-  {"name": "google-apps-script"},
   {"name": "google-apps-script-simple-triggers"},
-  {"name": "google-apps-script"},
   {"name": "gs-installable-triggers"},
-  {"name": "google-apps-script"},
   {"name": "google-sheets-query"},
-  {"name": "google-sheets-formula"},
   {"name": "importrange"},
-  {"name": "google-sheets-formula"},
   {"name": "cypher-query"},
   {"name": "cypher"},
   {"name": "google-calendar-reminders"},
   {"name": "google-calendar-api"},
   {"name": "google-calendar-recurring-events"},
-  {"name": "google-calendar-api"},
   {"name": "dialogflow-fulfillment"},
   {"name": "dialogflow-es-fulfillment"},
   {"name": "dialogflow"},
@@ -304,7 +262,6 @@
   {"name": "pandas-df"},
   {"name": "dataframe"},
   {"name": "r-df"},
-  {"name": "dataframe"},
   {"name": "df"},
   {"name": "linux-df"},
   {"name": "pf-datatable"},
@@ -312,7 +269,6 @@
   {"name": "twitter-bootstrap-4-beta"},
   {"name": "bootstrap-4"},
   {"name": "bootstrap-4.1.x"},
-  {"name": "bootstrap-4"},
   {"name": "ms-extensions-logging"},
   {"name": "microsoft-extensions-logging"},
   {"name": "serializer"},
@@ -322,7 +278,6 @@
   {"name": "vuejs-directive"},
   {"name": "vue-directives"},
   {"name": "vue.js-directives"},
-  {"name": "vue-directives"},
   {"name": "hellosign"},
   {"name": "hellosign-api"},
   {"name": "java.time.localtime"},
@@ -332,7 +287,6 @@
   {"name": "jakarta-persistence"},
   {"name": "jpa"},
   {"name": "google-sheets-importxml"},
-  {"name": "google-sheets-formula"},
   {"name": "az"},
   {"name": "azure"},
   {"name": "hdinsight"},
@@ -344,9 +298,7 @@
   {"name": "swift5.3"},
   {"name": "swift5"},
   {"name": "swift5.2"},
-  {"name": "swift5"},
   {"name": "swift5.1"},
-  {"name": "swift5"},
   {"name": "laravel-route"},
   {"name": "laravel-routing"},
   {"name": "mui"},
@@ -354,15 +306,12 @@
   {"name": "aws-eks"},
   {"name": "amazon-eks"},
   {"name": "eks"},
-  {"name": "amazon-eks"},
   {"name": "coinpayments.net"},
   {"name": "coinpayments-api"},
   {"name": "auto-rotation"},
   {"name": "autorotate"},
   {"name": "advanced-google-services"},
-  {"name": "google-apps-script"},
   {"name": "gmail-addons"},
-  {"name": "google-apps-script"},
   {"name": "text-rotating"},
   {"name": "text-rotation"},
   {"name": "gin-gonic"},
@@ -370,13 +319,9 @@
   {"name": "qc"},
   {"name": "hp-quality-center"},
   {"name": "testdirector"},
-  {"name": "hp-quality-center"},
   {"name": "gsuite-addons"},
-  {"name": "google-apps-script"},
   {"name": "google-apps-script-addon"},
-  {"name": "google-apps-script"},
   {"name": "google-sheets-custom-function"},
-  {"name": "google-apps-script"},
   {"name": "gtm"},
   {"name": "google-tag-manager"},
   {"name": "offline-web-app"},
@@ -384,11 +329,8 @@
   {"name": "hilt-dagger"},
   {"name": "dagger-hilt"},
   {"name": "android-hilt"},
-  {"name": "dagger-hilt"},
   {"name": "android-jetpack-hilt"},
-  {"name": "dagger-hilt"},
   {"name": "hilt"},
-  {"name": "dagger-hilt"},
   {"name": "kwargs"},
   {"name": "keyword-argument"},
   {"name": "navigationlink"},
@@ -398,25 +340,17 @@
   {"name": "google-maps-direction-api"},
   {"name": "google-directions-api"},
   {"name": "google-sheets-macros"},
-  {"name": "google-apps-script"},
   {"name": "concat"},
   {"name": "concatenation"},
   {"name": "npm-liveserver"},
   {"name": "npm-live-server"},
   {"name": "nodejs-liveserver"},
-  {"name": "npm-live-server"},
   {"name": "google-apps-script-libraries"},
-  {"name": "google-apps-script"},
   {"name": "google-apps-script-runtime"},
-  {"name": "google-apps-script"},
   {"name": "google-apps-script-menu"},
-  {"name": "google-apps-script"},
   {"name": "google-apps-script-project"},
-  {"name": "google-apps-script"},
   {"name": "google-apps-script-dashboard"},
-  {"name": "google-apps-script"},
   {"name": "google-apps-script-editor"},
-  {"name": "google-apps-script"},
   {"name": "parse-cloud"},
   {"name": "parse-cloud-code"},
   {"name": "java-date"},
@@ -428,7 +362,6 @@
   {"name": "mfa"},
   {"name": "multi-factor-authentication"},
   {"name": "multi-factor"},
-  {"name": "multi-factor-authentication"},
   {"name": "google-oauth2"},
   {"name": "google-oauth"},
   {"name": "tfjs"},
@@ -436,7 +369,6 @@
   {"name": "admin-sdk"},
   {"name": "google-admin-sdk"},
   {"name": "gcal"},
-  {"name": "google-calendar-api"},
   {"name": "esprima.js"},
   {"name": "esprima"},
   {"name": "gap"},
@@ -456,11 +388,9 @@
   {"name": "flex-direction"},
   {"name": "flexbox"},
   {"name": "flex"},
-  {"name": "flexbox"},
   {"name": "gnu-as"},
   {"name": "gnu-assembler"},
   {"name": "google-form"},
-  {"name": "google-forms"},
   {"name": "mediacodec"},
   {"name": "android-mediacodec"},
   {"name": "es-module"},
@@ -468,25 +398,18 @@
   {"name": "tableau-public"},
   {"name": "tableau-api"},
   {"name": "tableau-online"},
-  {"name": "tableau-api"},
   {"name": "tableau-server"},
-  {"name": "tableau-api"},
   {"name": "tableau"},
-  {"name": "tableau-api"},
   {"name": "chef12.0"},
   {"name": "chef-infra"},
   {"name": "jpms"},
   {"name": "java-platform-module-system"},
   {"name": "jigsaw"},
-  {"name": "java-platform-module-system"},
   {"name": "gs"},
-  {"name": "google-sheets"},
   {"name": "cordova-9.0.0"},
   {"name": "cordova9"},
   {"name": "flex-grow"},
-  {"name": "flexbox"},
   {"name": "chef"},
-  {"name": "chef-infra"},
   {"name": "d3.js-v5"},
   {"name": "d3.js"},
   {"name": "maccatalyst"},
@@ -498,7 +421,6 @@
   {"name": "glove"},
   {"name": "stanford-nlp"},
   {"name": "stanford-stanza"},
-  {"name": "stanford-nlp"},
   {"name": "uva"},
   {"name": "cuda-uva"},
   {"name": "const"},
@@ -508,7 +430,6 @@
   {"name": "ssd"},
   {"name": "solid-state-drive"},
   {"name": "google-direction-api"},
-  {"name": "google-directions-api"},
   {"name": "microsoft-graph"},
   {"name": "microsoft-graph-api"},
   {"name": "type-graphql"},
@@ -516,7 +437,6 @@
   {"name": "box-shadow"},
   {"name": "css"},
   {"name": "box-sizing"},
-  {"name": "css"},
   {"name": "bert"},
   {"name": "bert-language-model"},
   {"name": "azure-machine-learning"},
@@ -524,15 +444,12 @@
   {"name": "urlfetchapp"},
   {"name": "urlfetch"},
   {"name": "google-direction"},
-  {"name": "google-directions-api"},
   {"name": "uninstall"},
   {"name": "uninstallation"},
   {"name": "uninstaller"},
-  {"name": "uninstallation"},
   {"name": "installer"},
   {"name": "installation"},
   {"name": "install"},
-  {"name": "installation"},
   {"name": "ag-grid-enterprise"},
   {"name": "ag-grid"},
   {"name": "vue3"},
@@ -542,39 +459,22 @@
   {"name": "daysjs"},
   {"name": "dayjs"},
   {"name": "hms-analytics"},
-  {"name": "huawei-mobile-services"},
   {"name": "hms-dynamic-tag-manager"},
-  {"name": "huawei-mobile-services"},
   {"name": "hms-mlkit"},
-  {"name": "huawei-mobile-services"},
   {"name": "hms-panorama"},
-  {"name": "huawei-mobile-services"},
   {"name": "hms-site"},
-  {"name": "huawei-mobile-services"},
   {"name": "hms-wallet"},
-  {"name": "huawei-mobile-services"},
   {"name": "hms-map"},
-  {"name": "huawei-mobile-services"},
   {"name": "hms-safety-detect"},
-  {"name": "huawei-mobile-services"},
   {"name": "hms-fido"},
-  {"name": "huawei-mobile-services"},
   {"name": "hms-game"},
-  {"name": "huawei-mobile-services"},
   {"name": "hms-location-services"},
-  {"name": "huawei-mobile-services"},
   {"name": "hms-push"},
-  {"name": "huawei-mobile-services"},
   {"name": "hms-nearby"},
-  {"name": "huawei-mobile-services"},
   {"name": "hms-scan"},
-  {"name": "huawei-mobile-services"},
   {"name": "hms-awareness"},
-  {"name": "huawei-mobile-services"},
   {"name": "hms-health"},
-  {"name": "huawei-mobile-services"},
   {"name": "hms-drive"},
-  {"name": "huawei-mobile-services"},
   {"name": "image-morphology"},
   {"name": "mathematical-morphology"},
   {"name": "lambdaexpression"},
@@ -584,23 +484,15 @@
   {"name": "vs-2019"},
   {"name": "visual-studio-2019"},
   {"name": "sapui5-smartfield"},
-  {"name": "sapui5"},
   {"name": "sapui5-opa"},
-  {"name": "sapui5"},
   {"name": "sapui5-smarttable"},
-  {"name": "sapui5"},
   {"name": "sapui5-theming"},
-  {"name": "sapui5"},
   {"name": "ui5-library"},
-  {"name": "sapui5"},
   {"name": "hms"},
-  {"name": "huawei-mobile-services"},
   {"name": "spring-reactive"},
   {"name": "spring-webflux"},
   {"name": "spring-reactor"},
-  {"name": "spring-webflux"},
   {"name": "generic-lambda"},
-  {"name": "lambda"},
   {"name": "laravel-stripe"},
   {"name": "laravel-cashier"},
   {"name": "numpy-broadcasting"},
@@ -612,7 +504,6 @@
   {"name": "commenting"},
   {"name": "comments"},
   {"name": "code-comments"},
-  {"name": "comments"},
   {"name": "inertia"},
   {"name": "inertiajs"},
   {"name": "zeit"},
@@ -628,31 +519,23 @@
   {"name": "react.js"},
   {"name": "reactjs"},
   {"name": "zeit-now"},
-  {"name": "vercel"},
   {"name": "efcore"},
   {"name": "entity-framework-core"},
   {"name": "snowflake-data-warehouse"},
-  {"name": "snowflake-cloud-data-platform"},
   {"name": "pyspark-dataframes"},
   {"name": "pyspark"},
   {"name": "16-puzzle"},
   {"name": "sliding-tile-puzzle"},
   {"name": "15-puzzle"},
-  {"name": "sliding-tile-puzzle"},
   {"name": "9-puzzle"},
-  {"name": "sliding-tile-puzzle"},
   {"name": "8-puzzle"},
-  {"name": "sliding-tile-puzzle"},
   {"name": "corvid"},
-  {"name": "velo"},
   {"name": "recycler-adapter"},
   {"name": "android-recyclerview"},
   {"name": "ibm"},
   {"name": "websphere"},
   {"name": "hms-integration"},
-  {"name": "huawei-mobile-services"},
   {"name": "huawei"},
-  {"name": "huawei-mobile-services"},
   {"name": "apigility"},
   {"name": "laminas-api-tools"},
   {"name": "zend-expressive"},
@@ -674,7 +557,6 @@
   {"name": "google-oauth-python-client"},
   {"name": "google-api-python-client"},
   {"name": "googlescript"},
-  {"name": "google-apps-script"},
   {"name": "int"},
   {"name": "integer"},
   {"name": "lsm"},
@@ -694,13 +576,11 @@
   {"name": "sap-nco"},
   {"name": "sap-dotnet-connector"},
   {"name": "sap-connector"},
-  {"name": "sap-dotnet-connector"},
   {"name": "google-php-sdk"},
   {"name": "google-api-php-client"},
   {"name": "java-ee-web-profile"},
   {"name": "jakarta-ee"},
   {"name": "java-ee"},
-  {"name": "jakarta-ee"},
   {"name": "dropbox-js"},
   {"name": "dropbox-sdk-js"},
   {"name": "google-linechart"},
@@ -724,45 +604,33 @@
   {"name": "powerautomate"},
   {"name": "power-automate"},
   {"name": "microsoft-flow"},
-  {"name": "power-automate"},
   {"name": "ms-flow"},
-  {"name": "power-automate"},
   {"name": "perl6"},
   {"name": "raku"},
   {"name": "html-layout"},
   {"name": "layout"},
   {"name": "htmllayout"},
-  {"name": "layout"},
   {"name": "serverside-rendering"},
   {"name": "server-side-rendering"},
   {"name": "ssr"},
-  {"name": "server-side-rendering"},
   {"name": "aws-ecr"},
   {"name": "amazon-ecr"},
   {"name": "schtasks"},
   {"name": "windows-task-scheduler"},
   {"name": "windows-scheduler"},
-  {"name": "windows-task-scheduler"},
   {"name": "windowstaskschedule"},
-  {"name": "windows-task-scheduler"},
   {"name": "schtasks.exe"},
-  {"name": "windows-task-scheduler"},
   {"name": "open-graph-protocol"},
   {"name": "facebook-opengraph"},
   {"name": "aurelia-form"},
   {"name": "aurelia"},
   {"name": "aurelia-ux"},
-  {"name": "aurelia"},
   {"name": "aurelia-testing"},
-  {"name": "aurelia"},
   {"name": "aurelia-bundling"},
-  {"name": "aurelia"},
   {"name": "stackframe"},
   {"name": "stack-frame"},
   {"name": "snowflake-connector-python"},
-  {"name": "snowflake-cloud-data-platform"},
   {"name": "snowflake-datawarehouse"},
-  {"name": "snowflake-cloud-data-platform"},
   {"name": "watch-os-2-beta3"},
   {"name": "watchos-2-beta3"},
   {"name": "watch-os-6"},
@@ -784,7 +652,6 @@
   {"name": "hit-testing"},
   {"name": "hittest"},
   {"name": "hit-test"},
-  {"name": "hittest"},
   {"name": "health-kit"},
   {"name": "healthkit"},
   {"name": "uinavigation"},
@@ -798,15 +665,11 @@
   {"name": "class-template-argument-deduction"},
   {"name": "template-argument-deduction"},
   {"name": "template-deduction"},
-  {"name": "template-argument-deduction"},
   {"name": "itunes-connect"},
   {"name": "app-store-connect"},
   {"name": "itunesconnect"},
-  {"name": "app-store-connect"},
   {"name": "appstoreconnect"},
-  {"name": "app-store-connect"},
   {"name": "ecr"},
-  {"name": "amazon-ecr"},
   {"name": "kinesis"},
   {"name": "amazon-kinesis"},
   {"name": "ssm"},
@@ -822,9 +685,7 @@
   {"name": "azure-search"},
   {"name": "azure-cognitive-search"},
   {"name": "pycorenlp"},
-  {"name": "stanford-nlp"},
   {"name": "snowflake"},
-  {"name": "snowflake-cloud-data-platform"},
   {"name": "meson"},
   {"name": "meson-build"},
   {"name": "sigsegv"},
@@ -838,13 +699,11 @@
   {"name": "confluent"},
   {"name": "confluent-platform"},
   {"name": "confluent-kafka"},
-  {"name": "confluent-platform"},
   {"name": "relativelayout"},
   {"name": "android-relativelayout"},
   {"name": "android-10.0-q"},
   {"name": "android-10.0"},
   {"name": "androidq"},
-  {"name": "android-10.0"},
   {"name": "riotjs"},
   {"name": "riot.js"},
   {"name": "perl5"},
@@ -854,11 +713,8 @@
   {"name": "asyncio"},
   {"name": "python-asyncio"},
   {"name": "bigquery-standard-sql"},
-  {"name": "google-bigquery"},
   {"name": "bigquery-ml"},
-  {"name": "google-bigquery"},
   {"name": "python-bigquery"},
-  {"name": "google-bigquery"},
   {"name": "okhttp3"},
   {"name": "okhttp"},
   {"name": "npmjs"},
@@ -878,7 +734,6 @@
   {"name": "allow-same-origin"},
   {"name": "same-origin-policy"},
   {"name": "google-script"},
-  {"name": "google-apps-script"},
   {"name": "machine-config"},
   {"name": "machine.config"},
   {"name": "hg-convert"},
@@ -894,7 +749,6 @@
   {"name": "docker-windows"},
   {"name": "docker-for-windows"},
   {"name": "docker-on-windows"},
-  {"name": "docker-for-windows"},
   {"name": "client-object-model"},
   {"name": "sharepoint-clientobject"},
   {"name": "data-cleansing"},
@@ -902,21 +756,13 @@
   {"name": "appcompat-v7-r25"},
   {"name": "android-appcompat"},
   {"name": "appcompat-v7-r24"},
-  {"name": "android-appcompat"},
   {"name": "appcompat-v7-r23.2"},
-  {"name": "android-appcompat"},
   {"name": "appcompat-v7-r23.1"},
-  {"name": "android-appcompat"},
   {"name": "appcompat-v7-r23"},
-  {"name": "android-appcompat"},
   {"name": "appcompat-v7-r22.2"},
-  {"name": "android-appcompat"},
   {"name": "appcompat-v7-r22.1"},
-  {"name": "android-appcompat"},
   {"name": "appcompat-v7-r21"},
-  {"name": "android-appcompat"},
   {"name": "appcompat-v7"},
-  {"name": "android-appcompat"},
   {"name": "cxx"},
   {"name": "c++"},
   {"name": "man"},
@@ -950,7 +796,6 @@
   {"name": "advertising"},
   {"name": "ads"},
   {"name": "advertisement"},
-  {"name": "ads"},
   {"name": "webdb"},
   {"name": "web-sql"},
   {"name": "slick-slider"},
@@ -958,7 +803,6 @@
   {"name": "bpm"},
   {"name": "business-process-management"},
   {"name": "bpms"},
-  {"name": "business-process-management"},
   {"name": "pubsubhubbub"},
   {"name": "websub"},
   {"name": "multidex"},
@@ -984,7 +828,6 @@
   {"name": "lfs"},
   {"name": "linux-from-scratch"},
   {"name": "tensorflowjs"},
-  {"name": "tensorflow.js"},
   {"name": "android-gradle"},
   {"name": "android-gradle-plugin"},
   {"name": "xml-dtd"},
@@ -1000,13 +843,11 @@
   {"name": "secondlife"},
   {"name": "linden-scripting-language"},
   {"name": "lsl"},
-  {"name": "linden-scripting-language"},
   {"name": "meeting"},
   {"name": "meeting-request"},
   {"name": "google-analytics-android"},
   {"name": "google-analytics-firebase"},
   {"name": "google-analytics-v4"},
-  {"name": "google-analytics-firebase"},
   {"name": "google-contacts"},
   {"name": "google-contacts-api"},
   {"name": "splash"},
@@ -1022,25 +863,17 @@
   {"name": "pixijs"},
   {"name": "pixi.js"},
   {"name": "css-text-overflow"},
-  {"name": "css"},
   {"name": "css3"},
-  {"name": "css"},
   {"name": "css-text-shadow"},
-  {"name": "css"},
   {"name": "css-box-shadow"},
-  {"name": "css"},
   {"name": "css-border-radius"},
-  {"name": "css"},
   {"name": "css-border-image"},
-  {"name": "css"},
   {"name": "okhttpclient"},
-  {"name": "okhttp"},
   {"name": "julian"},
   {"name": "julian-date"},
   {"name": "sqlprofiler"},
   {"name": "sql-server-profiler"},
   {"name": "nowjs"},
-  {"name": "vercel"},
   {"name": "esa-snap"},
   {"name": "sentinel-application-platform"},
   {"name": "snap-package"},
@@ -1064,19 +897,13 @@
   {"name": "tan"},
   {"name": "trigonometry"},
   {"name": "cos"},
-  {"name": "trigonometry"},
   {"name": "cosine"},
-  {"name": "trigonometry"},
   {"name": "sine"},
-  {"name": "trigonometry"},
   {"name": "sin"},
-  {"name": "trigonometry"},
   {"name": "condition"},
   {"name": "conditional-statements"},
   {"name": "conditionals"},
-  {"name": "conditional-statements"},
   {"name": "conditions"},
-  {"name": "conditional-statements"},
   {"name": "cep"},
   {"name": "complex-event-processing"},
   {"name": "shortcut-key"},
@@ -1096,11 +923,8 @@
   {"name": "linewrap"},
   {"name": "word-wrap"},
   {"name": "textwrapping"},
-  {"name": "word-wrap"},
   {"name": "wrapping"},
-  {"name": "word-wrap"},
   {"name": "echo-framework"},
-  {"name": "go-echo"},
   {"name": "tracing"},
   {"name": "trace"},
   {"name": "7bit"},
@@ -1122,11 +946,8 @@
   {"name": "dagger.android"},
   {"name": "dagger"},
   {"name": "dagger-android"},
-  {"name": "dagger"},
   {"name": "time-tag"},
-  {"name": "html"},
   {"name": "html5"},
-  {"name": "html"},
   {"name": "prestosql"},
   {"name": "presto"},
   {"name": "html-form"},
@@ -1162,7 +983,6 @@
   {"name": "oodbms"},
   {"name": "object-oriented-database"},
   {"name": "object-database"},
-  {"name": "object-oriented-database"},
   {"name": "redshift"},
   {"name": "amazon-redshift"},
   {"name": "lotusrb"},
@@ -1176,13 +996,11 @@
   {"name": "discord.py-rewrite"},
   {"name": "discord.py"},
   {"name": "appcompat"},
-  {"name": "android-appcompat"},
   {"name": "integration-tests"},
   {"name": "integration-testing"},
   {"name": "gnu-mathprog"},
   {"name": "mathprog"},
   {"name": "gmpl"},
-  {"name": "mathprog"},
   {"name": "copyfile"},
   {"name": "file-copying"},
   {"name": "sqlite3"},
@@ -1194,17 +1012,12 @@
   {"name": "folders"},
   {"name": "directory"},
   {"name": "folder"},
-  {"name": "directory"},
   {"name": "subfolder"},
-  {"name": "subdirectory"},
   {"name": "subdirectories"},
-  {"name": "subdirectory"},
   {"name": "working-folder"},
   {"name": "working-directory"},
   {"name": "current-dir"},
-  {"name": "working-directory"},
   {"name": "current-working-directory"},
-  {"name": "working-directory"},
   {"name": "folder-structure"},
   {"name": "directory-structure"},
   {"name": "shared-folders"},
@@ -1266,7 +1079,6 @@
   {"name": "geographical-information"},
   {"name": "gis"},
   {"name": "google-bigquery-ml"},
-  {"name": "google-bigquery"},
   {"name": "gke"},
   {"name": "google-kubernetes-engine"},
   {"name": "hextiles"},
@@ -1280,7 +1092,6 @@
   {"name": "user-settings"},
   {"name": "settings"},
   {"name": "usersettings"},
-  {"name": "settings"},
   {"name": "fp16"},
   {"name": "half-precision-float"},
   {"name": "subtract"},
@@ -1310,7 +1121,6 @@
   {"name": "awk-formatting"},
   {"name": "awk"},
   {"name": "mawk"},
-  {"name": "awk"},
   {"name": "constraint-layout"},
   {"name": "android-constraintlayout"},
   {"name": "gcd"},
@@ -1384,13 +1194,9 @@
   {"name": "linqjs"},
   {"name": "linq.js"},
   {"name": "google-timeline-chart"},
-  {"name": "google-visualization"},
   {"name": "google-organization-chart"},
-  {"name": "google-visualization"},
   {"name": "query-tuning"},
-  {"name": "query-optimization"},
   {"name": "sql-tuning"},
-  {"name": "query-optimization"},
   {"name": "dash"},
   {"name": "hyphen"},
   {"name": "helm"},
@@ -1398,17 +1204,14 @@
   {"name": "python-dash"},
   {"name": "plotly-dash"},
   {"name": "nawk"},
-  {"name": "awk"},
   {"name": "sagemaker"},
   {"name": "amazon-sagemaker"},
   {"name": "aws-sagemaker"},
-  {"name": "amazon-sagemaker"},
   {"name": "framelayout"},
   {"name": "android-framelayout"},
   {"name": "typelibrary"},
   {"name": "typelib"},
   {"name": "type-library"},
-  {"name": "typelib"},
   {"name": "glide-image-library"},
   {"name": "android-glide"},
   {"name": "ng-include"},
@@ -1416,7 +1219,6 @@
   {"name": "livedata"},
   {"name": "android-livedata"},
   {"name": "android-architecture-livedata"},
-  {"name": "android-livedata"},
   {"name": "juno"},
   {"name": "openstack-juno"},
   {"name": "kismet"},
@@ -1446,9 +1248,7 @@
   {"name": "youtube-v3-api"},
   {"name": "youtube-data-api"},
   {"name": "youtube-data-api-v3"},
-  {"name": "youtube-data-api"},
   {"name": "youtube-api-v3"},
-  {"name": "youtube-data-api"},
   {"name": "struts-1.x"},
   {"name": "struts-1"},
   {"name": "react-vr"},
@@ -1476,7 +1276,6 @@
   {"name": "kotlin-anko"},
   {"name": "anko"},
   {"name": "google-services"},
-  {"name": "google-play-services"},
   {"name": "zeppelin"},
   {"name": "apache-zeppelin"},
   {"name": "typehints"},
@@ -1484,29 +1283,24 @@
   {"name": "corb"},
   {"name": "marklogic-corb"},
   {"name": "aurelia-framework"},
-  {"name": "aurelia"},
   {"name": "as3-api"},
   {"name": "actionscript-3"},
   {"name": "vapor2"},
   {"name": "vapor"},
   {"name": "vapor3"},
-  {"name": "vapor"},
   {"name": "qt-style-sheet"},
   {"name": "qtstylesheets"},
   {"name": "qt-style-sheets"},
-  {"name": "qtstylesheets"},
   {"name": "windows-taskbar"},
   {"name": "taskbar"},
   {"name": "special-methods"},
   {"name": "magic-methods"},
   {"name": "qss"},
-  {"name": "qtstylesheets"},
   {"name": "casing-conventions"},
   {"name": "naming-conventions"},
   {"name": "decentralized"},
   {"name": "distributed"},
   {"name": "wifi-configuration"},
-  {"name": "wifi"},
   {"name": "appmaker"},
   {"name": "google-app-maker"},
   {"name": "rolling"},
@@ -1536,19 +1330,15 @@
   {"name": "julialang"},
   {"name": "julia"},
   {"name": "julia-lang"},
-  {"name": "julia"},
   {"name": "radiobutton"},
   {"name": "radio-button"},
   {"name": "option-button"},
-  {"name": "radio-button"},
   {"name": "optionbutton"},
-  {"name": "radio-button"},
   {"name": "travis"},
   {"name": "travis-ci"},
   {"name": "finite-state-machine"},
   {"name": "state-machine"},
   {"name": "state-machines"},
-  {"name": "state-machine"},
   {"name": "immutablejs"},
   {"name": "immutable.js"},
   {"name": "git-conflict-resolution"},
@@ -1574,7 +1364,6 @@
   {"name": "tradingview"},
   {"name": "tradingview-api"},
   {"name": "trading-view"},
-  {"name": "tradingview-api"},
   {"name": "ses"},
   {"name": "amazon-ses"},
   {"name": "emgu"},
@@ -1592,11 +1381,8 @@
   {"name": "jdk11"},
   {"name": "java-11"},
   {"name": "order-of-operations"},
-  {"name": "operator-precedence"},
   {"name": "order-of-evaluation"},
-  {"name": "operator-precedence"},
   {"name": "evaluation-order"},
-  {"name": "operator-precedence"},
   {"name": "ahk"},
   {"name": "autohotkey"},
   {"name": "nomenclature"},
@@ -1620,17 +1406,12 @@
   {"name": "decompress"},
   {"name": "compression"},
   {"name": "decompression"},
-  {"name": "compression"},
   {"name": "uncompress"},
-  {"name": "compression"},
   {"name": "japanese"},
   {"name": "cjk"},
   {"name": "korean"},
-  {"name": "cjk"},
   {"name": "chinese"},
-  {"name": "cjk"},
   {"name": "aws-elasticbeanstalk"},
-  {"name": "amazon-elastic-beanstalk"},
   {"name": "circular"},
   {"name": "circular-dependency"},
   {"name": "calcite"},
@@ -1646,7 +1427,6 @@
   {"name": "war-files"},
   {"name": "war"},
   {"name": ".war"},
-  {"name": "war"},
   {"name": "hp-loadrunner"},
   {"name": "loadrunner"},
   {"name": "azure-kubernetes"},
@@ -1666,7 +1446,6 @@
   {"name": "s3-bucket"},
   {"name": "amazon-s3"},
   {"name": "webpage"},
-  {"name": "html"},
   {"name": "google-admob"},
   {"name": "admob"},
   {"name": "php-namespaces"},
@@ -1682,11 +1461,9 @@
   {"name": "spring-data-neo4j-4"},
   {"name": "spring-data-neo4j"},
   {"name": "spring-data-neo4j-5"},
-  {"name": "spring-data-neo4j"},
   {"name": "vanillajs"},
   {"name": "javascript"},
   {"name": "vanilla-js"},
-  {"name": "javascript"},
   {"name": "sharepoint-online-rest-api"},
   {"name": "sharepoint-rest-api"},
   {"name": "website"},
@@ -1704,7 +1481,6 @@
   {"name": "pyspark-sql"},
   {"name": "apache-spark-sql"},
   {"name": "google-calendar-api3"},
-  {"name": "google-calendar-api"},
   {"name": "custom-exceptions"},
   {"name": "exception"},
   {"name": "image-icon"},
@@ -1742,7 +1518,6 @@
   {"name": "static-resource"},
   {"name": "staticresource"},
   {"name": "struts1"},
-  {"name": "struts-1"},
   {"name": "formsauthentication"},
   {"name": "forms-authentication"},
   {"name": "get-method"},
@@ -1768,9 +1543,7 @@
   {"name": "flex-mojos"},
   {"name": "flexmojos"},
   {"name": "scala-generics"},
-  {"name": "generics"},
   {"name": "data-compression"},
-  {"name": "compression"},
   {"name": "edit-control"},
   {"name": "editcontrol"},
   {"name": "event-queue"},
@@ -1870,11 +1643,9 @@
   {"name": "modal-popup"},
   {"name": "modalpopup"},
   {"name": "modalpopups"},
-  {"name": "modalpopup"},
   {"name": "symbol-tables"},
   {"name": "symbol-table"},
   {"name": "windowsformhost"},
-  {"name": "windowsformshost"},
   {"name": "indexed-views"},
   {"name": "indexed-view"},
   {"name": "callout"},
@@ -1932,9 +1703,7 @@
   {"name": "routedevents"},
   {"name": "routed-events"},
   {"name": "routedevent"},
-  {"name": "routed-events"},
   {"name": "log-files"},
-  {"name": "logfile"},
   {"name": "affiliates"},
   {"name": "affiliate"},
   {"name": "routedcommand"},
@@ -1942,11 +1711,9 @@
   {"name": "function-overriding"},
   {"name": "overriding"},
   {"name": "method-overriding"},
-  {"name": "overriding"},
   {"name": "accelerated-mobile-page"},
   {"name": "amp-html"},
   {"name": "google-amp"},
-  {"name": "amp-html"},
   {"name": "nsdatecomponent"},
   {"name": "nsdatecomponents"},
   {"name": "opcodes"},
@@ -1954,7 +1721,6 @@
   {"name": "viewhelper"},
   {"name": "view-helpers"},
   {"name": "touch-events"},
-  {"name": "touch-event"},
   {"name": "invoices"},
   {"name": "invoice"},
   {"name": "nuxt"},
@@ -1976,7 +1742,6 @@
   {"name": "webusercontrols"},
   {"name": "webusercontrol"},
   {"name": "web-user-controls"},
-  {"name": "webusercontrol"},
   {"name": "drives"},
   {"name": "drive"},
   {"name": "captions"},
@@ -1996,7 +1761,6 @@
   {"name": "vsts-api"},
   {"name": "azure-devops-rest-api"},
   {"name": "vsts-restapi"},
-  {"name": "azure-devops-rest-api"},
   {"name": "vsts-package-management"},
   {"name": "azure-artifacts"},
   {"name": "vsts-extension"},
@@ -2072,7 +1836,6 @@
   {"name": "hidden-fields"},
   {"name": "hidden-field"},
   {"name": "hiddenfield"},
-  {"name": "hidden-field"},
   {"name": "accounts"},
   {"name": "account"},
   {"name": "members"},
@@ -2132,13 +1895,11 @@
   {"name": "virtual-hosts"},
   {"name": "virtualhost"},
   {"name": "virtualhosts"},
-  {"name": "virtualhost"},
   {"name": "metatag"},
   {"name": "meta-tags"},
   {"name": "contain"},
   {"name": "contains"},
   {"name": "java.time"},
-  {"name": "java-time"},
   {"name": "helpers"},
   {"name": "helper"},
   {"name": "subviews"},
@@ -2150,7 +1911,6 @@
   {"name": "control-template"},
   {"name": "controltemplate"},
   {"name": "controltemplates"},
-  {"name": "controltemplate"},
   {"name": "targets"},
   {"name": "target"},
   {"name": "relationships"},
@@ -2190,7 +1950,6 @@
   {"name": "parents"},
   {"name": "parent"},
   {"name": "feeds"},
-  {"name": "feed"},
   {"name": "states"},
   {"name": "state"},
   {"name": "elk-stack"},
@@ -2220,7 +1979,6 @@
   {"name": "kr-c"},
   {"name": "kernighan-and-ritchie"},
   {"name": "tensorflow-js"},
-  {"name": "tensorflow.js"},
   {"name": "ports"},
   {"name": "port"},
   {"name": "blobs"},
@@ -2236,7 +1994,6 @@
   {"name": "overlays"},
   {"name": "overlay"},
   {"name": "overrides"},
-  {"name": "overriding"},
   {"name": "versions"},
   {"name": "version"},
   {"name": "labels"},
@@ -2244,13 +2001,10 @@
   {"name": "screens"},
   {"name": "screen"},
   {"name": "scrollbars"},
-  {"name": "scrollbar"},
   {"name": "setting"},
-  {"name": "settings"},
   {"name": "words"},
   {"name": "word"},
   {"name": "form-authentication"},
-  {"name": "forms-authentication"},
   {"name": "chars"},
   {"name": "char"},
   {"name": "formats"},
@@ -2282,15 +2036,12 @@
   {"name": "collapsingtoolbarlayout"},
   {"name": "android-collapsingtoolbarlayout"},
   {"name": "android-collapsingtoolbar"},
-  {"name": "android-collapsingtoolbarlayout"},
   {"name": "ghost"},
   {"name": "ghost-blog"},
   {"name": "numerics"},
   {"name": "numeric"},
   {"name": "numerical"},
-  {"name": "numeric"},
   {"name": "mysqlsh"},
-  {"name": "mysql"},
   {"name": "graphic"},
   {"name": "graphics"},
   {"name": "mws"},
@@ -2300,9 +2051,7 @@
   {"name": "unet"},
   {"name": "unity3d-unet"},
   {"name": "android-p"},
-  {"name": "android-9.0-pie"},
   {"name": "android-pie"},
-  {"name": "android-9.0-pie"},
   {"name": "file-moving"},
   {"name": "file-move"},
   {"name": "analog-digital-converter"},
@@ -2316,23 +2065,18 @@
   {"name": "pwa"},
   {"name": "progressive-web-apps"},
   {"name": "paypal-express"},
-  {"name": "paypal"},
   {"name": "stripe.net"},
   {"name": "stripe-payments"},
   {"name": "stripe-connect"},
-  {"name": "stripe-payments"},
   {"name": "stripe.js"},
-  {"name": "stripe-payments"},
   {"name": "tvp"},
   {"name": "table-valued-parameters"},
   {"name": "firestore-rules"},
-  {"name": "firebase-security"},
   {"name": "function-calls"},
   {"name": "function-call"},
   {"name": "doors"},
   {"name": "ibm-doors"},
   {"name": "dxl"},
-  {"name": "ibm-doors"},
   {"name": "oidc"},
   {"name": "openid-connect"},
   {"name": "aws-sqs"},
@@ -2360,13 +2104,9 @@
   {"name": "elastic-map-reduce"},
   {"name": "amazon-emr"},
   {"name": "emr"},
-  {"name": "amazon-emr"},
   {"name": "convolutional-neural-network"},
-  {"name": "conv-neural-network"},
   {"name": "argument-deduction"},
-  {"name": "template-argument-deduction"},
   {"name": "exception-handling"},
-  {"name": "exception"},
   {"name": "tez"},
   {"name": "apache-tez"},
   {"name": "spark-framework"},
@@ -2376,7 +2116,6 @@
   {"name": "jquery-effects"},
   {"name": "jquery"},
   {"name": "jquery-filter"},
-  {"name": "jquery"},
   {"name": "jquery-multiselect"},
   {"name": "jquery-ui-multiselect"},
   {"name": "cognito"},
@@ -2398,29 +2137,23 @@
   {"name": "factorygirl"},
   {"name": "factory-bot"},
   {"name": "implicits"},
-  {"name": "implicit"},
   {"name": "ifft"},
   {"name": "fft"},
   {"name": "rbindlist"},
   {"name": "data.table"},
   {"name": "memory-order"},
-  {"name": "memory-barriers"},
   {"name": "kafka-streams-scala"},
   {"name": "apache-kafka-streams"},
   {"name": "idiomatic"},
   {"name": "idioms"},
   {"name": "kotlin-generics"},
-  {"name": "generics"},
   {"name": "javax"},
-  {"name": "java"},
   {"name": "posix-api"},
   {"name": "posix"},
   {"name": "prestodb"},
-  {"name": "presto"},
   {"name": "android-wear"},
   {"name": "wear-os"},
   {"name": "wearos"},
-  {"name": "wear-os"},
   {"name": "piping"},
   {"name": "pipe"},
   {"name": "builtin"},
@@ -2434,29 +2167,23 @@
   {"name": "webflow-css"},
   {"name": "webflow"},
   {"name": "webflow-js"},
-  {"name": "webflow"},
   {"name": "watson-conversation"},
   {"name": "watson-assistant"},
   {"name": "gnu-cobol"},
   {"name": "gnucobol"},
   {"name": "opencobol"},
-  {"name": "gnucobol"},
   {"name": "d3v5"},
-  {"name": "d3.js"},
   {"name": "softlayer"},
   {"name": "ibm-cloud-infrastructure"},
   {"name": "binder"},
   {"name": "android-binder"},
   {"name": "aws-ecs"},
-  {"name": "amazon-ecs"},
   {"name": "phpdocumenter"},
   {"name": "phpdoc"},
   {"name": "sql-to-entity-framework"},
   {"name": "entity-framework"},
   {"name": "entity-framework-designer"},
-  {"name": "entity-framework"},
   {"name": "fluent-entity-framework"},
-  {"name": "entity-framework"},
   {"name": "kronos-wfc"},
   {"name": "kronos-workforce-central"},
   {"name": "radius-protocol"},
@@ -2464,7 +2191,6 @@
   {"name": "db2400"},
   {"name": "db2-400"},
   {"name": "ios-autolayout"},
-  {"name": "autolayout"},
   {"name": "linq-query-syntax"},
   {"name": "linq"},
   {"name": "aws-athena"},
@@ -2476,23 +2202,16 @@
   {"name": "mingw64"},
   {"name": "mingw-w64"},
   {"name": "wix.com"},
-  {"name": "velo"},
   {"name": "reasonml"},
   {"name": "reason"},
   {"name": "firebase-security-rules"},
-  {"name": "firebase-security"},
   {"name": "twitter-bootstrap-4"},
-  {"name": "bootstrap-4"},
   {"name": "aspnet-core"},
-  {"name": "asp.net-core"},
   {"name": "q-lang"},
   {"name": "kdb"},
   {"name": "google-python-api"},
-  {"name": "google-api-python-client"},
   {"name": "openjdk"},
-  {"name": "java"},
   {"name": "aws-ses"},
-  {"name": "amazon-ses"},
   {"name": "aws-kms"},
   {"name": "amazon-kms"},
   {"name": "leaflet-r"},
@@ -2546,11 +2265,9 @@
   {"name": "parsexml"},
   {"name": "xml-parsing"},
   {"name": "google-container-engine"},
-  {"name": "google-kubernetes-engine"},
   {"name": "datapicker"},
   {"name": "datepicker"},
   {"name": "factory-girl"},
-  {"name": "factory-bot"},
   {"name": "mayavi-mlab"},
   {"name": "mayavi.mlab"},
   {"name": "mongolab"},
@@ -2558,9 +2275,7 @@
   {"name": "firebase-anonymous-authentication"},
   {"name": "firebase-authentication"},
   {"name": "spring-config"},
-  {"name": "spring"},
   {"name": "aws-redshift"},
-  {"name": "amazon-redshift"},
   {"name": "visual-studio-for-mac"},
   {"name": "visual-studio-mac"},
   {"name": "pythonnet"},
@@ -2568,13 +2283,11 @@
   {"name": "build.gradle.kts"},
   {"name": "gradle-kotlin-dsl"},
   {"name": "jdk1.8.0"},
-  {"name": "java-8"},
   {"name": "scylladb"},
   {"name": "scylla"},
   {"name": "atlassian-bitbucketserver"},
   {"name": "bitbucket-server"},
   {"name": "atlassian-stash"},
-  {"name": "bitbucket-server"},
   {"name": "duckduckgo-search"},
   {"name": "duckduckgo"},
   {"name": "aws-vpc"},
@@ -2582,7 +2295,6 @@
   {"name": "codeigniter-helpers"},
   {"name": "codeigniter"},
   {"name": "codeigniter-hooks"},
-  {"name": "codeigniter"},
   {"name": "amazon-sts"},
   {"name": "aws-sts"},
   {"name": "javaslang"},
@@ -2598,11 +2310,8 @@
   {"name": "unity5"},
   {"name": "unity3d"},
   {"name": "unity3d-5"},
-  {"name": "unity3d"},
   {"name": "vue"},
-  {"name": "vue.js"},
   {"name": "elastic-beanstalk"},
-  {"name": "amazon-elastic-beanstalk"},
   {"name": "firebase-cloud-functions"},
   {"name": "google-cloud-functions"},
   {"name": "bluemix-appid"},
@@ -2612,13 +2321,11 @@
   {"name": "android-arch-lifecycle"},
   {"name": "android-architecture-lifecycle"},
   {"name": "android-arch"},
-  {"name": "android-architecture-components"},
   {"name": "typeconverting"},
   {"name": "type-conversion"},
   {"name": "laravel-5.5"},
   {"name": "laravel-5"},
   {"name": "laravel-5.4"},
-  {"name": "laravel-5"},
   {"name": "dwm-api"},
   {"name": "dwm"},
   {"name": "multiple-definitions"},
@@ -2626,19 +2333,14 @@
   {"name": "link-errors"},
   {"name": "linker-errors"},
   {"name": "linking-errors"},
-  {"name": "linker-errors"},
   {"name": "wsl"},
   {"name": "windows-subsystem-for-linux"},
   {"name": "data-type-conversion"},
-  {"name": "type-conversion"},
   {"name": "xarray"},
   {"name": "python-xarray"},
   {"name": "api.ai"},
-  {"name": "dialogflow-es"},
   {"name": "firebase-cloud-firestore"},
-  {"name": "google-cloud-firestore"},
   {"name": "cloud-firestore"},
-  {"name": "google-cloud-firestore"},
   {"name": "windows-azure-connect"},
   {"name": "azure-connect"},
   {"name": "windows-azure-pack"},
@@ -2646,21 +2348,16 @@
   {"name": "azure-networking"},
   {"name": "azure-virtual-network"},
   {"name": "windows-azure-networking"},
-  {"name": "azure-virtual-network"},
   {"name": "windows-azure-diagnostics"},
   {"name": "azure-diagnostics"},
   {"name": "windows-azure-queues"},
   {"name": "azure-queues"},
   {"name": "firebase-functions"},
-  {"name": "google-cloud-functions"},
   {"name": "firestore"},
-  {"name": "google-cloud-firestore"},
   {"name": "firebase-firestore"},
-  {"name": "google-cloud-firestore"},
   {"name": "ms-application-insights"},
   {"name": "azure-application-insights"},
   {"name": "az-application-insights"},
-  {"name": "azure-application-insights"},
   {"name": "nifi"},
   {"name": "apache-nifi"},
   {"name": "css-custom-properties"},
@@ -2674,47 +2371,35 @@
   {"name": "8087cw"},
   {"name": "x87"},
   {"name": "8087"},
-  {"name": "x87"},
   {"name": "8088"},
   {"name": "x86-16"},
   {"name": "8086"},
-  {"name": "x86-16"},
   {"name": "pc-dos"},
   {"name": "dos"},
   {"name": "freedos"},
-  {"name": "dos"},
   {"name": "ms-dos"},
-  {"name": "dos"},
   {"name": "bs4"},
   {"name": "beautifulsoup"},
   {"name": "drf"},
   {"name": "django-rest-framework"},
   {"name": "openui5"},
-  {"name": "sapui5"},
   {"name": "sapui"},
-  {"name": "sapui5"},
   {"name": "ui5"},
-  {"name": "sapui5"},
   {"name": "rest-api"},
   {"name": "rest"},
   {"name": "xcode8.3.2"},
   {"name": "xcode8"},
   {"name": "xcode8.3.3"},
-  {"name": "xcode8"},
   {"name": "xcode8.3"},
-  {"name": "xcode8"},
   {"name": "sql2016"},
   {"name": "sql-server-2016"},
   {"name": "ef-core"},
-  {"name": "entity-framework-core"},
   {"name": "rmarkdown"},
   {"name": "r-markdown"},
   {"name": "dual-monitor"},
   {"name": "multiple-monitors"},
   {"name": "dual-monitors"},
-  {"name": "multiple-monitors"},
   {"name": "multi-monitor"},
-  {"name": "multiple-monitors"},
   {"name": "rds"},
   {"name": "amazon-rds"},
   {"name": "rails5"},
@@ -2732,7 +2417,6 @@
   {"name": "emulator"},
   {"name": "emulation"},
   {"name": "emulate"},
-  {"name": "emulation"},
   {"name": "parametrized-constructor"},
   {"name": "parameterized-constructor"},
   {"name": "painless"},
@@ -2742,47 +2426,34 @@
   {"name": "mongodb-csharp"},
   {"name": "mongodb-.net-driver"},
   {"name": "mongo-csharp-driver"},
-  {"name": "mongodb-.net-driver"},
   {"name": "mongocsharpdriver"},
-  {"name": "mongodb-.net-driver"},
   {"name": "member-function"},
   {"name": "member-functions"},
   {"name": "eventlistener"},
   {"name": "event-listener"},
   {"name": "event-listeners"},
-  {"name": "event-listener"},
   {"name": "materialize-js"},
   {"name": "materialize"},
   {"name": "materialize-css"},
-  {"name": "materialize"},
   {"name": "materializecss"},
-  {"name": "materialize"},
   {"name": "wsf"},
   {"name": "wsh"},
   {"name": "cscript"},
-  {"name": "wsh"},
   {"name": "wscript"},
-  {"name": "wsh"},
   {"name": "pe"},
   {"name": "portable-executable"},
   {"name": "va-arg"},
   {"name": "variadic-functions"},
   {"name": "va-list"},
-  {"name": "variadic-functions"},
   {"name": "variable-length-arguments"},
-  {"name": "variadic-functions"},
   {"name": "variadic-parameter"},
-  {"name": "variadic-functions"},
   {"name": "onedrive-api"},
   {"name": "onedrive"},
   {"name": "microsoftgraph"},
-  {"name": "microsoft-graph-api"},
   {"name": "subdomains"},
   {"name": "subdomain"},
   {"name": "visual-studio-team-services"},
-  {"name": "azure-devops"},
   {"name": "vs-team-services"},
-  {"name": "azure-devops"},
   {"name": "cryptographichashfunction"},
   {"name": "cryptographic-hash-function"},
   {"name": "azure-directory-b2c"},
@@ -2802,61 +2473,46 @@
   {"name": "charts.js"},
   {"name": "chart.js"},
   {"name": "kafka-streams"},
-  {"name": "apache-kafka-streams"},
   {"name": "tensorflow-gpu"},
   {"name": "tensorflow"},
   {"name": "last-of-type"},
   {"name": "css-selectors"},
   {"name": "first-of-type"},
-  {"name": "css-selectors"},
   {"name": "aws-cognito"},
-  {"name": "amazon-cognito"},
   {"name": "money"},
   {"name": "currency"},
   {"name": "css-flexbox"},
-  {"name": "flexbox"},
   {"name": "dynamodb"},
   {"name": "amazon-dynamodb"},
   {"name": "digest"},
   {"name": "hash"},
   {"name": "quality-center"},
-  {"name": "hp-quality-center"},
   {"name": "camera2"},
   {"name": "android-camera2"},
   {"name": "android.harware.camera2"},
-  {"name": "android-camera2"},
   {"name": "twitter-rest-api"},
   {"name": "twitter"},
   {"name": "jasper"},
   {"name": "jasper-reports"},
   {"name": "unity5.3"},
-  {"name": "unity3d"},
   {"name": "unity2d"},
-  {"name": "unity3d"},
   {"name": "azure-documentdb"},
   {"name": "azure-cosmosdb"},
   {"name": "ms-graph"},
-  {"name": "microsoft-graph-api"},
   {"name": "amazon-cloudwatch-metrics"},
-  {"name": "amazon-cloudwatch"},
   {"name": "slick-js"},
-  {"name": "slick.js"},
   {"name": "slick-carousel"},
-  {"name": "slick.js"},
   {"name": "exchangews"},
   {"name": "exchangewebservices"},
   {"name": "ews"},
-  {"name": "exchangewebservices"},
   {"name": "eventviewer"},
   {"name": "event-viewer"},
   {"name": "huffman-coding"},
   {"name": "huffman-code"},
   {"name": "prepare"},
-  {"name": "prepared-statement"},
   {"name": "vs2017"},
   {"name": "visual-studio-2017"},
   {"name": "string-hashing"},
-  {"name": "hash"},
   {"name": "reddit-api"},
   {"name": "reddit"},
   {"name": "gcp"},
@@ -2866,25 +2522,18 @@
   {"name": "fabric-composer"},
   {"name": "hyperledger-composer"},
   {"name": "stanford-nlp-server"},
-  {"name": "stanford-nlp"},
   {"name": "ipython-notebook"},
   {"name": "jupyter-notebook"},
   {"name": "jquery-hasclass"},
-  {"name": "jquery"},
   {"name": "apache-sqoop"},
   {"name": "sqoop"},
   {"name": "angular1.x"},
   {"name": "angularjs"},
   {"name": "angular4.x"},
-  {"name": "angular"},
   {"name": "angular4"},
-  {"name": "angular"},
   {"name": "angular2"},
-  {"name": "angular"},
   {"name": "hashalgorithm"},
-  {"name": "hash"},
   {"name": "jquery-css"},
-  {"name": "jquery"},
   {"name": "office365-restapi"},
   {"name": "office365api"},
   {"name": "bll"},
@@ -2896,23 +2545,16 @@
   {"name": "css-grids"},
   {"name": "css-grid"},
   {"name": "jquery-find"},
-  {"name": "jquery"},
   {"name": "corenlp-server"},
-  {"name": "stanford-nlp"},
   {"name": "stanford-parser"},
-  {"name": "stanford-nlp"},
   {"name": "swift3.1"},
   {"name": "swift3"},
   {"name": "jquery-post"},
-  {"name": "jquery"},
   {"name": "jquery-get"},
-  {"name": "jquery"},
   {"name": "jquery-callback"},
-  {"name": "jquery"},
   {"name": "espresso"},
   {"name": "android-espresso"},
   {"name": "svg-path"},
-  {"name": "svg"},
   {"name": "skimage"},
   {"name": "scikit-image"},
   {"name": "transactional"},
@@ -2922,7 +2564,6 @@
   {"name": "dotnetnuke-settings"},
   {"name": "dotnetnuke"},
   {"name": "dotnetnuke-module"},
-  {"name": "dotnetnuke"},
   {"name": "http-request"},
   {"name": "httprequest"},
   {"name": "ipp"},
@@ -2934,11 +2575,9 @@
   {"name": "elastic-load-balancer"},
   {"name": "amazon-elb"},
   {"name": "jquery-after"},
-  {"name": "jquery"},
   {"name": "visual-studio-2015-ce"},
   {"name": "visual-studio-2015"},
   {"name": "visual-studio-2015-comm"},
-  {"name": "visual-studio-2015"},
   {"name": "visual-studio-community"},
   {"name": "visual-studio"},
   {"name": "messagepack"},
@@ -2954,7 +2593,6 @@
   {"name": "intel-c++"},
   {"name": "icc"},
   {"name": "icpc"},
-  {"name": "icc"},
   {"name": "pillow"},
   {"name": "python-imaging-library"},
   {"name": "blogspot"},
@@ -2966,17 +2604,13 @@
   {"name": "bash-function"},
   {"name": "bash"},
   {"name": ".bash-profile"},
-  {"name": "bash"},
   {"name": "indesign"},
   {"name": "adobe-indesign"},
   {"name": "removeclass"},
-  {"name": "jquery"},
   {"name": "toggleclass"},
-  {"name": "jquery"},
   {"name": "surefire"},
   {"name": "maven-surefire-plugin"},
   {"name": "css-font-weight"},
-  {"name": "css"},
   {"name": "vue2"},
   {"name": "vuejs2"},
   {"name": "contactscontract"},
@@ -2990,7 +2624,6 @@
   {"name": "cells"},
   {"name": "cell"},
   {"name": "cloudwatch"},
-  {"name": "amazon-cloudwatch"},
   {"name": "interact-js"},
   {"name": "interact.js"},
   {"name": "collisions"},
@@ -3000,9 +2633,7 @@
   {"name": "pugjs"},
   {"name": "pug"},
   {"name": "botconnector"},
-  {"name": "botframework"},
   {"name": "botbuilder"},
-  {"name": "botframework"},
   {"name": "viml"},
   {"name": "vim"},
   {"name": "android-proguard"},
@@ -3014,13 +2645,9 @@
   {"name": "visual-studio-2010-beta-2"},
   {"name": "visual-studio-2010"},
   {"name": "visual-studio-2010-beta-1"},
-  {"name": "visual-studio-2010"},
   {"name": "visual-studio-2010-rc"},
-  {"name": "visual-studio-2010"},
   {"name": "visual-studio-2010-sp1"},
-  {"name": "visual-studio-2010"},
   {"name": "vso-build"},
-  {"name": "azure-pipelines"},
   {"name": "ia64"},
   {"name": "itanium"},
   {"name": "keystone.js"},
@@ -3030,37 +2657,26 @@
   {"name": "laravel-eloquent"},
   {"name": "eloquent"},
   {"name": "php-include"},
-  {"name": "php"},
   {"name": "zookeeper"},
   {"name": "apache-zookeeper"},
   {"name": "addclass"},
-  {"name": "jquery"},
   {"name": "zf3"},
   {"name": "zend-framework3"},
   {"name": "aws-iam"},
-  {"name": "amazon-iam"},
   {"name": "tfs-vnext"},
-  {"name": "azure-pipelines"},
   {"name": "vs2010-express"},
-  {"name": "visual-studio-2010"},
   {"name": "vs-2013-update-2"},
-  {"name": "visual-studio-2013"},
   {"name": "vs2013-update-4"},
-  {"name": "visual-studio-2013"},
   {"name": "exponents"},
   {"name": "exponent"},
   {"name": "websphere-mq"},
   {"name": "ibm-mq"},
   {"name": "mqseries"},
-  {"name": "ibm-mq"},
   {"name": "vs-2015-preview"},
-  {"name": "visual-studio-2015"},
   {"name": "codeigniter-hmvc"},
-  {"name": "codeigniter"},
   {"name": "htl"},
   {"name": "sightly"},
   {"name": "swift3.0.2"},
-  {"name": "swift3"},
   {"name": "insert-into"},
   {"name": "sql-insert"},
   {"name": "smooth"},
@@ -3068,9 +2684,7 @@
   {"name": "princomp"},
   {"name": "pca"},
   {"name": "curvesmoothing"},
-  {"name": "smoothing"},
   {"name": "jade"},
-  {"name": "pug"},
   {"name": "trait"},
   {"name": "traits"},
   {"name": "gorilla-toolkit"},
@@ -3078,37 +2692,27 @@
   {"name": "param"},
   {"name": "parameters"},
   {"name": "params"},
-  {"name": "parameters"},
   {"name": "xcode8.1"},
-  {"name": "xcode8"},
   {"name": "skus"},
   {"name": "sku"},
   {"name": "d3.js-v4"},
-  {"name": "d3.js"},
   {"name": "principal-components"},
-  {"name": "pca"},
   {"name": "web-control"},
   {"name": "web-controls"},
   {"name": "swift3.0.1"},
-  {"name": "swift3"},
   {"name": "highmaps"},
   {"name": "highcharts"},
   {"name": "highstock"},
-  {"name": "highcharts"},
   {"name": "jenkinsfile"},
   {"name": "jenkins-pipeline"},
   {"name": "jenkins-workflow"},
-  {"name": "jenkins-pipeline"},
   {"name": "css-borders"},
-  {"name": "css"},
   {"name": "python-3.5.2"},
   {"name": "python-3.5"},
   {"name": "aws-rds"},
-  {"name": "amazon-rds"},
   {"name": "pkcs12"},
   {"name": "pkcs#12"},
   {"name": "dynamic-css"},
-  {"name": "css"},
   {"name": "mongodb-aggregation"},
   {"name": "aggregation-framework"},
   {"name": "dotnet-core"},
@@ -3118,19 +2722,15 @@
   {"name": "splines"},
   {"name": "spline"},
   {"name": "qstylesheet"},
-  {"name": "qtstylesheets"},
   {"name": "ios2"},
   {"name": "iphone-sdk-2"},
   {"name": "2to3"},
   {"name": "python-2to3"},
   {"name": "py2to3"},
-  {"name": "python-2to3"},
   {"name": "react-jsx"},
-  {"name": "reactjs"},
   {"name": "google-consumer-surveys"},
   {"name": "google-surveys"},
   {"name": "vuejs"},
-  {"name": "vue.js"},
   {"name": "compiler-design"},
   {"name": "compiler-construction"},
   {"name": "oauth2"},
@@ -3146,7 +2746,6 @@
   {"name": "sede"},
   {"name": "dataexplorer"},
   {"name": "ecs"},
-  {"name": "amazon-ecs"},
   {"name": "netflix-feign"},
   {"name": "feign"},
   {"name": "azuread"},
@@ -3160,37 +2759,26 @@
   {"name": "gems"},
   {"name": "rubygems"},
   {"name": "rng"},
-  {"name": "random"},
   {"name": "ood"},
   {"name": "oop"},
   {"name": "object-orientation"},
-  {"name": "oop"},
   {"name": "oo"},
-  {"name": "oop"},
   {"name": "colours"},
   {"name": "colors"},
   {"name": "colour"},
-  {"name": "colors"},
   {"name": "google-maps-api-v3"},
   {"name": "google-maps-api-3"},
   {"name": "ddk"},
   {"name": "wdk"},
   {"name": "table-value-functions"},
-  {"name": "user-defined-functions"},
   {"name": "table-value-function"},
-  {"name": "user-defined-functions"},
   {"name": "table-valued-function"},
-  {"name": "user-defined-functions"},
   {"name": "spring-web"},
-  {"name": "spring-mvc"},
   {"name": "ultragrid"},
   {"name": "ultrawingrid"},
   {"name": "language-integrated-query"},
-  {"name": "linq"},
   {"name": "gawk"},
-  {"name": "awk"},
   {"name": "json-web-token"},
-  {"name": "jwt"},
   {"name": "processingjs"},
   {"name": "processing.js"},
   {"name": "gang-of-four"},
@@ -3198,23 +2786,16 @@
   {"name": "frontcontroller"},
   {"name": "front-controller"},
   {"name": "dotnetcore"},
-  {"name": ".net-core"},
   {"name": "ubuntu-on-windows"},
-  {"name": "windows-subsystem-for-linux"},
   {"name": "windows-bash"},
-  {"name": "windows-subsystem-for-linux"},
   {"name": "laravel-5.3"},
-  {"name": "laravel-5"},
   {"name": "laravel-5.2"},
-  {"name": "laravel-5"},
   {"name": "jsonobject"},
   {"name": "json"},
   {"name": "sourcetree"},
   {"name": "atlassian-sourcetree"},
   {"name": "pixi"},
-  {"name": "pixi.js"},
   {"name": "bytearray"},
-  {"name": "arrays"},
   {"name": "jdt"},
   {"name": "eclipse-jdt"},
   {"name": "dragon-naturallyspeaking"},
@@ -3222,7 +2803,6 @@
   {"name": "apache-hive"},
   {"name": "hive"},
   {"name": "oraclejdk"},
-  {"name": "java"},
   {"name": "javax.ws.rs"},
   {"name": "jax-rs"},
   {"name": "realm-net"},
@@ -3232,13 +2812,9 @@
   {"name": "execution-plan"},
   {"name": "sql-execution-plan"},
   {"name": "query-plan"},
-  {"name": "sql-execution-plan"},
   {"name": "query-execution-plans"},
-  {"name": "sql-execution-plan"},
   {"name": "explain-plan"},
-  {"name": "sql-execution-plan"},
   {"name": "query-plans"},
-  {"name": "sql-execution-plan"},
   {"name": "jquery-accordion"},
   {"name": "jquery-ui-accordion"},
   {"name": "jquery-ui-menubar"},
@@ -3272,7 +2848,6 @@
   {"name": "jquery-draggable"},
   {"name": "jquery-ui-draggable"},
   {"name": "d3v4"},
-  {"name": "d3.js"},
   {"name": "url-redirection"},
   {"name": "redirect"},
   {"name": "sql-azure"},
@@ -3282,45 +2857,34 @@
   {"name": "itextsharp"},
   {"name": "itext"},
   {"name": "mysqldump"},
-  {"name": "mysql"},
   {"name": "static-array"},
-  {"name": "arrays"},
   {"name": "windows-phone-10"},
   {"name": "windows-10-mobile"},
   {"name": "cloudformation"},
-  {"name": "amazon-cloudformation"},
   {"name": "cortana-analytics"},
   {"name": "cortana-intelligence"},
   {"name": "mobilefirst"},
   {"name": "ibm-mobilefirst"},
   {"name": "bluemix"},
-  {"name": "ibm-cloud"},
   {"name": "ibm-watson-cognitive"},
-  {"name": "ibm-watson"},
   {"name": "deeplink"},
   {"name": "deep-linking"},
   {"name": "google-protobuf"},
   {"name": "protocol-buffers"},
   {"name": "corenlp"},
-  {"name": "stanford-nlp"},
   {"name": "random-sample"},
-  {"name": "random"},
   {"name": "ecommerce"},
   {"name": "e-commerce"},
   {"name": "restful-architecture"},
-  {"name": "rest"},
   {"name": "tcp-ip"},
   {"name": "tcp"},
   {"name": "date-sorting"},
   {"name": "sorting"},
   {"name": "swift3.0"},
-  {"name": "swift3"},
   {"name": "sorted"},
-  {"name": "sorting"},
   {"name": "amazonapi"},
   {"name": "amazon-api"},
   {"name": "swift2.2.1"},
-  {"name": "swift2"},
   {"name": "gulp.watch"},
   {"name": "gulp-watch"},
   {"name": "fabric-twitter"},
@@ -3328,47 +2892,36 @@
   {"name": "ansible-playbook"},
   {"name": "ansible"},
   {"name": "swift2.2"},
-  {"name": "swift2"},
   {"name": "unity"},
-  {"name": "unity3d"},
   {"name": "ble"},
   {"name": "bluetooth-lowenergy"},
   {"name": "inline-if"},
   {"name": "conditional-operator"},
   {"name": "visual-studio-online"},
-  {"name": "azure-devops"},
   {"name": "odr"},
   {"name": "one-definition-rule"},
   {"name": "onedefinitionrule"},
-  {"name": "one-definition-rule"},
   {"name": "vertx3"},
   {"name": "vert.x"},
   {"name": "vertx"},
-  {"name": "vert.x"},
   {"name": "vertx.io"},
-  {"name": "vert.x"},
   {"name": "spring-junit"},
   {"name": "spring-test"},
   {"name": "python-xray"},
-  {"name": "python-xarray"},
   {"name": "intellij-2016.1"},
   {"name": "intellij-idea"},
   {"name": "mvc-core"},
   {"name": "asp.net-core-mvc"},
   {"name": "data.frame"},
-  {"name": "dataframe"},
   {"name": "packages"},
   {"name": "package"},
   {"name": "realm-cocoa"},
-  {"name": "realm"},
   {"name": "android-realm"},
-  {"name": "realm"},
   {"name": "project-oxford"},
   {"name": "microsoft-cognitive"},
   {"name": "azure-arm"},
   {"name": "azure-resource-manager"},
   {"name": "realmswift"},
-  {"name": "realm"},
   {"name": "source-to-source"},
   {"name": "transpiler"},
   {"name": "simplexml-load-string"},
@@ -3384,7 +2937,6 @@
   {"name": "es6-harmony"},
   {"name": "ecmascript-6"},
   {"name": "d3js"},
-  {"name": "d3.js"},
   {"name": "bootstrap-framework"},
   {"name": "twitter-bootstrap"},
   {"name": "azure-mobile-app"},
@@ -3406,49 +2958,36 @@
   {"name": "appc-studio"},
   {"name": "appcelerator-studio"},
   {"name": "db2i"},
-  {"name": "db2-400"},
   {"name": "sscanf"},
   {"name": "scanf"},
   {"name": "fscanf"},
-  {"name": "scanf"},
   {"name": "appc-ti"},
   {"name": "appcelerator-titanium"},
   {"name": "recyclerview-layout"},
-  {"name": "android-recyclerview"},
   {"name": "testdrivendesign"},
   {"name": "tdd"},
   {"name": "android-framework"},
   {"name": "android"},
   {"name": "java-persistence-api"},
-  {"name": "jpa"},
   {"name": "asp.net-vnext"},
-  {"name": "asp.net-core"},
   {"name": "entity-framework-7"},
-  {"name": "entity-framework-core"},
   {"name": "asp.net-mvc-6"},
-  {"name": "asp.net-core-mvc"},
   {"name": "asp.net-5"},
-  {"name": "asp.net-core"},
   {"name": "def"},
   {"name": "function"},
   {"name": "universal-time"},
-  {"name": "utc"},
   {"name": "wpdb"},
   {"name": "wordpress"},
   {"name": "crontab"},
   {"name": "cron"},
   {"name": "wordpress-plugin"},
-  {"name": "wordpress"},
   {"name": "globbing"},
   {"name": "glob"},
   {"name": "text-analysis"},
-  {"name": "nlp"},
   {"name": "jrxml"},
-  {"name": "jasper-reports"},
   {"name": "select2"},
   {"name": "jquery-select2"},
   {"name": "phtml"},
-  {"name": "php"},
   {"name": "case-expression"},
   {"name": "case"},
   {"name": "true-type-fonts"},
@@ -3458,7 +2997,6 @@
   {"name": "dialogue"},
   {"name": "dialog"},
   {"name": "jasperprint"},
-  {"name": "jasper-reports"},
   {"name": "laravel-paginate"},
   {"name": "laravel-pagination"},
   {"name": "function-template"},
@@ -3468,19 +3006,13 @@
   {"name": "u-law"},
   {"name": "mu-law"},
   {"name": "es2015"},
-  {"name": "ecmascript-6"},
   {"name": "swift2.1"},
-  {"name": "swift2"},
   {"name": "repeating"},
-  {"name": "repeat"},
   {"name": "svgz"},
-  {"name": "svg"},
   {"name": "accented-strings"},
   {"name": "non-ascii-characters"},
   {"name": "non-ascii-chars"},
-  {"name": "non-ascii-characters"},
   {"name": "ia-32"},
-  {"name": "x86"},
   {"name": "f#-make"},
   {"name": "f#-fake"},
   {"name": "android-avd"},
@@ -3496,21 +3028,17 @@
   {"name": "elastic"},
   {"name": "elasticsearch"},
   {"name": "javascript-module"},
-  {"name": "javascript"},
   {"name": "vanilla-javascript"},
-  {"name": "javascript"},
   {"name": "locals"},
   {"name": "local-variables"},
   {"name": "gh-pages"},
   {"name": "github-pages"},
   {"name": "ecmascript-2015"},
-  {"name": "ecmascript-6"},
   {"name": "google-recaptcha"},
   {"name": "recaptcha"},
   {"name": "bezier-curve"},
   {"name": "bezier"},
   {"name": "function-overloading"},
-  {"name": "overloading"},
   {"name": "xamarin-forms"},
   {"name": "xamarin.forms"},
   {"name": "jointable"},
@@ -3522,7 +3050,6 @@
   {"name": "agile-central"},
   {"name": "rally"},
   {"name": "ca-ac"},
-  {"name": "rally"},
   {"name": "storm"},
   {"name": "apache-storm"},
   {"name": "make"},
@@ -3544,33 +3071,25 @@
   {"name": "gst"},
   {"name": "gstreamer"},
   {"name": "spark-dataframe"},
-  {"name": "apache-spark-sql"},
   {"name": "flink"},
   {"name": "apache-flink"},
   {"name": "basemap"},
   {"name": "matplotlib-basemap"},
   {"name": "entity-framework-mapping"},
-  {"name": "entity-framework"},
   {"name": "multipart-form"},
   {"name": "multipartform-data"},
   {"name": "byte-order"},
   {"name": "endianness"},
   {"name": "big-endian"},
-  {"name": "endianness"},
   {"name": "little-endian"},
-  {"name": "endianness"},
   {"name": "override"},
-  {"name": "overriding"},
   {"name": "acf"},
   {"name": "advanced-custom-fields"},
   {"name": "application-singleton"},
   {"name": "singleton"},
   {"name": "singleton-methods"},
-  {"name": "singleton"},
   {"name": "fab"},
-  {"name": "floating-action-button"},
   {"name": "swift-array"},
-  {"name": "arrays"},
   {"name": "aarch64"},
   {"name": "arm64"},
   {"name": "universal-reference"},
@@ -3582,19 +3101,14 @@
   {"name": "google-wallet"},
   {"name": "android-pay"},
   {"name": "wordpress-theme-customize"},
-  {"name": "wordpress"},
   {"name": "css-reset"},
-  {"name": "css"},
   {"name": "wp-query"},
-  {"name": "wordpress"},
   {"name": "android-marshmallow"},
   {"name": "android-6.0-marshmallow"},
   {"name": "android-m"},
-  {"name": "android-6.0-marshmallow"},
   {"name": "flash-ide"},
   {"name": "flash"},
   {"name": "flash-player"},
-  {"name": "flash"},
   {"name": "tsv"},
   {"name": "csv"},
   {"name": "aws-command-line"},
@@ -3604,7 +3118,6 @@
   {"name": "ptr"},
   {"name": "pointers"},
   {"name": "worklight"},
-  {"name": "ibm-mobilefirst"},
   {"name": "waterline.js"},
   {"name": "waterline"},
   {"name": "date-calculation"},
@@ -3616,7 +3129,6 @@
   {"name": "aspnet-identity"},
   {"name": "asp.net-identity"},
   {"name": "recyclerview"},
-  {"name": "android-recyclerview"},
   {"name": "vfp"},
   {"name": "visual-foxpro"},
   {"name": "webdriverjs"},
@@ -3626,27 +3138,18 @@
   {"name": "pkcs7"},
   {"name": "pkcs#7"},
   {"name": "data-validation"},
-  {"name": "validation"},
   {"name": "css-menu"},
-  {"name": "css"},
   {"name": "interpolate"},
   {"name": "interpolation"},
   {"name": "lmer"},
   {"name": "lme4"},
   {"name": "aurelia-templating-router"},
-  {"name": "aurelia"},
   {"name": "aurelia-event-aggregator"},
-  {"name": "aurelia"},
   {"name": "aurelia-validation"},
-  {"name": "aurelia"},
   {"name": "aurelia-router"},
-  {"name": "aurelia"},
   {"name": "aurelia-navigation"},
-  {"name": "aurelia"},
   {"name": "aurelia-binding"},
-  {"name": "aurelia"},
   {"name": "spark-sql"},
-  {"name": "apache-spark-sql"},
   {"name": "m-file"},
   {"name": "matlab"},
   {"name": "pdfviewer"},
@@ -3666,7 +3169,6 @@
   {"name": "android-gcm"},
   {"name": "google-cloud-messaging"},
   {"name": "gcm"},
-  {"name": "google-cloud-messaging"},
   {"name": "kafka"},
   {"name": "apache-kafka"},
   {"name": "muc"},
@@ -3676,7 +3178,6 @@
   {"name": "jump-lists"},
   {"name": "jump-list"},
   {"name": "vs2015"},
-  {"name": "visual-studio-2015"},
   {"name": "semver"},
   {"name": "semantic-versioning"},
   {"name": "privatekey"},
@@ -3684,21 +3185,16 @@
   {"name": "vscode"},
   {"name": "visual-studio-code"},
   {"name": "cocoon"},
-  {"name": "apache-cocoon"},
   {"name": "webpagescraping"},
   {"name": "web-scraping"},
   {"name": "scraper"},
-  {"name": "web-scraping"},
   {"name": "codeigniter-pagination"},
-  {"name": "codeigniter"},
   {"name": "codeigniter-activerecord"},
-  {"name": "codeigniter"},
   {"name": "substitute"},
   {"name": "substitution"},
   {"name": "plunkr"},
   {"name": "plunker"},
   {"name": "dialogbox"},
-  {"name": "dialog"},
   {"name": "ionic"},
   {"name": "ionic-framework"},
   {"name": "es7"},
@@ -3712,7 +3208,6 @@
   {"name": "activerecord-relation"},
   {"name": "activerecord"},
   {"name": "active-record-query"},
-  {"name": "activerecord"},
   {"name": "env"},
   {"name": "environment-variables"},
   {"name": "c3"},
@@ -3720,25 +3215,19 @@
   {"name": "lubuntu"},
   {"name": "ubuntu"},
   {"name": "kubuntu"},
-  {"name": "ubuntu"},
   {"name": "xubuntu"},
-  {"name": "ubuntu"},
   {"name": "angles"},
   {"name": "angle"},
   {"name": "fedex-shipping"},
   {"name": "fedex"},
   {"name": "fedex-api"},
-  {"name": "fedex"},
   {"name": "laravel-5.1"},
-  {"name": "laravel-5"},
   {"name": "entity-framework-6.1"},
   {"name": "entity-framework-6"},
   {"name": "swift2.0"},
-  {"name": "swift2"},
   {"name": "angularjs-promise"},
   {"name": "angular-promise"},
   {"name": "redirecting"},
-  {"name": "redirect"},
   {"name": "timezoneoffset"},
   {"name": "timezone"},
   {"name": "lpsolveapi"},
@@ -3746,57 +3235,38 @@
   {"name": "ignore-duplicates"},
   {"name": "duplicates"},
   {"name": "duplicate-detection"},
-  {"name": "duplicates"},
   {"name": "duplicate-content"},
-  {"name": "duplicates"},
   {"name": "no-duplicates"},
-  {"name": "duplicates"},
   {"name": "deduplication"},
-  {"name": "duplicates"},
   {"name": "duplication"},
-  {"name": "duplicates"},
   {"name": "duplicate-data"},
-  {"name": "duplicates"},
   {"name": "duplicate-removal"},
-  {"name": "duplicates"},
   {"name": "prng"},
-  {"name": "random"},
   {"name": "optimizer"},
   {"name": "optimization"},
   {"name": "hashes"},
-  {"name": "hash"},
   {"name": "google-api-oauth"},
-  {"name": "google-oauth"},
   {"name": "openerp-8"},
   {"name": "odoo-8"},
   {"name": "chartjs"},
-  {"name": "chart.js"},
   {"name": "fixture"},
   {"name": "fixtures"},
   {"name": ".net-async-await"},
   {"name": "async-await"},
   {"name": "codeigniter-validation"},
-  {"name": "codeigniter"},
   {"name": "codeigniter-form-helper"},
-  {"name": "codeigniter"},
   {"name": "codeigniter-routing"},
-  {"name": "codeigniter"},
   {"name": "codeigniter-url"},
-  {"name": "codeigniter"},
   {"name": "declarations"},
   {"name": "declaration"},
   {"name": "concurrency-violation"},
-  {"name": "concurrency"},
   {"name": "javascript-runtime"},
-  {"name": "javascript"},
   {"name": "apache-jena"},
   {"name": "jena"},
   {"name": "mlint"},
-  {"name": "matlab"},
   {"name": "quartus-ii"},
   {"name": "quartus"},
   {"name": "php-fpm"},
-  {"name": "php"},
   {"name": "uidynamics"},
   {"name": "uikit-dynamics"},
   {"name": "xml-file"},
@@ -3806,29 +3276,21 @@
   {"name": "routing"},
   {"name": "routes"},
   {"name": "custom-routes"},
-  {"name": "routes"},
   {"name": "react"},
-  {"name": "reactjs"},
   {"name": "azure-app-service"},
-  {"name": "azure-web-app-service"},
   {"name": "infix"},
   {"name": "infix-notation"},
   {"name": "realm.io"},
-  {"name": "realm"},
   {"name": "habtm"},
   {"name": "has-and-belongs-to-many"},
   {"name": "iads"},
   {"name": "iad"},
   {"name": "jquery-live"},
-  {"name": "jquery"},
   {"name": "tableviewcell"},
-  {"name": "uitableview"},
   {"name": "shellscript"},
-  {"name": "shell"},
   {"name": "angularjs-ui-router"},
   {"name": "angular-ui-router"},
   {"name": "jquery-core"},
-  {"name": "jquery"},
   {"name": "dialects"},
   {"name": "dialect"},
   {"name": "nw.js"},
@@ -3836,19 +3298,15 @@
   {"name": "uriencoding"},
   {"name": "urlencode"},
   {"name": "percent-encoding"},
-  {"name": "urlencode"},
   {"name": "deciphering"},
   {"name": "encryption"},
   {"name": "javascript-library"},
-  {"name": "javascript"},
   {"name": "java-generics"},
-  {"name": "generics"},
   {"name": "foreign-key-relationship"},
   {"name": "foreign-keys"},
   {"name": "swift1.2"},
   {"name": "swift"},
   {"name": "dir"},
-  {"name": "directory"},
   {"name": "sails"},
   {"name": "sails.js"},
   {"name": "column-store-index"},
@@ -3856,11 +3314,8 @@
   {"name": "yield-keyword"},
   {"name": "yield"},
   {"name": "cljx"},
-  {"name": "clojure"},
   {"name": "swift-generics"},
-  {"name": "generics"},
   {"name": "font-weight"},
-  {"name": "css"},
   {"name": "asymptotic-complexity"},
   {"name": "complexity-theory"},
   {"name": "formulas"},
@@ -3868,7 +3323,6 @@
   {"name": "big-theta"},
   {"name": "big-o"},
   {"name": "azure-web-apps"},
-  {"name": "azure-web-app-service"},
   {"name": "uber"},
   {"name": "uber-api"},
   {"name": "videojs"},
@@ -3876,63 +3330,46 @@
   {"name": "excel-macro"},
   {"name": "excel"},
   {"name": "elixir-lang"},
-  {"name": "elixir"},
   {"name": "ace.js"},
   {"name": "ace-editor"},
   {"name": "character-arrays"},
-  {"name": "arrays"},
   {"name": "sub-arrays"},
-  {"name": "arrays"},
   {"name": "empty-string"},
   {"name": "string"},
   {"name": "mysqlclient"},
-  {"name": "mysql"},
   {"name": "mysqld"},
-  {"name": "mysql"},
   {"name": "stackoverflowexception"},
   {"name": "stack-overflow"},
   {"name": "stackoverflowerror"},
-  {"name": "stack-overflow"},
   {"name": "css-box-model"},
-  {"name": "css"},
   {"name": "dust.js-linkedin"},
   {"name": "dust.js"},
   {"name": "android-ui"},
-  {"name": "android"},
   {"name": "stackoverflow-api"},
   {"name": "stackexchange-api"},
   {"name": "css-combinators"},
-  {"name": "css-selectors"},
   {"name": "intellij-idea-14"},
   {"name": "intellij-14"},
   {"name": "cstring"},
   {"name": "c-strings"},
   {"name": "ilist"},
-  {"name": "list"},
   {"name": "directories"},
-  {"name": "directory"},
   {"name": "inline-block"},
-  {"name": "css"},
   {"name": "unittest"},
   {"name": "unit-testing"},
   {"name": "uri-scheme"},
   {"name": "url-scheme"},
   {"name": "url-protocol"},
-  {"name": "url-scheme"},
   {"name": "x.509"},
   {"name": "x509"},
   {"name": "webservlet"},
   {"name": "servlets"},
   {"name": "google-cloud"},
-  {"name": "google-cloud-platform"},
   {"name": "qt-stylesheet"},
-  {"name": "qtstylesheets"},
   {"name": "alternate-stylesheets"},
-  {"name": "css"},
   {"name": "java-util-scanner"},
   {"name": "java.util.scanner"},
   {"name": "meteorjs"},
-  {"name": "meteor"},
   {"name": "scalajs"},
   {"name": "scala.js"},
   {"name": "office365-addin"},
@@ -3942,7 +3379,6 @@
   {"name": "alphablend"},
   {"name": "alphablending"},
   {"name": "audio-playing"},
-  {"name": "audio-player"},
   {"name": ".net-4.5.3"},
   {"name": ".net-4.6"},
   {"name": "select-tag"},
@@ -3954,9 +3390,7 @@
   {"name": "quaternion"},
   {"name": "quaternions"},
   {"name": "mongodb-arrays"},
-  {"name": "arrays"},
   {"name": "nth-of-type"},
-  {"name": "css-selectors"},
   {"name": "urlmappings"},
   {"name": "url-mapping"},
   {"name": "reverse-polish-notation"},
@@ -3970,7 +3404,6 @@
   {"name": "macros-vba"},
   {"name": "vba"},
   {"name": "vba-macros"},
-  {"name": "vba"},
   {"name": "amazon-lambda"},
   {"name": "aws-lambda"},
   {"name": "sequelize"},
@@ -3980,11 +3413,9 @@
   {"name": "django-imagefield"},
   {"name": "django-models"},
   {"name": "django-fields"},
-  {"name": "django-models"},
   {"name": "django-template-tags"},
   {"name": "django-templates"},
   {"name": "django-many-to-many"},
-  {"name": "django-orm"},
   {"name": "nivo"},
   {"name": "nivo-slider"},
   {"name": "scratch"},
@@ -3996,39 +3427,30 @@
   {"name": "gae-datastore"},
   {"name": "google-cloud-datastore"},
   {"name": "google-datastore"},
-  {"name": "google-cloud-datastore"},
   {"name": "string-slice"},
   {"name": "slice"},
   {"name": "slices"},
-  {"name": "slice"},
   {"name": "array-slice"},
-  {"name": "slice"},
   {"name": "apache-jmeter"},
   {"name": "jmeter"},
   {"name": "passportjs"},
   {"name": "passport.js"},
   {"name": "slicing"},
-  {"name": "slice"},
   {"name": "reactive-extensions-js"},
   {"name": "rxjs"},
   {"name": "queryset"},
   {"name": "django-queryset"},
   {"name": "wordpress-permission"},
-  {"name": "wordpress"},
   {"name": "binary-number"},
   {"name": "binary"},
   {"name": "binary-system"},
-  {"name": "binary"},
   {"name": "order-by"},
   {"name": "sql-order-by"},
   {"name": "osx-yosemite10.10"},
-  {"name": "osx-yosemite"},
   {"name": "css-sibling"},
-  {"name": "css-selectors"},
   {"name": "group-by-all"},
   {"name": "group-by"},
   {"name": "group-by-time-interval"},
-  {"name": "group-by"},
   {"name": "call-by-reference"},
   {"name": "pass-by-reference"},
   {"name": "ssms-2008"},
@@ -4042,15 +3464,11 @@
   {"name": "r-language"},
   {"name": "r"},
   {"name": "nokia-maps"},
-  {"name": "here-api"},
   {"name": "qt-layout"},
   {"name": "qlayout"},
   {"name": "chef-recipe"},
-  {"name": "chef-infra"},
   {"name": "chef-solo"},
-  {"name": "chef-infra"},
   {"name": "chefdk"},
-  {"name": "chef-infra"},
   {"name": "windows-azure-storage"},
   {"name": "azure-storage"},
   {"name": "flask-blueprint"},
@@ -4060,19 +3478,13 @@
   {"name": "spamming"},
   {"name": "spam-prevention"},
   {"name": "antispam"},
-  {"name": "spam-prevention"},
   {"name": "spam-blocking"},
-  {"name": "spam-prevention"},
   {"name": "spam-detection"},
-  {"name": "spam-prevention"},
   {"name": "spam-filtering"},
-  {"name": "spam-prevention"},
   {"name": "java-asm"},
   {"name": "java-bytecode-asm"},
   {"name": "es6"},
-  {"name": "ecmascript-6"},
   {"name": "encrypted"},
-  {"name": "encryption"},
   {"name": "facebook-sdk-ios"},
   {"name": "facebook"},
   {"name": "nc"},
@@ -4092,33 +3504,25 @@
   {"name": "slow-load"},
   {"name": "performance"},
   {"name": "opscode"},
-  {"name": "chef-infra"},
   {"name": "sql-triggers"},
-  {"name": "triggers"},
   {"name": "csrf-protection"},
   {"name": "csrf"},
   {"name": "ibm-db2"},
   {"name": "db2"},
   {"name": "guava-collections"},
-  {"name": "guava"},
   {"name": "css-overflow"},
-  {"name": "css"},
   {"name": "2d-array"},
   {"name": "multidimensional-array"},
   {"name": "3d-array"},
-  {"name": "multidimensional-array"},
   {"name": ".net-4.5.2"},
   {"name": ".net-4.5"},
   {"name": "weemo"},
   {"name": "sightcall"},
   {"name": "paypal-sdk"},
-  {"name": "paypal"},
   {"name": "android-application"},
-  {"name": "android"},
   {"name": "login"},
   {"name": "authentication"},
   {"name": "data-encryption"},
-  {"name": "encryption"},
   {"name": "if-condition"},
   {"name": "if-statement"},
   {"name": "stringformat"},
@@ -4132,73 +3536,47 @@
   {"name": "metal-framework"},
   {"name": "metal"},
   {"name": "apple-metal"},
-  {"name": "metal"},
   {"name": "sprites"},
   {"name": "sprite"},
   {"name": "tempfile"},
   {"name": "temporary-files"},
   {"name": "tmpfile"},
-  {"name": "temporary-files"},
   {"name": "comboboxes"},
   {"name": "combobox"},
   {"name": "nth-child"},
-  {"name": "css-selectors"},
   {"name": "first-child"},
-  {"name": "css-selectors"},
   {"name": "last-child"},
-  {"name": "css-selectors"},
   {"name": ".net-4.5.1"},
-  {"name": ".net-4.5"},
   {"name": "fortify-software"},
   {"name": "fortify"},
   {"name": "fortify360"},
-  {"name": "fortify"},
   {"name": "amchart"},
   {"name": "amcharts"},
   {"name": "wordpress-widget"},
-  {"name": "wordpress"},
   {"name": "wordpress-filter"},
-  {"name": "wordpress"},
   {"name": "wordpress-mu"},
-  {"name": "wordpress"},
   {"name": "wordpress-plugin-dev"},
-  {"name": "wordpress"},
   {"name": "wordpress-loop"},
-  {"name": "wordpress"},
   {"name": "outlook-express"},
   {"name": "outlook"},
   {"name": "char-array"},
-  {"name": "arrays"},
   {"name": "string-array"},
-  {"name": "arrays"},
   {"name": "jsonarray"},
-  {"name": "arrays"},
   {"name": "ndarray"},
-  {"name": "multidimensional-array"},
   {"name": "rectangular-arrays"},
-  {"name": "multidimensional-array"},
   {"name": "nested-array"},
-  {"name": "multidimensional-array"},
   {"name": "validator"},
-  {"name": "validation"},
   {"name": "css-line-height"},
-  {"name": "css"},
   {"name": "android-l"},
-  {"name": "android-5.0-lollipop"},
   {"name": "lookahead"},
   {"name": "regex-lookarounds"},
   {"name": "negative-lookahead"},
-  {"name": "regex-lookarounds"},
   {"name": "matlab-toolbox"},
-  {"name": "matlab"},
   {"name": "lookaround"},
-  {"name": "regex-lookarounds"},
   {"name": "ko.observablearray"},
   {"name": "knockout.js"},
   {"name": "google-drive-sdk"},
-  {"name": "google-drive-api"},
   {"name": "huffman"},
-  {"name": "huffman-code"},
   {"name": "outer"},
   {"name": "outer-join"},
   {"name": "apache-regexp"},
@@ -4208,23 +3586,18 @@
   {"name": "highlighting"},
   {"name": "highlight"},
   {"name": "installing"},
-  {"name": "installation"},
   {"name": "setup"},
-  {"name": "installation"},
   {"name": "vso"},
-  {"name": "azure-devops"},
   {"name": "fire-tv"},
   {"name": "amazon-fire-tv"},
   {"name": "spark"},
   {"name": "apache-spark"},
   {"name": "google-spreadsheet"},
-  {"name": "google-sheets"},
   {"name": "schema-design"},
   {"name": "database-design"},
   {"name": "renaming"},
   {"name": "rename"},
   {"name": "jdk1.8"},
-  {"name": "java-8"},
   {"name": "cmd-script"},
   {"name": "batch-file"},
   {"name": "bing-maps-api"},
@@ -4248,31 +3621,25 @@
   {"name": "ink-file-picker"},
   {"name": "filepicker.io"},
   {"name": "code-efficiency"},
-  {"name": "performance"},
   {"name": "ruby-on-rails-4-1"},
   {"name": "ruby-on-rails-4.1"},
   {"name": "data-definition-language"},
   {"name": "ddl"},
   {"name": "lambda-functions"},
-  {"name": "lambda"},
   {"name": "builtins"},
-  {"name": "built-in"},
   {"name": "build-process"},
   {"name": "build"},
   {"name": "c++1y"},
   {"name": "c++14"},
   {"name": "java-libraries"},
-  {"name": "java"},
   {"name": "keyvaluepair"},
   {"name": "key-value"},
   {"name": "ef6"},
-  {"name": "entity-framework-6"},
   {"name": "static-class"},
   {"name": "static-classes"},
   {"name": "submodules"},
   {"name": "git-submodules"},
   {"name": "submodule"},
-  {"name": "git-submodules"},
   {"name": "fsharp.data"},
   {"name": "f#-data"},
   {"name": ".wav"},
@@ -4292,35 +3659,25 @@
   {"name": "msp"},
   {"name": "msi-patch"},
   {"name": "round"},
-  {"name": "rounding"},
   {"name": "xcode6-beta4"},
   {"name": "xcode6"},
   {"name": "dojo-require"},
   {"name": "dojo"},
   {"name": "dojo.stateful"},
-  {"name": "dojo"},
   {"name": "dojo-layer"},
-  {"name": "dojo"},
   {"name": "dojo-store"},
-  {"name": "dojo"},
   {"name": "dojo.data"},
-  {"name": "dojo"},
   {"name": "xcode6-beta3"},
-  {"name": "xcode6"},
   {"name": "windows-universal"},
   {"name": "win-universal-app"},
   {"name": "sheets"},
-  {"name": "google-sheets"},
   {"name": "ibm-notes"},
   {"name": "lotus-notes"},
   {"name": "day-cq"},
-  {"name": "aem"},
   {"name": "windowmanager"},
   {"name": "window-managers"},
   {"name": "certificates"},
-  {"name": "certificate"},
   {"name": "varargs"},
-  {"name": "variadic-functions"},
   {"name": "thread-safe"},
   {"name": "thread-safety"},
   {"name": "android-compat-lib"},
@@ -4328,9 +3685,7 @@
   {"name": "karaf"},
   {"name": "apache-karaf"},
   {"name": "route"},
-  {"name": "routes"},
   {"name": "csharp"},
-  {"name": "c#"},
   {"name": "progress-database"},
   {"name": "progress-db"},
   {"name": "c90"},
@@ -4338,19 +3693,15 @@
   {"name": "software-as-a-service"},
   {"name": "saas"},
   {"name": "if-clause"},
-  {"name": "if-statement"},
   {"name": "ruby-ext"},
   {"name": "ruby-c-extension"},
   {"name": "ruby-extension"},
-  {"name": "ruby-c-extension"},
   {"name": "ruby-c-api"},
-  {"name": "ruby-c-extension"},
   {"name": "nancyfx"},
   {"name": "nancy"},
   {"name": "gameloop"},
   {"name": "game-loop"},
   {"name": "compressed"},
-  {"name": "compression"},
   {"name": "halt"},
   {"name": "exit"},
   {"name": "post-request"},
@@ -4358,65 +3709,43 @@
   {"name": "signal-slot"},
   {"name": "signals-slots"},
   {"name": "numberformat"},
-  {"name": "number-formatting"},
   {"name": "aspnet-mvc"},
   {"name": "asp.net-mvc"},
   {"name": "aspnet.mvc"},
-  {"name": "asp.net-mvc"},
   {"name": "angular.js"},
-  {"name": "angularjs"},
   {"name": "stellarjs"},
   {"name": "stellar.js"},
   {"name": "nsdocumentsdirectory"},
   {"name": "nsdocumentdirectory"},
   {"name": "protobufs"},
-  {"name": "protocol-buffers"},
   {"name": "uitableviewcontroller"},
-  {"name": "uitableview"},
   {"name": "uitableviewstylegrouped"},
-  {"name": "uitableview"},
   {"name": "uitableview-section"},
-  {"name": "uitableview"},
   {"name": "uitableviewfooter"},
-  {"name": "uitableview"},
   {"name": "uitableviewheader"},
-  {"name": "uitableview"},
   {"name": "uitableviewdelegate"},
-  {"name": "uitableview"},
   {"name": "uitableviewdatasource"},
-  {"name": "uitableview"},
   {"name": "uitableviewstyle"},
-  {"name": "uitableview"},
   {"name": "uitableviewcellstylevalue"},
-  {"name": "uitableview"},
   {"name": "uitableviewcellaccessory"},
-  {"name": "uitableview"},
   {"name": "uitableviewcell"},
-  {"name": "uitableview"},
   {"name": "cross-compile"},
   {"name": "cross-compiling"},
   {"name": "x-window"},
-  {"name": "x11"},
   {"name": "ring-buffer"},
   {"name": "circular-buffer"},
   {"name": "xcode-playground"},
   {"name": "swift-playground"},
   {"name": "javascript-disabled"},
-  {"name": "javascript"},
   {"name": "breeze#"},
   {"name": "breeze-sharp"},
   {"name": "output-files"},
   {"name": "file-io"},
   {"name": "outfile"},
-  {"name": "file-io"},
   {"name": "infile"},
-  {"name": "file-io"},
   {"name": "input-files"},
-  {"name": "file-io"},
   {"name": "input-file"},
-  {"name": "file-io"},
   {"name": "ibm-was"},
-  {"name": "websphere"},
   {"name": "mht"},
   {"name": "mhtml"},
   {"name": "iphone-web"},
@@ -4424,11 +3753,8 @@
   {"name": "ipad-ui"},
   {"name": "ipad"},
   {"name": "ipad-splitview"},
-  {"name": "ipad"},
   {"name": "swift-ios"},
-  {"name": "swift"},
   {"name": "swift-language"},
-  {"name": "swift"},
   {"name": "chrome-packaged-app"},
   {"name": "google-chrome-app"},
   {"name": "eclipse-plugin-dev"},
@@ -4436,9 +3762,7 @@
   {"name": "team-build"},
   {"name": "tfsbuild"},
   {"name": "python-shell"},
-  {"name": "python"},
   {"name": "span"},
-  {"name": "html"},
   {"name": "xperia"},
   {"name": "sony-xperia"},
   {"name": "smartwatch"},
@@ -4446,25 +3770,19 @@
   {"name": "indent"},
   {"name": "indentation"},
   {"name": "html-comments"},
-  {"name": "html"},
   {"name": "dbms"},
   {"name": "database"},
   {"name": "zf2"},
   {"name": "zend-framework2"},
   {"name": "asp.net.mvc"},
-  {"name": "asp.net-mvc"},
   {"name": "injection"},
   {"name": "code-injection"},
   {"name": "volley"},
   {"name": "android-volley"},
   {"name": "div-layouts"},
-  {"name": "html"},
   {"name": "nested-divs"},
-  {"name": "html"},
   {"name": "divs"},
-  {"name": "html"},
   {"name": "div"},
-  {"name": "html"},
   {"name": "appwidget"},
   {"name": "android-appwidget"},
   {"name": "edittext"},
@@ -4472,25 +3790,17 @@
   {"name": "microsoft-appstore"},
   {"name": "windows-store"},
   {"name": "nokia-location-api"},
-  {"name": "here-api"},
   {"name": "vswprintf"},
   {"name": "printf"},
   {"name": "vsnprintf"},
-  {"name": "printf"},
   {"name": "vsprintf"},
-  {"name": "printf"},
   {"name": "snprintf"},
-  {"name": "printf"},
   {"name": "fprintf"},
-  {"name": "printf"},
   {"name": "sprintf"},
-  {"name": "printf"},
   {"name": "mro"},
   {"name": "method-resolution-order"},
   {"name": "php-session"},
-  {"name": "php"},
   {"name": "sqlselect"},
-  {"name": "sql"},
   {"name": "asset"},
   {"name": "assets"},
   {"name": "subsetting"},
@@ -4526,15 +3836,11 @@
   {"name": "android-4.2"},
   {"name": "android-4.2-jelly-bean"},
   {"name": "market"},
-  {"name": "google-play"},
   {"name": "css-display"},
-  {"name": "css"},
   {"name": "karma"},
   {"name": "karma-runner"},
   {"name": "javascript-dom"},
-  {"name": "javascript"},
   {"name": "evoq"},
-  {"name": "dotnetnuke"},
   {"name": "dnd"},
   {"name": "drag-and-drop"},
   {"name": "pig"},
@@ -4546,7 +3852,6 @@
   {"name": "web-browser"},
   {"name": "browser"},
   {"name": "css-backface-visibility"},
-  {"name": "css-transforms"},
   {"name": "class-methods"},
   {"name": "class-method"},
   {"name": "jazz"},
@@ -4558,19 +3863,13 @@
   {"name": "idb"},
   {"name": "indexeddb"},
   {"name": "ui-router"},
-  {"name": "angular-ui-router"},
   {"name": "spark-cluster-framework"},
-  {"name": "apache-spark"},
   {"name": "selenium-webdriver-java"},
-  {"name": "selenium-webdriver"},
   {"name": "selenium-webdriver-c#"},
-  {"name": "selenium-webdriver"},
   {"name": "selenium2"},
-  {"name": "selenium-webdriver"},
   {"name": "processes"},
   {"name": "process"},
   {"name": "activity"},
-  {"name": "android-activity"},
   {"name": "winmo"},
   {"name": "windows-mobile"},
   {"name": "actionbarcompat"},
@@ -4578,7 +3877,6 @@
   {"name": "dynamics"},
   {"name": "microsoft-dynamics"},
   {"name": "conditional-expressions"},
-  {"name": "conditional-operator"},
   {"name": "appendto"},
   {"name": "append"},
   {"name": "avg"},
@@ -4588,25 +3886,18 @@
   {"name": "cv"},
   {"name": "computer-vision"},
   {"name": "file-download"},
-  {"name": "download"},
   {"name": "yii-db"},
   {"name": "yii"},
   {"name": "formating"},
   {"name": "formatting"},
   {"name": "php-readfile"},
-  {"name": "php"},
   {"name": "paypalmerchantsdk"},
-  {"name": "paypal"},
   {"name": "pseudo-selectors"},
-  {"name": "css-selectors"},
   {"name": "cli"},
   {"name": "command-line-interface"},
   {"name": "json-decode"},
-  {"name": "json"},
   {"name": "json-encode"},
-  {"name": "json"},
   {"name": "php-functions"},
-  {"name": "php"},
   {"name": "vars"},
   {"name": "variables"},
   {"name": "endless-loop"},
@@ -4618,53 +3909,40 @@
   {"name": "symbolic-computation"},
   {"name": "symbolic-math"},
   {"name": "computer-algebra-systems"},
-  {"name": "symbolic-math"},
   {"name": "backbone.marionette"},
   {"name": "marionette"},
   {"name": "sonar"},
   {"name": "sonarqube"},
   {"name": "php-cgi"},
-  {"name": "php"},
   {"name": "plaintext"},
   {"name": "text"},
   {"name": "matchers"},
   {"name": "matcher"},
   {"name": "vs-2013-preview"},
-  {"name": "visual-studio-2013"},
   {"name": "vs2013"},
-  {"name": "visual-studio-2013"},
   {"name": "mvn"},
   {"name": "maven"},
   {"name": "vimscript"},
-  {"name": "vim"},
   {"name": "html.dropdownlist"},
-  {"name": "html-select"},
   {"name": "asynchronous-processing"},
-  {"name": "asynchronous"},
   {"name": "sync"},
   {"name": "synchronization"},
   {"name": "gvim"},
-  {"name": "vim"},
   {"name": "gvimrc"},
-  {"name": "vim"},
   {"name": "moment.js"},
   {"name": "momentjs"},
   {"name": "python-ctypes"},
   {"name": "ctypes"},
   {"name": "cipher"},
-  {"name": "encryption"},
   {"name": "angular.dart"},
   {"name": "angular-dart"},
   {"name": "grunt-cli"},
   {"name": "gruntjs"},
   {"name": "style.css-template-file"},
-  {"name": "css"},
   {"name": "mustache.js"},
   {"name": "mustache"},
   {"name": "rewritebase"},
-  {"name": "mod-rewrite"},
   {"name": "html-attributes"},
-  {"name": "html"},
   {"name": "htmldocument"},
   {"name": "dom"},
   {"name": "mobilesubstrate"},
@@ -4674,35 +3952,24 @@
   {"name": "static-vs-non-static"},
   {"name": "static"},
   {"name": "javascript-array"},
-  {"name": "arrays"},
   {"name": "css-validation"},
-  {"name": "css"},
   {"name": "msvc10"},
-  {"name": "visual-studio-2010"},
   {"name": "box-model"},
-  {"name": "css"},
   {"name": "twitter-bootstrap-3.0"},
   {"name": "twitter-bootstrap-3"},
   {"name": "php-mail"},
-  {"name": "php"},
   {"name": "selectors"},
-  {"name": "css-selectors"},
   {"name": "ternary-operator"},
-  {"name": "conditional-operator"},
   {"name": "shorthand-if"},
-  {"name": "conditional-operator"},
   {"name": "duplicate-entry"},
-  {"name": "duplicates"},
   {"name": "g1"},
   {"name": "g1gc"},
   {"name": "self-referencing"},
   {"name": "self-reference"},
   {"name": "self-referential"},
-  {"name": "self-reference"},
   {"name": "division-by-zero"},
   {"name": "divide-by-zero"},
   {"name": "python3"},
-  {"name": "python-3.x"},
   {"name": "uisegmentcontrol"},
   {"name": "uisegmentedcontrol"},
   {"name": "sql-srever"},
@@ -4710,23 +3977,17 @@
   {"name": "gdocs"},
   {"name": "google-docs"},
   {"name": "google-adwords-api"},
-  {"name": "google-ads-api"},
   {"name": "adwords"},
-  {"name": "google-ads-api"},
   {"name": "chromedriver"},
   {"name": "selenium-chromedriver"},
   {"name": "performance-monitoring"},
-  {"name": "performance"},
   {"name": "performance-measurement"},
-  {"name": "performance"},
   {"name": "memory-deallocation"},
   {"name": "memory-management"},
   {"name": "valid-xhtml"},
-  {"name": "xhtml"},
   {"name": "laravel-4.1"},
   {"name": "laravel-4"},
   {"name": "android-test-kit"},
-  {"name": "android-espresso"},
   {"name": "worklight-deployment"},
   {"name": "worklight-server"},
   {"name": "ranges"},
@@ -4740,7 +4001,6 @@
   {"name": "pickle-dump"},
   {"name": "pickle"},
   {"name": "android-sdk-2.2"},
-  {"name": "android-2.2-froyo"},
   {"name": "iis8"},
   {"name": "iis-8"},
   {"name": "iis7"},
@@ -4750,21 +4010,15 @@
   {"name": "iis5"},
   {"name": "iis-5"},
   {"name": "regularexpression"},
-  {"name": "regex"},
   {"name": "glass"},
   {"name": "aero-glass"},
   {"name": "unpickling"},
-  {"name": "pickle"},
   {"name": "cpickle"},
-  {"name": "pickle"},
   {"name": "iap"},
   {"name": "in-app-purchase"},
   {"name": "computer-architecture"},
-  {"name": "cpu-architecture"},
   {"name": "sqlitedatabase"},
-  {"name": "sqlite"},
   {"name": "twitter-bootstrap-3.0.2"},
-  {"name": "twitter-bootstrap-3"},
   {"name": "jquery-datatables"},
   {"name": "datatables"},
   {"name": "osx-10.9"},
@@ -4774,7 +4028,6 @@
   {"name": "tooltips"},
   {"name": "tooltip"},
   {"name": "team-foundation-service"},
-  {"name": "azure-devops"},
   {"name": "boss"},
   {"name": "yahoo-boss"},
   {"name": "owa"},
@@ -4782,23 +4035,17 @@
   {"name": "stacks"},
   {"name": "stack"},
   {"name": "cronexpression"},
-  {"name": "cron"},
   {"name": "handlebars"},
   {"name": "handlebars.js"},
   {"name": "javascript-alert"},
-  {"name": "javascript"},
   {"name": "jquery-sortable"},
   {"name": "jquery-ui-sortable"},
   {"name": "sortable"},
-  {"name": "jquery-ui-sortable"},
   {"name": "pipes"},
-  {"name": "pipe"},
   {"name": "dispose-pattern"},
   {"name": "dispose"},
   {"name": "disposal"},
-  {"name": "dispose"},
   {"name": "disposing"},
-  {"name": "dispose"},
   {"name": "android-intent-flags"},
   {"name": "android-intent"},
   {"name": "recurrence-relation"},
@@ -4812,27 +4059,19 @@
   {"name": "object-to-string"},
   {"name": "tostring"},
   {"name": "kitkat"},
-  {"name": "android-4.4-kitkat"},
   {"name": "syncframework"},
   {"name": "microsoft-sync-framework"},
   {"name": "scaleanimation"},
   {"name": "animation"},
   {"name": "rotateanimation"},
-  {"name": "animation"},
   {"name": "animated"},
-  {"name": "animation"},
   {"name": "mavericks"},
-  {"name": "osx-mavericks"},
   {"name": "msvc11"},
   {"name": "visual-studio-2012"},
   {"name": "max-width"},
-  {"name": "css"},
   {"name": "max-height"},
-  {"name": "css"},
   {"name": "min-width"},
-  {"name": "css"},
   {"name": "min-height"},
-  {"name": "css"},
   {"name": "bit-shift-operators"},
   {"name": "bit-shift"},
   {"name": "f#-charting"},
@@ -4842,13 +4081,10 @@
   {"name": "require.js"},
   {"name": "requirejs"},
   {"name": "opengraph"},
-  {"name": "facebook-opengraph"},
   {"name": "ordering"},
   {"name": "order"},
   {"name": "reordering"},
-  {"name": "order"},
   {"name": "reorder"},
-  {"name": "order"},
   {"name": "temporary-tables"},
   {"name": "temp-tables"},
   {"name": "timestamps"},
@@ -4856,7 +4092,6 @@
   {"name": "left-outer-join"},
   {"name": "left-join"},
   {"name": "gof"},
-  {"name": "design-patterns"},
   {"name": "gtalk"},
   {"name": "google-talk"},
   {"name": "decimals"},
@@ -4868,17 +4103,14 @@
   {"name": "assembly-reference"},
   {"name": "assembly-references"},
   {"name": "css-centering"},
-  {"name": "css"},
   {"name": "street-view"},
   {"name": "google-street-view"},
   {"name": "streetview"},
-  {"name": "google-street-view"},
   {"name": "pnacl"},
   {"name": "google-nativeclient"},
   {"name": "android-stylesheets"},
   {"name": "android-styles"},
   {"name": "splitting"},
-  {"name": "split"},
   {"name": "nil"},
   {"name": "null"},
   {"name": "gpg"},
@@ -4886,13 +4118,10 @@
   {"name": "conformance"},
   {"name": "standards-compliance"},
   {"name": "google-chartwrapper"},
-  {"name": "google-visualization"},
   {"name": "fmx"},
   {"name": "firemonkey"},
   {"name": "datetime-functions"},
-  {"name": "datetime"},
   {"name": "datetime-operation"},
-  {"name": "datetime"},
   {"name": "enumerations"},
   {"name": "enums"},
   {"name": "multipeer-conectivity-ios"},
@@ -4916,9 +4145,7 @@
   {"name": "rules-engine"},
   {"name": "rule-engine"},
   {"name": "rules-engines"},
-  {"name": "rule-engine"},
   {"name": "mysql-table"},
-  {"name": "mysql"},
   {"name": "uimapview"},
   {"name": "mkmapview"},
   {"name": "parenthesis"},
@@ -4930,21 +4157,14 @@
   {"name": "site-catalyst"},
   {"name": "adobe-analytics"},
   {"name": "omniture"},
-  {"name": "adobe-analytics"},
   {"name": "magento-module"},
   {"name": "magento"},
   {"name": "magento-widgets"},
-  {"name": "magento"},
   {"name": "complexity"},
-  {"name": "complexity-theory"},
   {"name": "jdk8"},
-  {"name": "java-8"},
   {"name": "php-errors"},
-  {"name": "php"},
   {"name": "matlab-path"},
-  {"name": "matlab"},
   {"name": "matlab-ide"},
-  {"name": "matlab"},
   {"name": "embedded-matlab"},
   {"name": "matlab-coder"},
   {"name": "ajaxtoolkit"},
@@ -4968,13 +4188,10 @@
   {"name": "xmlns"},
   {"name": "xml-namespaces"},
   {"name": "perlre"},
-  {"name": "regex"},
   {"name": "similarity-analyzer"},
   {"name": "similarity"},
   {"name": "string-similarity"},
-  {"name": "similarity"},
   {"name": "patterns"},
-  {"name": "design-patterns"},
   {"name": "android-images"},
   {"name": "android-image"},
   {"name": "stateless-session-beans"},
@@ -4982,9 +4199,7 @@
   {"name": "sets"},
   {"name": "set"},
   {"name": "jre"},
-  {"name": "java"},
   {"name": "jdk"},
-  {"name": "java"},
   {"name": "urls.py"},
   {"name": "django-urls"},
   {"name": "knapsack"},
@@ -4992,7 +4207,6 @@
   {"name": "data-uri-scheme"},
   {"name": "data-uri"},
   {"name": "iam"},
-  {"name": "amazon-iam"},
   {"name": "pseudo-terminals"},
   {"name": "pty"},
   {"name": "interrupts"},
@@ -5000,19 +4214,15 @@
   {"name": "mvcscaffolding"},
   {"name": "asp.net-mvc-scaffolding"},
   {"name": "sailsjs"},
-  {"name": "sails.js"},
   {"name": "customer-account-data"},
   {"name": "customer-account-data-api"},
   {"name": "sparse-columns"},
   {"name": "sparse-matrix"},
   {"name": "sparse-array"},
-  {"name": "sparse-matrix"},
   {"name": "sparse"},
-  {"name": "sparse-matrix"},
   {"name": "iphone-sdk-4.0"},
   {"name": "ios4"},
   {"name": "iphone-sdk-4"},
-  {"name": "ios4"},
   {"name": "iphone-sdk-5.0"},
   {"name": "ios5"},
   {"name": "iphone-sdk-6.0"},
@@ -5024,21 +4234,16 @@
   {"name": "pictures"},
   {"name": "image"},
   {"name": "picture"},
-  {"name": "image"},
   {"name": "bourne-shell"},
   {"name": "sh"},
   {"name": "bash-variables"},
-  {"name": "bash"},
   {"name": "webstart"},
   {"name": "java-web-start"},
   {"name": "postcode"},
   {"name": "postal-code"},
   {"name": "google-geochart"},
-  {"name": "google-visualization"},
   {"name": "google-charts-api"},
-  {"name": "google-visualization"},
   {"name": "google-charts"},
-  {"name": "google-visualization"},
   {"name": "exchange-2007"},
   {"name": "exchange-server-2007"},
   {"name": "exchange"},
@@ -5060,7 +4265,6 @@
   {"name": "fql"},
   {"name": "facebook-fql"},
   {"name": "php-cli"},
-  {"name": "php"},
   {"name": "ie11"},
   {"name": "internet-explorer-11"},
   {"name": "system-programming"},
@@ -5068,25 +4272,20 @@
   {"name": "trimble-sketchup"},
   {"name": "sketchup"},
   {"name": "google-sketchup"},
-  {"name": "sketchup"},
   {"name": "imageio"},
   {"name": "javax.imageio"},
   {"name": "tuple-unpacking"},
   {"name": "iterable-unpacking"},
   {"name": "lazy-load"},
-  {"name": "lazy-loading"},
   {"name": "data-attributes"},
   {"name": "custom-data-attribute"},
   {"name": "data-attribute"},
-  {"name": "custom-data-attribute"},
   {"name": "nodejs"},
-  {"name": "node.js"},
   {"name": "ifdef"},
   {"name": "conditional-compilation"},
   {"name": "outofmemoryerror"},
   {"name": "out-of-memory"},
   {"name": "outofmemoryexception"},
-  {"name": "out-of-memory"},
   {"name": "css-positioning"},
   {"name": "css-position"},
   {"name": "fields"},
@@ -5096,59 +4295,39 @@
   {"name": "tfpt"},
   {"name": "tfs-power-tools"},
   {"name": "elseif"},
-  {"name": "if-statement"},
   {"name": "asmjs"},
   {"name": "asm.js"},
   {"name": "ifelse"},
-  {"name": "if-statement"},
   {"name": "netmf"},
   {"name": ".net-micro-framework"},
   {"name": "android-eclair"},
-  {"name": "android-2.0-eclair"},
   {"name": "honeycomb"},
-  {"name": "android-3.0-honeycomb"},
   {"name": "android-gingerbread"},
-  {"name": "android-2.3-gingerbread"},
   {"name": "gingerbread"},
-  {"name": "android-2.3-gingerbread"},
   {"name": "android-ics"},
   {"name": "android-4.0-ice-cream-sandwich"},
   {"name": "android-jelly-bean"},
-  {"name": "android-4.2-jelly-bean"},
   {"name": "android-cupcake"},
-  {"name": "android-1.5-cupcake"},
   {"name": "android-froyo"},
-  {"name": "android-2.2-froyo"},
   {"name": "froyo"},
-  {"name": "android-2.2-froyo"},
   {"name": "jelly-bean"},
-  {"name": "android-4.2-jelly-bean"},
   {"name": "ice-cream-sandwich"},
-  {"name": "android-4.0-ice-cream-sandwich"},
   {"name": "android-donut"},
-  {"name": "android-1.6-donut"},
   {"name": "cupcake"},
-  {"name": "android-1.5-cupcake"},
   {"name": "ics"},
   {"name": "icalendar"},
   {"name": "gwtp"},
   {"name": "gwt-platform"},
   {"name": "html-option"},
-  {"name": "html-select"},
   {"name": "adobe-flex-4"},
   {"name": "flex4"},
   {"name": "position-fixed"},
-  {"name": "css-position"},
   {"name": "relative-positioning"},
-  {"name": "css-position"},
   {"name": "absolute-positioning"},
-  {"name": "css-position"},
   {"name": "android-market"},
-  {"name": "google-play"},
   {"name": "ng-repeat"},
   {"name": "angularjs-ng-repeat"},
   {"name": "multidimensional"},
-  {"name": "multidimensional-array"},
   {"name": "vm"},
   {"name": "virtual-machine"},
   {"name": "sap-crystal-reports"},
@@ -5162,39 +4341,30 @@
   {"name": "forking"},
   {"name": "fork"},
   {"name": "perl-regex"},
-  {"name": "regex"},
   {"name": "regex-php"},
-  {"name": "regex"},
   {"name": "adobe-dreamweaver"},
   {"name": "dreamweaver"},
   {"name": "movies"},
   {"name": "video"},
   {"name": "movie"},
-  {"name": "video"},
   {"name": "autoloader"},
   {"name": "autoload"},
   {"name": "composer"},
-  {"name": "composer-php"},
   {"name": "tchart"},
   {"name": "teechart"},
   {"name": "audiomanager"},
   {"name": "android-audiomanager"},
   {"name": "slowness"},
-  {"name": "performance"},
   {"name": "if-then"},
-  {"name": "if-statement"},
   {"name": "dataframes"},
-  {"name": "dataframe"},
   {"name": "sounds"},
   {"name": "audio"},
   {"name": "aria"},
   {"name": "wai-aria"},
   {"name": "vc"},
-  {"name": "visual-c++"},
   {"name": "ie9-developer-tools"},
   {"name": "ie-developer-tools"},
   {"name": "ie8-developer-tools"},
-  {"name": "ie-developer-tools"},
   {"name": "matlab-standalone"},
   {"name": "matlab-compiler"},
   {"name": "tfs-api"},
@@ -5206,15 +4376,11 @@
   {"name": "adobe-flash-cs5"},
   {"name": "flash-cs5"},
   {"name": "cs5"},
-  {"name": "flash-cs5"},
   {"name": "charting-controls"},
   {"name": "charts"},
   {"name": "input-validation"},
-  {"name": "validation"},
   {"name": "form-validation"},
-  {"name": "validation"},
   {"name": "google-scripts"},
-  {"name": "google-apps-script"},
   {"name": "iphone-provisioning"},
   {"name": "ios-provisioning"},
   {"name": "roasal"},
@@ -5228,33 +4394,25 @@
   {"name": "idle-ide"},
   {"name": "python-idle"},
   {"name": "pgrep"},
-  {"name": "grep"},
   {"name": "dds"},
   {"name": "data-distribution-service"},
   {"name": "generic-class"},
-  {"name": "generics"},
   {"name": "dll-hell"},
   {"name": "dll"},
   {"name": "automated-testing"},
   {"name": "automated-tests"},
   {"name": "client-authentication"},
-  {"name": "authentication"},
   {"name": "user-authentication"},
-  {"name": "authentication"},
   {"name": "google-refine"},
   {"name": "openrefine"},
   {"name": "bash-alias"},
-  {"name": "bash"},
   {"name": "google-storage"},
   {"name": "google-cloud-storage"},
   {"name": "android-debug-bridge"},
   {"name": "adb"},
   {"name": "css-inheritance"},
-  {"name": "css"},
   {"name": "dictionaries"},
-  {"name": "dictionary"},
   {"name": "idle"},
-  {"name": "python-idle"},
   {"name": "statistical-analysis"},
   {"name": "statistics"},
   {"name": "android-logcat"},
@@ -5264,13 +4422,10 @@
   {"name": "like-operator"},
   {"name": "sql-like"},
   {"name": "testacular"},
-  {"name": "karma-runner"},
   {"name": "bitwise-shift"},
-  {"name": "bit-shift"},
   {"name": "qplot"},
   {"name": "ggplot2"},
   {"name": "ggplot"},
-  {"name": "ggplot2"},
   {"name": "dynamic-allocation"},
   {"name": "dynamic-memory-allocation"},
   {"name": "jqm"},
@@ -5284,65 +4439,49 @@
   {"name": "specification"},
   {"name": "specifications"},
   {"name": "spec"},
-  {"name": "specifications"},
   {"name": "conditional"},
-  {"name": "conditional-statements"},
   {"name": "argument-passing"},
   {"name": "parameter-passing"},
   {"name": "img"},
-  {"name": "image"},
   {"name": "comprehension"},
   {"name": "list-comprehension"},
   {"name": "decrypt"},
-  {"name": "encryption"},
   {"name": "flickr-api"},
   {"name": "flickr"},
   {"name": "ror3"},
   {"name": "ruby-on-rails-3"},
   {"name": "python-interpreter"},
-  {"name": "python"},
   {"name": "text-replacement"},
   {"name": "replace"},
   {"name": "replacement"},
-  {"name": "replace"},
   {"name": "find-and-replace"},
-  {"name": "replace"},
   {"name": "iphone-ios"},
-  {"name": "iphone"},
   {"name": "php-modules"},
   {"name": "php-extension"},
   {"name": "php.ini"},
-  {"name": "php"},
   {"name": "references"},
   {"name": "reference"},
   {"name": "php-references"},
-  {"name": "reference"},
   {"name": "zend-engine"},
   {"name": "php-internals"},
   {"name": "string-replacement"},
-  {"name": "replace"},
   {"name": "bom"},
   {"name": "byte-order-mark"},
   {"name": "search-and-replace"},
-  {"name": "replace"},
   {"name": "control"},
   {"name": "controls"},
   {"name": "disassembling"},
   {"name": "disassembly"},
   {"name": "disassembler"},
-  {"name": "disassembly"},
   {"name": "css2"},
-  {"name": "css"},
   {"name": "scss"},
   {"name": "sass"},
   {"name": "charset-table"},
   {"name": "character-encoding"},
   {"name": "datepicker-ui"},
-  {"name": "datepicker"},
   {"name": "dbquery"},
   {"name": "query"},
   {"name": "css-columns"},
-  {"name": "css"},
   {"name": "usbdevice"},
   {"name": "usb"},
   {"name": "blocks"},
@@ -5350,29 +4489,20 @@
   {"name": "zen-coding"},
   {"name": "emmet"},
   {"name": "zencoding"},
-  {"name": "emmet"},
   {"name": "emmett"},
-  {"name": "emmet"},
   {"name": "workbook"},
-  {"name": "excel"},
   {"name": "colspan"},
   {"name": "html-table"},
   {"name": "rowspan"},
-  {"name": "html-table"},
   {"name": "td"},
-  {"name": "html-table"},
   {"name": "html-tag"},
-  {"name": "html"},
   {"name": "cfscript"},
   {"name": "cfml"},
   {"name": "cf"},
-  {"name": "cfml"},
   {"name": "hypertext-preprocessor"},
-  {"name": "php"},
   {"name": "pom"},
   {"name": "pom.xml"},
   {"name": "php-yii"},
-  {"name": "yii"},
   {"name": "l2e"},
   {"name": "linq-to-entities"},
   {"name": "ubuntu-precise"},
@@ -5390,9 +4520,7 @@
   {"name": "recommendation"},
   {"name": "recommendation-engine"},
   {"name": "tuning"},
-  {"name": "performance"},
   {"name": "mysql-server"},
-  {"name": "mysql"},
   {"name": "browser-caching"},
   {"name": "browser-cache"},
   {"name": "css-clear"},
@@ -5400,21 +4528,16 @@
   {"name": "exec-bad-access"},
   {"name": "exc-bad-access"},
   {"name": "else"},
-  {"name": "if-statement"},
   {"name": "m2e"},
   {"name": "m2eclipse"},
   {"name": "wams"},
-  {"name": "azure-mobile-services"},
   {"name": "omp"},
   {"name": "openmp"},
   {"name": "variable-naming"},
-  {"name": "naming-conventions"},
   {"name": "inter-process-communicat"},
   {"name": "ipc"},
   {"name": "c-string"},
-  {"name": "c-strings"},
   {"name": "quit"},
-  {"name": "exit"},
   {"name": "processid"},
   {"name": "pid"},
   {"name": "aspdotnet"},
@@ -5426,25 +4549,17 @@
   {"name": "restarting"},
   {"name": "restart"},
   {"name": "application-performance"},
-  {"name": "performance"},
   {"name": "wcf-performance"},
-  {"name": "performance"},
   {"name": "linq-performance"},
-  {"name": "performance"},
   {"name": "jquery-performance"},
-  {"name": "performance"},
   {"name": "javascript-performance"},
-  {"name": "performance"},
   {"name": "android-performance"},
-  {"name": "performance"},
   {"name": "web-performance-test"},
   {"name": "performance-testing"},
   {"name": "performance-test"},
-  {"name": "performance-testing"},
   {"name": "queryperformancecounter"},
   {"name": "performancecounter"},
   {"name": "performancecounters"},
-  {"name": "performancecounter"},
   {"name": "short-message-service"},
   {"name": "sms"},
   {"name": "breakpoint"},
@@ -5472,41 +4587,30 @@
   {"name": "emf"},
   {"name": "eclipse-emf"},
   {"name": "grunt"},
-  {"name": "gruntjs"},
   {"name": "bit-twiddling"},
-  {"name": "bit-manipulation"},
   {"name": "bitwise"},
-  {"name": "bit-manipulation"},
   {"name": "jpg"},
   {"name": "jpeg"},
   {"name": "tfs-service"},
-  {"name": "azure-devops"},
   {"name": "workspaces"},
   {"name": "workspace"},
   {"name": "php-frameworks"},
-  {"name": "php"},
   {"name": "crawling"},
-  {"name": "web-crawler"},
   {"name": "crawl"},
-  {"name": "web-crawler"},
   {"name": "impersonate"},
   {"name": "impersonation"},
   {"name": "in-the-wild"},
   {"name": "production"},
   {"name": "ical"},
-  {"name": "icalendar"},
   {"name": "itextpdf"},
-  {"name": "itext"},
   {"name": "xml-schema"},
   {"name": "xsd"},
   {"name": "apache-hadoop"},
   {"name": "hadoop"},
   {"name": "harddisk"},
-  {"name": "hard-drive"},
   {"name": "django-tastypie"},
   {"name": "tastypie"},
   {"name": "php5"},
-  {"name": "php"},
   {"name": "push-notifications"},
   {"name": "push-notification"},
   {"name": "etree"},
@@ -5514,9 +4618,7 @@
   {"name": "vs-macros"},
   {"name": "visual-studio-macros"},
   {"name": "uitable"},
-  {"name": "uitableview"},
   {"name": "unity-game-engine"},
-  {"name": "unity3d"},
   {"name": "flow3"},
   {"name": "typo3-flow"},
   {"name": "clojure.core.logic"},
@@ -5526,15 +4628,11 @@
   {"name": "reusable-code"},
   {"name": "code-reuse"},
   {"name": "magento-admin"},
-  {"name": "magento"},
   {"name": "php-date"},
-  {"name": "php"},
   {"name": "breeze.js"},
   {"name": "breeze"},
   {"name": "breezejs"},
-  {"name": "breeze"},
   {"name": "magento-upgrade"},
-  {"name": "magento"},
   {"name": "css-keyframes"},
   {"name": "css-animations"},
   {"name": "h5bp"},
@@ -5542,11 +4640,9 @@
   {"name": "requests"},
   {"name": "python-requests"},
   {"name": "singlepage"},
-  {"name": "single-page-application"},
   {"name": "winrt"},
   {"name": "windows-runtime"},
   {"name": "python-pil"},
-  {"name": "python-imaging-library"},
   {"name": "kendo"},
   {"name": "kendo-ui"},
   {"name": "static-member"},
@@ -5562,13 +4658,9 @@
   {"name": "checkboxes"},
   {"name": "checkbox"},
   {"name": "data-url"},
-  {"name": "data-uri"},
   {"name": "ios4.0.1"},
-  {"name": "ios4"},
   {"name": "ios4.3"},
-  {"name": "ios4"},
   {"name": "ios4.1"},
-  {"name": "ios4"},
   {"name": "traverse"},
   {"name": "traversal"},
   {"name": "polymorphic"},
@@ -5576,35 +4668,26 @@
   {"name": "loadtest"},
   {"name": "load-testing"},
   {"name": "ios5-compatibility"},
-  {"name": "ios5"},
   {"name": "indexes"},
   {"name": "indexing"},
   {"name": "index"},
-  {"name": "indexing"},
   {"name": "array-sorting"},
-  {"name": "sorting"},
   {"name": "n-tier"},
   {"name": "n-tier-architecture"},
   {"name": "symfony2"},
-  {"name": "symfony"},
   {"name": "iterate"},
   {"name": "loops"},
   {"name": "sql-select"},
-  {"name": "sql"},
   {"name": "persian"},
   {"name": "farsi"},
   {"name": "sorting-algorithm"},
-  {"name": "sorting"},
   {"name": "language-processing"},
-  {"name": "nlp"},
   {"name": "hashing"},
-  {"name": "hash"},
   {"name": "curly-brackets"},
   {"name": "curly-braces"},
   {"name": "mongod"},
   {"name": "mongodb"},
   {"name": "fileinput"},
-  {"name": "file-io"},
   {"name": "rtc"},
   {"name": "rational-team-concert"},
   {"name": "variable-scope"},
@@ -5632,7 +4715,6 @@
   {"name": "spellcheck"},
   {"name": "spell-checking"},
   {"name": "google-drive"},
-  {"name": "google-drive-api"},
   {"name": "prismv2"},
   {"name": "prism-2"},
   {"name": "prismv4"},
@@ -5672,7 +4754,6 @@
   {"name": "rotate"},
   {"name": "rotation"},
   {"name": "rotating"},
-  {"name": "rotation"},
   {"name": "bot"},
   {"name": "bots"},
   {"name": "saving"},
@@ -5708,47 +4789,35 @@
   {"name": "seo-friendly"},
   {"name": "seo"},
   {"name": "batch-script"},
-  {"name": "batch-file"},
   {"name": "batch"},
-  {"name": "batch-file"},
   {"name": "unix-utils"},
   {"name": "unix"},
   {"name": "associative-arrays"},
   {"name": "associative-array"},
   {"name": "comma-separated"},
-  {"name": "csv"},
   {"name": "boost-jam"},
   {"name": "bjam"},
   {"name": "boost.build"},
   {"name": "boost-build"},
   {"name": "pythonic"},
-  {"name": "python"},
   {"name": "pylab"},
-  {"name": "matplotlib"},
   {"name": "cross-threading"},
   {"name": "multithreading"},
   {"name": "finite-precision"},
   {"name": "precision"},
   {"name": "numeric-precision"},
-  {"name": "precision"},
   {"name": "floating-point-precision"},
-  {"name": "precision"},
   {"name": "double-precision"},
-  {"name": "precision"},
   {"name": "clusters"},
   {"name": "cluster-computing"},
   {"name": "cluster"},
-  {"name": "cluster-computing"},
   {"name": "underscore"},
   {"name": "underscore.js"},
   {"name": "knockout"},
-  {"name": "knockout.js"},
   {"name": "simplexmlelement"},
-  {"name": "simplexml"},
   {"name": "argument"},
   {"name": "arguments"},
   {"name": "asp-mvc"},
-  {"name": "asp.net-mvc"},
   {"name": "webnoir"},
   {"name": "noir"},
   {"name": "actionbar"},
@@ -5766,13 +4835,10 @@
   {"name": "viewpager"},
   {"name": "android-viewpager"},
   {"name": "html-dom"},
-  {"name": "dom"},
   {"name": "vimrc"},
-  {"name": "vim"},
   {"name": "text-file"},
   {"name": "text-files"},
   {"name": "scikits-learn"},
-  {"name": "scikit-learn"},
   {"name": "cursorloader"},
   {"name": "android-cursorloader"},
   {"name": "cursoradapter"},
@@ -5786,7 +4852,6 @@
   {"name": "customized"},
   {"name": "customization"},
   {"name": "customize"},
-  {"name": "customization"},
   {"name": "repositories"},
   {"name": "repository"},
   {"name": "uniqueness"},
@@ -5794,7 +4859,6 @@
   {"name": "metro"},
   {"name": "microsoft-metro"},
   {"name": "metro-ui"},
-  {"name": "microsoft-metro"},
   {"name": "metro-framework"},
   {"name": "java-metro-framework"},
   {"name": "microsoft-surface"},
@@ -5810,15 +4874,10 @@
   {"name": "terminals"},
   {"name": "terminal"},
   {"name": "vs2012"},
-  {"name": "visual-studio-2012"},
   {"name": "vs2011"},
-  {"name": "visual-studio-2012"},
   {"name": "vs11"},
-  {"name": "visual-studio-2012"},
   {"name": "ember"},
-  {"name": "ember.js"},
   {"name": "visual-studio-11"},
-  {"name": "visual-studio-2012"},
   {"name": "bool"},
   {"name": "boolean"},
   {"name": "wol"},
@@ -5826,21 +4885,15 @@
   {"name": "nested-class"},
   {"name": "inner-classes"},
   {"name": "nested-classes"},
-  {"name": "inner-classes"},
   {"name": "linq2twitter"},
   {"name": "linq-to-twitter"},
   {"name": "yii-mvc"},
-  {"name": "yii"},
   {"name": "egrep"},
-  {"name": "grep"},
   {"name": "aosp"},
   {"name": "android-source"},
   {"name": "authenticate"},
-  {"name": "authentication"},
   {"name": "ios5-sdk"},
-  {"name": "ios5"},
   {"name": "dropdownlist"},
-  {"name": "drop-down-menu"},
   {"name": "strongly-typed"},
   {"name": "strong-typing"},
   {"name": "ie10"},
@@ -5854,13 +4907,11 @@
   {"name": "9patch"},
   {"name": "nine-patch"},
   {"name": "operator-new"},
-  {"name": "new-operator"},
   {"name": "knockoutjs-mapping-plugin"},
   {"name": "knockout-mapping-plugin"},
   {"name": "knockoutjs2"},
   {"name": "knockout-2.0"},
   {"name": "knockoutjs"},
-  {"name": "knockout.js"},
   {"name": "pen-testing"},
   {"name": "penetration-testing"},
   {"name": "backbonejs"},
@@ -5874,13 +4925,11 @@
   {"name": "sharedobject"},
   {"name": "shared-objects"},
   {"name": "design-pattern"},
-  {"name": "design-patterns"},
   {"name": "vertical-align"},
   {"name": "vertical-alignment"},
   {"name": "align"},
   {"name": "alignment"},
   {"name": "bar-graph"},
-  {"name": "bar-chart"},
   {"name": "so"},
   {"name": "shared-libraries"},
   {"name": "fusion-tables"},
@@ -5894,7 +4943,6 @@
   {"name": "sqlldr"},
   {"name": "sql-loader"},
   {"name": "accents"},
-  {"name": "diacritics"},
   {"name": "assembly-language"},
   {"name": "assembly"},
   {"name": "css-expression"},
@@ -5908,23 +4956,17 @@
   {"name": "liftweb"},
   {"name": "lift"},
   {"name": "css-height"},
-  {"name": "css"},
   {"name": "autocompleter"},
   {"name": "autocomplete"},
   {"name": "css-classes"},
-  {"name": "css"},
   {"name": "fk-relationship"},
-  {"name": "foreign-keys"},
   {"name": "jquery-validation-plugin"},
   {"name": "jquery-validate"},
   {"name": "android-device"},
-  {"name": "android"},
   {"name": "ssis-data-transformations"},
-  {"name": "ssis"},
   {"name": "idempotency"},
   {"name": "idempotent"},
   {"name": "idempotence"},
-  {"name": "idempotent"},
   {"name": "mkmapkit"},
   {"name": "mapkit"},
   {"name": "cocos2d"},
@@ -5938,23 +4980,18 @@
   {"name": "lein"},
   {"name": "leiningen"},
   {"name": "backbone"},
-  {"name": "backbone.js"},
   {"name": "ms"},
   {"name": "microsoft"},
   {"name": "msiexec"},
   {"name": "windows-installer"},
   {"name": "classic-javascript"},
-  {"name": "javascript"},
   {"name": "pattern"},
-  {"name": "design-patterns"},
   {"name": "code-first-migrations"},
-  {"name": "entity-framework-migrations"},
   {"name": "long"},
   {"name": "long-integer"},
   {"name": "cudamalloc"},
   {"name": "cuda"},
   {"name": "float-css"},
-  {"name": "css-float"},
   {"name": "bit-operations"},
   {"name": "bitwise-operators"},
   {"name": "binary-search-trees"},
@@ -5972,9 +5009,7 @@
   {"name": "tokenization"},
   {"name": "tokenize"},
   {"name": "tokenizer"},
-  {"name": "tokenize"},
   {"name": "tokenizing"},
-  {"name": "tokenize"},
   {"name": "tokens"},
   {"name": "token"},
   {"name": "functors"},
@@ -5988,11 +5023,8 @@
   {"name": "ssrs-reports"},
   {"name": "reporting-services"},
   {"name": "cloudfront"},
-  {"name": "amazon-cloudfront"},
   {"name": "database-architecture"},
-  {"name": "database-design"},
   {"name": "image-uploading"},
-  {"name": "file-upload"},
   {"name": "ming-library"},
   {"name": "libming"},
   {"name": "modal-view-controller"},
@@ -6002,7 +5034,6 @@
   {"name": "postbacks"},
   {"name": "postback"},
   {"name": "masterpage"},
-  {"name": "master-pages"},
   {"name": "fulltext"},
   {"name": "full-text-search"},
   {"name": "htmlparser"},
@@ -6012,15 +5043,10 @@
   {"name": "webworkers"},
   {"name": "web-worker"},
   {"name": "gnumakefile"},
-  {"name": "gnu-make"},
   {"name": "dates"},
-  {"name": "date"},
   {"name": "nullvalue"},
-  {"name": "null"},
   {"name": "nulls"},
-  {"name": "null"},
   {"name": "cuda-kernel"},
-  {"name": "cuda"},
   {"name": "yml"},
   {"name": "yaml"},
   {"name": "jquery-tablesorter"},
@@ -6028,9 +5054,7 @@
   {"name": "ol"},
   {"name": "html-lists"},
   {"name": "li"},
-  {"name": "html-lists"},
   {"name": "ul"},
-  {"name": "html-lists"},
   {"name": "django-auth"},
   {"name": "django-authentication"},
   {"name": "css3-transitions"},
@@ -6038,21 +5062,15 @@
   {"name": "embedded-systems"},
   {"name": "embedded"},
   {"name": "unordered-list"},
-  {"name": "html-lists"},
   {"name": "c2dm"},
   {"name": "android-c2dm"},
   {"name": "wolfram"},
-  {"name": "wolfram-mathematica"},
   {"name": "django-widgets"},
   {"name": "django-widget"},
   {"name": "android-api"},
-  {"name": "android"},
   {"name": "ordered-list"},
-  {"name": "html-lists"},
   {"name": "metro-style-app"},
-  {"name": "microsoft-metro"},
   {"name": "logon"},
-  {"name": "authentication"},
   {"name": "returns"},
   {"name": "returning"},
   {"name": "borders"},
@@ -6064,7 +5082,6 @@
   {"name": "roslyn-ctp"},
   {"name": "roslyn"},
   {"name": "queries"},
-  {"name": "query"},
   {"name": "ax"},
   {"name": "axapta"},
   {"name": "at"},
@@ -6074,11 +5091,8 @@
   {"name": "spec-sharp"},
   {"name": "spec#"},
   {"name": "concurency"},
-  {"name": "concurrency"},
   {"name": "compiler"},
-  {"name": "compiler-construction"},
   {"name": "mdb"},
-  {"name": "ms-access"},
   {"name": "windows-phone-7.5"},
   {"name": "windows-phone-7"},
   {"name": "iis7httpmodule"},
@@ -6092,19 +5106,15 @@
   {"name": "crlf"},
   {"name": "newline"},
   {"name": "msvs"},
-  {"name": "visual-studio"},
   {"name": "forward-declarations"},
   {"name": "forward-declaration"},
   {"name": "style"},
   {"name": "styles"},
   {"name": "bst"},
-  {"name": "binary-search-tree"},
   {"name": "crawler"},
-  {"name": "web-crawler"},
   {"name": "task-scheduling"},
   {"name": "scheduled-tasks"},
   {"name": "task-scheduler"},
-  {"name": "scheduled-tasks"},
   {"name": "devfabric"},
   {"name": "azure-compute-emulator"},
   {"name": "datatemplates"},
@@ -6122,45 +5132,31 @@
   {"name": "a4j"},
   {"name": "ajax4jsf"},
   {"name": "dtsx"},
-  {"name": "ssis"},
   {"name": "parallel-computing"},
   {"name": "parallel-processing"},
   {"name": "parallelism"},
-  {"name": "parallel-processing"},
   {"name": "parallelization"},
-  {"name": "parallel-processing"},
   {"name": "fluent-api"},
   {"name": "fluent-interface"},
   {"name": "wtp"},
-  {"name": "eclipse-wtp"},
   {"name": "integers"},
-  {"name": "integer"},
   {"name": "filetypes"},
   {"name": "file-type"},
   {"name": "xslt-2.0-processors"},
-  {"name": "xslt"},
   {"name": "xsltproc"},
-  {"name": "xslt"},
   {"name": "xsltprocessor"},
-  {"name": "xslt"},
   {"name": "fts"},
-  {"name": "full-text-search"},
   {"name": "clustering"},
   {"name": "cluster-analysis"},
   {"name": "data-clustering"},
-  {"name": "cluster-analysis"},
   {"name": "code-optimization"},
-  {"name": "optimization"},
   {"name": "validate"},
-  {"name": "validation"},
   {"name": "conflicts"},
   {"name": "conflict"},
   {"name": "azure-storage-tables"},
   {"name": "azure-table-storage"},
   {"name": "d3"},
-  {"name": "d3.js"},
   {"name": "rewrite"},
-  {"name": "url-rewriting"},
   {"name": "sl4j"},
   {"name": "slf4j"},
   {"name": "es5"},
@@ -6170,13 +5166,10 @@
   {"name": "lesscss"},
   {"name": "less"},
   {"name": "memory-allocation"},
-  {"name": "memory-management"},
   {"name": "autowire"},
   {"name": "autowired"},
   {"name": "intent"},
-  {"name": "android-intent"},
   {"name": "parallel"},
-  {"name": "parallel-processing"},
   {"name": "browser-compatibility"},
   {"name": "cross-browser"},
   {"name": "zend"},
@@ -6184,17 +5177,13 @@
   {"name": "reports"},
   {"name": "report"},
   {"name": "rewrite-url"},
-  {"name": "url-rewriting"},
   {"name": "orient-db"},
   {"name": "orientdb"},
   {"name": "css-attributes"},
-  {"name": "css"},
   {"name": "windows-event-log"},
   {"name": "event-log"},
   {"name": "eventlog"},
-  {"name": "event-log"},
   {"name": "idiom"},
-  {"name": "idioms"},
   {"name": "spel"},
   {"name": "spring-el"},
   {"name": "interceptors"},
@@ -6208,9 +5197,7 @@
   {"name": "google-accounts"},
   {"name": "google-account"},
   {"name": "database-modeling"},
-  {"name": "database-design"},
   {"name": "table-design"},
-  {"name": "database-design"},
   {"name": "app-pool"},
   {"name": "application-pool"},
   {"name": "scriptsharp"},
@@ -6228,21 +5215,16 @@
   {"name": "cross-origin"},
   {"name": "cross-domain"},
   {"name": "webcontrol"},
-  {"name": "web-controls"},
   {"name": "expressjs"},
   {"name": "express"},
   {"name": "express.js"},
-  {"name": "express"},
   {"name": "programatically"},
   {"name": "programmatically"},
   {"name": "buffers"},
   {"name": "buffer"},
   {"name": "php-oop"},
-  {"name": "php"},
   {"name": "magento-catalog"},
-  {"name": "magento"},
   {"name": "huffman-encoding"},
-  {"name": "huffman-code"},
   {"name": "stylesheets"},
   {"name": "stylesheet"},
   {"name": "tls"},
@@ -6256,9 +5238,7 @@
   {"name": "signal"},
   {"name": "signals"},
   {"name": "vbproj"},
-  {"name": "vb.net"},
   {"name": "if-else"},
-  {"name": "if-statement"},
   {"name": "windows-registry"},
   {"name": "registry"},
   {"name": "customcomponents"},
@@ -6266,17 +5246,13 @@
   {"name": "job-hunting"},
   {"name": "career-development"},
   {"name": "employment"},
-  {"name": "career-development"},
   {"name": "ms-jscript"},
   {"name": "jscript"},
   {"name": "urlrewrite"},
-  {"name": "url-rewriting"},
   {"name": "windows-script-host"},
-  {"name": "wsh"},
   {"name": "drupal-module"},
   {"name": "drupal-modules"},
   {"name": "android-apk"},
-  {"name": "apk"},
   {"name": "machine.specifications"},
   {"name": "mspec"},
   {"name": "property"},
@@ -6286,15 +5262,12 @@
   {"name": "lucene-index"},
   {"name": "lucene"},
   {"name": "assembler"},
-  {"name": "assembly"},
   {"name": "excel-xll"},
   {"name": "xll"},
   {"name": "syscall"},
   {"name": "system-calls"},
   {"name": "system-call"},
-  {"name": "system-calls"},
   {"name": "crashes"},
-  {"name": "crash"},
   {"name": "for-in"},
   {"name": "for-in-loop"},
   {"name": "softlink"},
@@ -6302,11 +5275,9 @@
   {"name": "ipad-simulator"},
   {"name": "ios-simulator"},
   {"name": "iphone-simulator"},
-  {"name": "ios-simulator"},
   {"name": "ergonomy"},
   {"name": "ergonomics"},
   {"name": "ergonomic"},
-  {"name": "ergonomics"},
   {"name": "bsd-sockets"},
   {"name": "sockets"},
   {"name": "lion"},
@@ -6316,9 +5287,7 @@
   {"name": "leopard"},
   {"name": "osx-leopard"},
   {"name": "macosx-10.5"},
-  {"name": "osx-leopard"},
   {"name": "osx-10.7"},
-  {"name": "osx-lion"},
   {"name": "jetty-maven-plugin"},
   {"name": "maven-jetty-plugin"},
   {"name": "custom-macros"},
@@ -6326,15 +5295,12 @@
   {"name": "xcode-ide"},
   {"name": "xcode"},
   {"name": "msrs"},
-  {"name": "reporting-services"},
   {"name": "type-classes"},
   {"name": "typeclass"},
   {"name": "ios-5.0"},
-  {"name": "ios5"},
   {"name": "shaders"},
   {"name": "shader"},
   {"name": "sql-join"},
-  {"name": "join"},
   {"name": "end-of-file"},
   {"name": "eof"},
   {"name": "google-mail"},
@@ -6350,29 +5316,22 @@
   {"name": "logs"},
   {"name": "logging"},
   {"name": "log"},
-  {"name": "logging"},
   {"name": "integration-services"},
-  {"name": "ssis"},
   {"name": "clj"},
-  {"name": "clojure"},
   {"name": "school"},
   {"name": "homework"},
   {"name": "array-of-objects"},
-  {"name": "arrays"},
   {"name": "str"},
-  {"name": "string"},
   {"name": "ria-services"},
   {"name": "wcf-ria-services"},
   {"name": "vectorizing"},
   {"name": "vectorization"},
   {"name": "vectorize"},
-  {"name": "vectorization"},
   {"name": "livecycle-data-services"},
   {"name": "lcds"},
   {"name": "lexical-analyser"},
   {"name": "lexical-analysis"},
   {"name": "lexical-analyzer"},
-  {"name": "lexical-analysis"},
   {"name": "poi"},
   {"name": "apache-poi"},
   {"name": "apache-axis"},
@@ -6382,11 +5341,8 @@
   {"name": "assignment"},
   {"name": "variable-assignment"},
   {"name": "visual-c#"},
-  {"name": "c#"},
   {"name": "magento-theming"},
-  {"name": "magento"},
   {"name": "magento-extension"},
-  {"name": "magento"},
   {"name": "amd64"},
   {"name": "x86-64"},
   {"name": "html-helpers"},
@@ -6406,45 +5362,31 @@
   {"name": "magical-getters-setters"},
   {"name": "getter-setter"},
   {"name": "getters-setters"},
-  {"name": "getter-setter"},
   {"name": ".deb"},
   {"name": "deb"},
   {"name": "mini-profiler"},
-  {"name": "mvc-mini-profiler"},
   {"name": "await"},
-  {"name": "async-await"},
   {"name": "async-ctp"},
-  {"name": "async-await"},
   {"name": "compile"},
   {"name": "compilation"},
   {"name": "compiling"},
-  {"name": "compilation"},
   {"name": "3d-graphics"},
   {"name": "3d"},
   {"name": "sql-syntax"},
-  {"name": "sql"},
   {"name": "validators"},
-  {"name": "validation"},
   {"name": "cached"},
   {"name": "caching"},
   {"name": "coding-guidelines"},
-  {"name": "coding-style"},
   {"name": "servletcontext"},
-  {"name": "servlets"},
   {"name": "mac"},
-  {"name": "macos"},
   {"name": "output-file"},
-  {"name": "file-io"},
   {"name": "registers"},
-  {"name": "cpu-registers"},
   {"name": "uml-modeling"},
   {"name": "uml"},
   {"name": "textboxes"},
   {"name": "textbox"},
   {"name": "if-then-else"},
-  {"name": "if-statement"},
   {"name": "if-else-statement"},
-  {"name": "if-statement"},
   {"name": "model-view-presenter"},
   {"name": "mvp"},
   {"name": "ext"},
@@ -6452,15 +5394,12 @@
   {"name": "softkeyboard"},
   {"name": "android-softkeyboard"},
   {"name": "tsvn"},
-  {"name": "tortoisesvn"},
   {"name": "json-parsing"},
-  {"name": "json"},
   {"name": "il"},
   {"name": "cil"},
   {"name": "bigmemory"},
   {"name": "ehcache-bigmemory"},
   {"name": "wri-mathematica"},
-  {"name": "wolfram-mathematica"},
   {"name": "c++0x"},
   {"name": "c++11"},
   {"name": ".cshtml"},
@@ -6468,17 +5407,13 @@
   {"name": "diffiehellman"},
   {"name": "diffie-hellman"},
   {"name": ".net-generics"},
-  {"name": "generics"},
   {"name": "xdocument"},
-  {"name": "linq-to-xml"},
   {"name": "undefined-behaviour"},
   {"name": "undefined-behavior"},
   {"name": "python-subprocess-module"},
   {"name": "subprocess"},
   {"name": "msi"},
-  {"name": "windows-installer"},
   {"name": "efficiency"},
-  {"name": "performance"},
   {"name": "gtest"},
   {"name": "googletest"},
   {"name": "nesting"},
@@ -6486,55 +5421,34 @@
   {"name": "switch-case"},
   {"name": "switch-statement"},
   {"name": "switch"},
-  {"name": "switch-statement"},
   {"name": "ror"},
   {"name": "ruby-on-rails"},
   {"name": "grails-hasmany"},
   {"name": "gorm"},
   {"name": "grails-orm"},
-  {"name": "gorm"},
   {"name": "iphone-programming"},
-  {"name": "iphone"},
   {"name": "auth"},
-  {"name": "authentication"},
   {"name": "compress"},
-  {"name": "compression"},
   {"name": "xml-parser"},
-  {"name": "xml-parsing"},
   {"name": "window-api"},
-  {"name": "winapi"},
   {"name": "objc-arc"},
-  {"name": "automatic-ref-counting"},
   {"name": "cake"},
   {"name": "cakephp"},
   {"name": "asp.net-razor-pages"},
-  {"name": "razor"},
   {"name": "razor-web-pages"},
-  {"name": "razor"},
   {"name": "asp.net-website"},
-  {"name": "asp.net"},
   {"name": "prepared-statements"},
-  {"name": "prepared-statement"},
   {"name": "zombie"},
   {"name": "zombie-process"},
   {"name": ".net-ria-services"},
-  {"name": "wcf-ria-services"},
   {"name": "builds"},
-  {"name": "build"},
   {"name": "speed-up"},
-  {"name": "performance"},
   {"name": "redirection"},
-  {"name": "redirect"},
   {"name": "zombies"},
-  {"name": "zombie-process"},
   {"name": "javax.mail"},
-  {"name": "jakarta-mail"},
   {"name": "database-queries"},
-  {"name": "query"},
   {"name": "memory-usage"},
-  {"name": "memory-management"},
   {"name": "pyplot"},
-  {"name": "matplotlib"},
   {"name": "where"},
   {"name": "where-clause"},
   {"name": "ddply"},
@@ -6542,7 +5456,6 @@
   {"name": "play"},
   {"name": "playback"},
   {"name": "multi-layer-perceptron"},
-  {"name": "neural-network"},
   {"name": "apache-solr"},
   {"name": "solr"},
   {"name": "entity-framework-ctp5"},
@@ -6552,9 +5465,7 @@
   {"name": "profiling-tools"},
   {"name": "profiling"},
   {"name": "core-java"},
-  {"name": "java"},
   {"name": "j2se"},
-  {"name": "java"},
   {"name": "reference-types"},
   {"name": "reference-type"},
   {"name": "implementation-details"},
@@ -6568,19 +5479,13 @@
   {"name": "sql-ce"},
   {"name": "sql-server-ce"},
   {"name": "mssql-ce"},
-  {"name": "sql-server-ce"},
   {"name": "memory-fences"},
-  {"name": "memory-barriers"},
   {"name": "string-manipulation"},
-  {"name": "string"},
   {"name": "jabber"},
   {"name": "xmpp"},
   {"name": "running-time"},
-  {"name": "performance"},
   {"name": "faster"},
-  {"name": "performance"},
   {"name": "magento-enterprise"},
-  {"name": "magento"},
   {"name": "extensions"},
   {"name": "extension"},
   {"name": "httpd"},
@@ -6588,53 +5493,35 @@
   {"name": "windows-phone-mango"},
   {"name": "windows-phone-7.1"},
   {"name": "wpf-binding"},
-  {"name": "data-binding"},
   {"name": "wrappers"},
   {"name": "wrapper"},
   {"name": "immutable-class"},
   {"name": "immutability"},
   {"name": "o-notation"},
-  {"name": "big-o"},
   {"name": "importing"},
-  {"name": "import"},
   {"name": "calender"},
   {"name": "calendar"},
   {"name": "iseries"},
   {"name": "ibm-midrange"},
   {"name": "ibm-i"},
-  {"name": "ibm-midrange"},
   {"name": "as400"},
-  {"name": "ibm-midrange"},
   {"name": "oo-design"},
-  {"name": "oop"},
   {"name": "java-util-logging"},
   {"name": "java.util.logging"},
   {"name": "spaghetti-code"},
-  {"name": "coding-style"},
   {"name": ".java"},
-  {"name": "java"},
   {"name": "msie7"},
-  {"name": "internet-explorer-7"},
   {"name": "clean-code"},
-  {"name": "coding-style"},
   {"name": "inner-class"},
-  {"name": "inner-classes"},
   {"name": "android-honeycomb"},
-  {"name": "android-3.0-honeycomb"},
   {"name": "unit-tests"},
-  {"name": "unit-testing"},
   {"name": "coffee"},
   {"name": "coffeescript"},
   {"name": "mongodb-csharp-driver"},
-  {"name": "mongodb-.net-driver"},
   {"name": "computed-column"},
-  {"name": "calculated-columns"},
   {"name": "object-oriented-modeling"},
-  {"name": "oop"},
   {"name": "windows-application"},
-  {"name": "windows"},
   {"name": "sound"},
-  {"name": "audio"},
   {"name": "css-hacks"},
   {"name": "css-hack"},
   {"name": "hashmaps"},
@@ -6642,15 +5529,12 @@
   {"name": "foldl"},
   {"name": "fold"},
   {"name": "foldr"},
-  {"name": "fold"},
   {"name": "ugly-code"},
-  {"name": "coding-style"},
   {"name": "header-file"},
   {"name": "header-files"},
   {"name": "cf.net"},
   {"name": "compact-framework"},
   {"name": "winddk"},
-  {"name": "wdk"},
   {"name": "asp.net-mvc-3-validation"},
   {"name": "asp.net-mvc-3"},
   {"name": "ndk"},
@@ -6658,21 +5542,14 @@
   {"name": "table-variables"},
   {"name": "table-variable"},
   {"name": "table-valued-functions"},
-  {"name": "user-defined-functions"},
   {"name": "scalar-valued-functions"},
-  {"name": "user-defined-functions"},
   {"name": "scalar-function"},
-  {"name": "user-defined-functions"},
   {"name": "table-udf"},
-  {"name": "user-defined-functions"},
   {"name": "scalar-udf"},
-  {"name": "user-defined-functions"},
   {"name": "files"},
   {"name": "file"},
   {"name": "mma"},
-  {"name": "wolfram-mathematica"},
   {"name": ".net-framework-3.5"},
-  {"name": ".net-3.5"},
   {"name": ".net-framework"},
   {"name": ".net"},
   {"name": "global.asax"},
@@ -6688,31 +5565,22 @@
   {"name": "webpy"},
   {"name": "web.py"},
   {"name": "sencha"},
-  {"name": "extjs"},
   {"name": "software-architecture"},
   {"name": "architecture"},
   {"name": "solution-architecture"},
-  {"name": "architecture"},
   {"name": "application-architecture"},
-  {"name": "architecture"},
   {"name": "system-architecture"},
-  {"name": "architecture"},
   {"name": "charting"},
-  {"name": "charts"},
   {"name": "chart"},
-  {"name": "charts"},
   {"name": "typesystem"},
   {"name": "type-systems"},
   {"name": "speed"},
-  {"name": "performance"},
   {"name": "datatypes"},
-  {"name": "types"},
   {"name": ".net-framework-4.0"},
   {"name": ".net-4.0"},
   {"name": "functional"},
   {"name": "functional-programming"},
   {"name": "rails3"},
-  {"name": "ruby-on-rails-3"},
   {"name": "mime-content-type"},
   {"name": "mime-types"},
   {"name": "basic-string"},
@@ -6722,13 +5590,9 @@
   {"name": "wpfdatagrid"},
   {"name": "datagrid"},
   {"name": ".bat"},
-  {"name": "batch-file"},
   {"name": "bat"},
-  {"name": "batch-file"},
   {"name": "dos-batch"},
-  {"name": "batch-file"},
   {"name": "winbatch"},
-  {"name": "batch-file"},
   {"name": "floats"},
   {"name": "float"},
   {"name": "domain-specific-languages"},
@@ -6736,27 +5600,21 @@
   {"name": "mysqldb"},
   {"name": "mysql-python"},
   {"name": "windows-azure-tables"},
-  {"name": "azure-table-storage"},
   {"name": "css-background-image"},
-  {"name": "css"},
   {"name": "jcomponents"},
   {"name": "jcomponent"},
   {"name": "selectbox"},
-  {"name": "drop-down-menu"},
   {"name": "standard"},
   {"name": "standards"},
   {"name": "comment"},
-  {"name": "comments"},
   {"name": "standard-ml"},
   {"name": "sml"},
   {"name": "gtk+"},
   {"name": "gtk"},
   {"name": "data-frame"},
-  {"name": "dataframe"},
   {"name": "beans"},
   {"name": "javabeans"},
   {"name": "bean"},
-  {"name": "javabeans"},
   {"name": "adobe-acrobat"},
   {"name": "acrobat"},
   {"name": "google-reader-api"},
@@ -6764,21 +5622,15 @@
   {"name": "quartz-graphics"},
   {"name": "core-graphics"},
   {"name": "generic"},
-  {"name": "generics"},
   {"name": "rssfeed"},
   {"name": "rss"},
   {"name": "microsoft-access"},
-  {"name": "ms-access"},
   {"name": "ezcomponents"},
   {"name": "zeta-components"},
   {"name": ".bashrc"},
-  {"name": "bash"},
   {"name": "bashrc"},
-  {"name": "bash"},
   {"name": "student"},
-  {"name": "homework"},
   {"name": "student-question"},
-  {"name": "homework"},
   {"name": "sql-postgres"},
   {"name": "postgresql"},
   {"name": "classic-asp"},
@@ -6786,61 +5638,37 @@
   {"name": "void-pointer"},
   {"name": "void-pointers"},
   {"name": "segfault"},
-  {"name": "segmentation-fault"},
   {"name": "logger"},
-  {"name": "logging"},
   {"name": "ia32"},
-  {"name": "x86"},
   {"name": "sql-statement"},
-  {"name": "sql"},
   {"name": "ccrc"},
   {"name": "clearcase-remote-client"},
   {"name": "singleton-class"},
-  {"name": "singleton"},
   {"name": "language-independent"},
   {"name": "language-agnostic"},
   {"name": "wildcards"},
   {"name": "wildcard"},
   {"name": "80x86"},
-  {"name": "x86"},
   {"name": "vbhtml"},
-  {"name": "razor"},
   {"name": "cshtml"},
-  {"name": "razor"},
   {"name": "cpp"},
-  {"name": "c++"},
   {"name": "drscheme"},
-  {"name": "racket"},
   {"name": "plt-scheme"},
-  {"name": "racket"},
   {"name": "web-part"},
   {"name": "web-parts"},
   {"name": "webpartzone"},
-  {"name": "web-parts"},
   {"name": "visual-web-part"},
-  {"name": "web-parts"},
   {"name": "sql-query"},
-  {"name": "sql"},
   {"name": "random-string-generator"},
-  {"name": "random"},
   {"name": "random-string"},
-  {"name": "random"},
   {"name": "random-alpha-generator"},
-  {"name": "random"},
   {"name": "rand"},
-  {"name": "random"},
   {"name": "random-number"},
-  {"name": "random"},
   {"name": "random-numbers"},
-  {"name": "random"},
   {"name": "random-generator"},
-  {"name": "random"},
   {"name": "pseudo-random-numbers"},
-  {"name": "random"},
   {"name": "random-number-generator"},
-  {"name": "random"},
   {"name": "template-function"},
-  {"name": "function-templates"},
   {"name": "image-resize"},
   {"name": "image-resizing"},
   {"name": "oss"},
@@ -6856,53 +5684,39 @@
   {"name": "stl-containers"},
   {"name": "stl"},
   {"name": "performance-comparison"},
-  {"name": "performance"},
   {"name": "404"},
   {"name": "http-status-code-404"},
   {"name": "file-operations"},
-  {"name": "file-io"},
   {"name": "prime-number"},
   {"name": "primes"},
   {"name": "optimizing"},
-  {"name": "optimization"},
   {"name": "merging"},
   {"name": "merge"},
   {"name": "wpf-toolkit"},
   {"name": "wpftoolkit"},
   {"name": "database-structure"},
-  {"name": "database"},
   {"name": "structures"},
   {"name": "structure"},
   {"name": "book-exercise"},
-  {"name": "homework"},
   {"name": "programming-exercise"},
-  {"name": "homework"},
   {"name": "exercises"},
-  {"name": "homework"},
   {"name": "multicore-programming"},
   {"name": "multicore"},
   {"name": ".net-cf"},
-  {"name": "compact-framework"},
   {"name": "apple-ios"},
-  {"name": "ios"},
   {"name": "arithmetic"},
   {"name": "math"},
   {"name": "mathematical"},
-  {"name": "math"},
   {"name": "open-office"},
   {"name": "openoffice.org"},
   {"name": "object-file"},
   {"name": "object-files"},
   {"name": "slow"},
-  {"name": "performance"},
   {"name": "url-shortening"},
-  {"name": "url-shortener"},
   {"name": "apache-tomcat"},
   {"name": "tomcat"},
   {"name": "parallel-programming"},
-  {"name": "parallel-processing"},
   {"name": "fast"},
-  {"name": "performance"},
   {"name": "richtextformat"},
   {"name": "rtf"},
   {"name": "asp.net-webmethod"},
@@ -6910,23 +5724,18 @@
   {"name": "sandboxing"},
   {"name": "sandbox"},
   {"name": "oops"},
-  {"name": "oop"},
   {"name": "facebook-graph"},
   {"name": "facebook-graph-api"},
   {"name": "facebook-connect"},
-  {"name": "facebook"},
   {"name": "kvo"},
   {"name": "key-value-observing"},
   {"name": "hexadecimal"},
-  {"name": "hex"},
   {"name": "programming-terms"},
-  {"name": "terminology"},
   {"name": "bfs"},
   {"name": "breadth-first-search"},
   {"name": "dnn5"},
   {"name": "dotnetnuke-5"},
   {"name": "mysql-query"},
-  {"name": "mysql"},
   {"name": "codecs"},
   {"name": "codec"},
   {"name": "crypto"},
@@ -6940,7 +5749,6 @@
   {"name": "phpdoctrine"},
   {"name": "doctrine"},
   {"name": "traversing"},
-  {"name": "traversal"},
   {"name": "weakreference"},
   {"name": "weak-references"},
   {"name": "softreference"},
@@ -6948,15 +5756,11 @@
   {"name": "ci"},
   {"name": "continuous-integration"},
   {"name": "xhr"},
-  {"name": "xmlhttprequest"},
   {"name": "x64"},
-  {"name": "64-bit"},
   {"name": "decryption"},
-  {"name": "encryption"},
   {"name": "ha"},
   {"name": "high-availability"},
   {"name": "test-driven"},
-  {"name": "tdd"},
   {"name": "sso"},
   {"name": "single-sign-on"},
   {"name": "gmaps"},
@@ -6964,29 +5768,21 @@
   {"name": "pdt"},
   {"name": "eclipse-pdt"},
   {"name": "computer-graphics"},
-  {"name": "graphics"},
   {"name": "processing.org"},
   {"name": "processing"},
   {"name": "mvc3"},
-  {"name": "asp.net-mvc-3"},
   {"name": "cache-coherence"},
-  {"name": "caching"},
   {"name": "httpservletresponse"},
-  {"name": "servlets"},
   {"name": "httpservletrequest"},
-  {"name": "servlets"},
   {"name": "piglatin"},
-  {"name": "apache-pig"},
   {"name": "aspect-oriented"},
   {"name": "aop"},
   {"name": "learn"},
   {"name": "learning"},
   {"name": "dwmapi"},
-  {"name": "dwm"},
   {"name": "sequence-point"},
   {"name": "sequence-points"},
   {"name": "swf"},
-  {"name": "flash"},
   {"name": "forxml"},
   {"name": "for-xml"},
   {"name": "websockets"},
@@ -7002,7 +5798,6 @@
   {"name": "code-audit"},
   {"name": "code-review"},
   {"name": "j2ee"},
-  {"name": "jakarta-ee"},
   {"name": "code-only"},
   {"name": "code-first"},
   {"name": "nsnotification"},
@@ -7010,29 +5805,21 @@
   {"name": "google-adsense"},
   {"name": "adsense"},
   {"name": "win32api"},
-  {"name": "winapi"},
   {"name": "serialize"},
-  {"name": "serialization"},
   {"name": "cmd.exe"},
   {"name": "cmd"},
   {"name": "jquery-animation"},
-  {"name": "jquery-animate"},
   {"name": "jquery-grid"},
   {"name": "jqgrid"},
   {"name": "appengine"},
-  {"name": "google-app-engine"},
   {"name": "facebook-java-sdk"},
   {"name": "facebook-java-api"},
   {"name": "facebook-fanpage"},
   {"name": "facebook-page"},
   {"name": "graph-api"},
-  {"name": "facebook-graph-api"},
   {"name": "facebook-application"},
-  {"name": "facebook"},
   {"name": "gem"},
-  {"name": "rubygems"},
   {"name": "url-encoding"},
-  {"name": "urlencode"},
   {"name": "cs"},
   {"name": "computer-science"},
   {"name": "docs"},
@@ -7040,23 +5827,18 @@
   {"name": "kernel-programming"},
   {"name": "kernel"},
   {"name": "ruby-on-rails-gems"},
-  {"name": "rubygems"},
   {"name": "sql-developer"},
   {"name": "oracle-sqldeveloper"},
   {"name": "mongo"},
-  {"name": "mongodb"},
   {"name": "10g"},
   {"name": "oracle10g"},
   {"name": "performance-tuning"},
-  {"name": "performance"},
   {"name": "todos"},
   {"name": "todo"},
   {"name": "modelbinder"},
-  {"name": "modelbinders"},
   {"name": "adl"},
   {"name": "argument-dependent-lookup"},
   {"name": "stats"},
-  {"name": "statistics"},
   {"name": "memoize"},
   {"name": "memoization"},
   {"name": "minification"},
@@ -7066,71 +5848,47 @@
   {"name": "out-parameter"},
   {"name": "out-parameters"},
   {"name": "perfomance"},
-  {"name": "performance"},
   {"name": "ext-gwt"},
   {"name": "gxt"},
   {"name": "pil"},
-  {"name": "python-imaging-library"},
   {"name": "xss-prevention"},
   {"name": "xss"},
   {"name": "mina"},
   {"name": "apache-mina"},
   {"name": "encrypt"},
-  {"name": "encryption"},
   {"name": "uninitialized"},
   {"name": "initialization"},
   {"name": "ipad-sdk"},
-  {"name": "ipad"},
   {"name": "facebook-sdk"},
-  {"name": "facebook"},
   {"name": "twitter-api"},
-  {"name": "twitter"},
   {"name": "sound-api"},
-  {"name": "audio"},
   {"name": "paypal-api"},
-  {"name": "paypal"},
   {"name": "lambda-expressions"},
-  {"name": "lambda"},
   {"name": "dsp"},
   {"name": "signal-processing"},
   {"name": "commands"},
   {"name": "command"},
   {"name": "while"},
-  {"name": "while-loop"},
   {"name": "flex-sdk"},
   {"name": "apache-flex"},
   {"name": "shell-commands"},
-  {"name": "shell"},
   {"name": "shell-command"},
-  {"name": "shell"},
   {"name": "shell-scripting"},
-  {"name": "shell"},
   {"name": "opengles"},
   {"name": "opengl-es"},
   {"name": "rewriterule"},
-  {"name": "mod-rewrite"},
   {"name": "rewritecond"},
-  {"name": "mod-rewrite"},
   {"name": "rewriteengine"},
-  {"name": "mod-rewrite"},
   {"name": "coding-standards"},
-  {"name": "coding-style"},
   {"name": "coding-convention"},
-  {"name": "coding-style"},
   {"name": "xsltransform"},
-  {"name": "xslt"},
   {"name": "computational-linguistics"},
-  {"name": "nlp"},
   {"name": "joda"},
   {"name": "jodatime"},
   {"name": "hyperlinks"},
-  {"name": "hyperlink"},
   {"name": "link"},
-  {"name": "hyperlink"},
   {"name": "dnn"},
-  {"name": "dotnetnuke"},
   {"name": "android-sdk"},
-  {"name": "android"},
   {"name": "google-web-toolkit"},
   {"name": "gwt"},
   {"name": "google-guice"},
@@ -7138,21 +5896,17 @@
   {"name": "multitenancy"},
   {"name": "multi-tenant"},
   {"name": "unix-programming"},
-  {"name": "unix"},
   {"name": "decorators"},
   {"name": "decorator"},
   {"name": "static-library"},
   {"name": "static-libraries"},
   {"name": "dynamic-link-library"},
-  {"name": "dll"},
   {"name": "performance-issues"},
-  {"name": "performance"},
   {"name": "transformations"},
   {"name": "transformation"},
   {"name": "duplicate-code"},
   {"name": "code-duplication"},
   {"name": "threadsafe"},
-  {"name": "thread-safety"},
   {"name": "report-viewer"},
   {"name": "reportviewer"},
   {"name": "lookup-table"},
@@ -7166,15 +5920,12 @@
   {"name": "component"},
   {"name": "components"},
   {"name": "dialogs"},
-  {"name": "dialog"},
   {"name": "streams"},
   {"name": "stream"},
   {"name": "trees"},
   {"name": "tree"},
   {"name": "downloads"},
-  {"name": "download"},
   {"name": "eclipse-plugins"},
-  {"name": "eclipse-plugin"},
   {"name": "inserts"},
   {"name": "insert"},
   {"name": "migrations"},
@@ -7186,7 +5937,6 @@
   {"name": "datasets"},
   {"name": "dataset"},
   {"name": "trigger"},
-  {"name": "triggers"},
   {"name": "menus"},
   {"name": "menu"},
   {"name": "vectors"},
@@ -7194,27 +5944,20 @@
   {"name": "uploads"},
   {"name": "upload"},
   {"name": "webform"},
-  {"name": "webforms"},
   {"name": "prototypes"},
   {"name": "prototype"},
   {"name": "websites"},
-  {"name": "web"},
   {"name": "redirects"},
-  {"name": "redirect"},
   {"name": "bindings"},
   {"name": "binding"},
   {"name": "services"},
   {"name": "service"},
   {"name": "joins"},
-  {"name": "join"},
   {"name": "encodings"},
   {"name": "encoding"},
   {"name": "layouts"},
-  {"name": "layout"},
   {"name": "animations"},
-  {"name": "animation"},
   {"name": "videos"},
-  {"name": "video"},
   {"name": "objects"},
   {"name": "object"},
   {"name": "tables"},
@@ -7222,13 +5965,11 @@
   {"name": "urls"},
   {"name": "url"},
   {"name": "optimizations"},
-  {"name": "optimization"},
   {"name": "errors"},
   {"name": "error"},
   {"name": "apis"},
   {"name": "api"},
   {"name": "validations"},
-  {"name": "validation"},
   {"name": "ast"},
   {"name": "abstract-syntax-tree"},
   {"name": "orthogonality"},
@@ -7236,7 +5977,6 @@
   {"name": "integral-promotion"},
   {"name": "integer-promotion"},
   {"name": "mssql2008"},
-  {"name": "sql-server-2008"},
   {"name": "model-view-viewmodel"},
   {"name": "mvvm"},
   {"name": "hotlink"},
@@ -7246,15 +5986,11 @@
   {"name": "paradigm"},
   {"name": "paradigms"},
   {"name": "programming-paradigms"},
-  {"name": "paradigms"},
   {"name": "win32"},
-  {"name": "winapi"},
   {"name": "iframes"},
   {"name": "iframe"},
   {"name": "deserialize"},
-  {"name": "serialization"},
   {"name": "unserialize"},
-  {"name": "serialization"},
   {"name": "headers"},
   {"name": "header"},
   {"name": "as2"},
@@ -7266,11 +6002,9 @@
   {"name": "filesystem"},
   {"name": "filesystems"},
   {"name": "webcrawling"},
-  {"name": "web-crawler"},
   {"name": "monad"},
   {"name": "monads"},
   {"name": "google-calendar"},
-  {"name": "google-calendar-api"},
   {"name": "payments"},
   {"name": "payment"},
   {"name": "null-object"},
@@ -7282,23 +6016,19 @@
   {"name": "test"},
   {"name": "testing"},
   {"name": "tests"},
-  {"name": "testing"},
   {"name": "3gs"},
   {"name": "iphone-3gs"},
   {"name": "combination"},
   {"name": "combinations"},
   {"name": "shell-script"},
-  {"name": "shell"},
   {"name": "d3d"},
   {"name": "direct3d"},
   {"name": "minifier"},
-  {"name": "minify"},
   {"name": "userscript"},
   {"name": "userscripts"},
   {"name": "windows-2008-r2"},
   {"name": "windows-server-2008-r2"},
   {"name": "sqllite"},
-  {"name": "sqlite"},
   {"name": "diagnostic"},
   {"name": "diagnostics"},
   {"name": "dependencyproperty"},
@@ -7306,21 +6036,16 @@
   {"name": "type-casting"},
   {"name": "casting"},
   {"name": "vc++.net"},
-  {"name": "visual-c++"},
   {"name": "try-catch-throw"},
   {"name": "try-catch"},
   {"name": "try-statement"},
-  {"name": "try-catch"},
   {"name": "ccnet-config"},
   {"name": "cruisecontrol.net"},
   {"name": "kata"},
   {"name": "code-kata"},
   {"name": "concurrent"},
-  {"name": "concurrency"},
   {"name": "catch"},
-  {"name": "try-catch"},
   {"name": "try"},
-  {"name": "try-catch"},
   {"name": "flow-of-control"},
   {"name": "control-flow"},
   {"name": "generators"},
@@ -7332,7 +6057,6 @@
   {"name": "association"},
   {"name": "associations"},
   {"name": "cronjob"},
-  {"name": "cron"},
   {"name": "xp"},
   {"name": "windows-xp"},
   {"name": "literal"},
@@ -7342,29 +6066,19 @@
   {"name": "load-balancer"},
   {"name": "load-balancing"},
   {"name": "load-balance"},
-  {"name": "load-balancing"},
   {"name": "system-directoryservices"},
   {"name": "directoryservices"},
   {"name": "system.directoryservices"},
-  {"name": "directoryservices"},
   {"name": "character-escaping"},
   {"name": "escaping"},
   {"name": "double-escaping"},
-  {"name": "escaping"},
   {"name": "string-escaping"},
-  {"name": "escaping"},
   {"name": "unescape"},
-  {"name": "escaping"},
   {"name": "escaped"},
-  {"name": "escaping"},
   {"name": "escape-character"},
-  {"name": "escaping"},
   {"name": "escape-sequence"},
-  {"name": "escaping"},
   {"name": "escaped-characters"},
-  {"name": "escaping"},
   {"name": "escape"},
-  {"name": "escaping"},
   {"name": "ado.net-data-services"},
   {"name": "wcf-data-services"},
   {"name": "pubsub"},
@@ -7372,11 +6086,9 @@
   {"name": "apache-cxf"},
   {"name": "cxf"},
   {"name": "multiple-languages"},
-  {"name": "multilingual"},
   {"name": "paths"},
   {"name": "path"},
   {"name": "autowiring"},
-  {"name": "autowired"},
   {"name": "prototype.js"},
   {"name": "prototypejs"},
   {"name": "microisv"},
@@ -7384,29 +6096,21 @@
   {"name": "change-log"},
   {"name": "changelog"},
   {"name": "boostshared-ptr"},
-  {"name": "shared-ptr"},
   {"name": "global-interpreter-lock"},
-  {"name": "gil"},
   {"name": "serialized"},
-  {"name": "serialization"},
   {"name": "serializing"},
-  {"name": "serialization"},
   {"name": "serialze"},
-  {"name": "serialization"},
   {"name": "serialisation"},
-  {"name": "serialization"},
   {"name": ".jar"},
   {"name": "jar"},
   {"name": ".each"},
   {"name": "each"},
   {"name": "foreach-loop"},
-  {"name": "foreach"},
   {"name": "clllocation"},
   {"name": "cllocation"},
   {"name": "language-constructs"},
   {"name": "language-construct"},
   {"name": "constant"},
-  {"name": "constants"},
   {"name": "doublebuffered"},
   {"name": "double-buffering"},
   {"name": "restful-wcf"},
@@ -7416,7 +6120,6 @@
   {"name": "2038"},
   {"name": "year2038"},
   {"name": "y2k38"},
-  {"name": "year2038"},
   {"name": "actions"},
   {"name": "action"},
   {"name": "actionlinks"},
@@ -7444,21 +6147,16 @@
   {"name": "sevenzip"},
   {"name": "7zip"},
   {"name": "7z"},
-  {"name": "7zip"},
   {"name": "fulltrust"},
   {"name": "full-trust"},
   {"name": "cast"},
-  {"name": "casting"},
   {"name": "camelcase"},
   {"name": "camelcasing"},
   {"name": "compilation-errors"},
   {"name": "compiler-errors"},
   {"name": "compilation-error"},
-  {"name": "compiler-errors"},
   {"name": "compile-error"},
-  {"name": "compiler-errors"},
   {"name": "compile-errors"},
-  {"name": "compiler-errors"},
   {"name": "error-messages"},
   {"name": "error-message"},
   {"name": "error-codes"},
@@ -7474,29 +6172,22 @@
   {"name": "playstation3"},
   {"name": "ps3"},
   {"name": "mail"},
-  {"name": "email"},
   {"name": "management-studio"},
-  {"name": "ssms"},
   {"name": "sqlservermanagementstudio"},
-  {"name": "ssms"},
   {"name": "compiler-error"},
-  {"name": "compiler-errors"},
   {"name": "windows-2003"},
   {"name": "windows-server-2003"},
   {"name": "connectionpool"},
   {"name": "connection-pooling"},
   {"name": "ccnet"},
-  {"name": "cruisecontrol.net"},
   {"name": "collations"},
   {"name": "collation"},
   {"name": "java-swing"},
   {"name": "swing"},
   {"name": "debug"},
-  {"name": "debugging"},
   {"name": "linq2sql"},
   {"name": "linq-to-sql"},
   {"name": "javaws"},
-  {"name": "java-web-start"},
   {"name": "split-testing"},
   {"name": "ab-testing"},
   {"name": "sql-ansi"},
@@ -7510,7 +6201,6 @@
   {"name": "jaxb2"},
   {"name": "jaxb"},
   {"name": "javax.swing"},
-  {"name": "swing"},
   {"name": "ebooks"},
   {"name": "ebook"},
   {"name": "unix-time"},
@@ -7518,51 +6208,34 @@
   {"name": "memcache"},
   {"name": "memcached"},
   {"name": "cache"},
-  {"name": "caching"},
   {"name": "text-messages"},
-  {"name": "sms"},
   {"name": "text-message"},
-  {"name": "sms"},
   {"name": "xpath-expression"},
   {"name": "xpath"},
   {"name": "aspx"},
-  {"name": "asp.net"},
   {"name": "phusion-passenger"},
   {"name": "passenger"},
   {"name": "strings"},
-  {"name": "string"},
   {"name": "objective-c-2"},
   {"name": "objective-c-2.0"},
   {"name": "windows.forms"},
-  {"name": "winforms"},
   {"name": "equal"},
   {"name": "equals"},
   {"name": "iphone-app"},
-  {"name": "iphone"},
   {"name": "classifier"},
   {"name": "classification"},
   {"name": "self-development"},
   {"name": "self-improvement"},
   {"name": "personal-development"},
-  {"name": "self-improvement"},
   {"name": "www"},
-  {"name": "web"},
   {"name": "windows-programming"},
-  {"name": "windows"},
   {"name": "non-const"},
-  {"name": "constants"},
   {"name": "typecast"},
-  {"name": "casting"},
   {"name": "mocks"},
-  {"name": "mocking"},
   {"name": "mock"},
-  {"name": "mocking"},
   {"name": "shared-library"},
-  {"name": "shared-libraries"},
   {"name": "java-se"},
-  {"name": "java"},
   {"name": "classloaders"},
-  {"name": "classloader"},
   {"name": "dependency"},
   {"name": "dependencies"},
   {"name": "significant-figures"},
@@ -7572,49 +6245,35 @@
   {"name": "groovygrails"},
   {"name": "grails"},
   {"name": "software-testing"},
-  {"name": "testing"},
   {"name": "upload-file"},
-  {"name": "file-upload"},
   {"name": "functional-tests"},
   {"name": "functional-testing"},
   {"name": "website-testing"},
   {"name": "web-testing"},
   {"name": "gmake"},
-  {"name": "gnu-make"},
   {"name": "destructors"},
   {"name": "destructor"},
   {"name": "case-studies"},
   {"name": "case-study"},
   {"name": "spellchecker"},
-  {"name": "spell-checking"},
   {"name": "case-sensitivity"},
   {"name": "case-sensitive"},
   {"name": "preprocessor-abuse"},
   {"name": "preprocessor"},
   {"name": "preprocessor-directives"},
-  {"name": "preprocessor"},
   {"name": "preprocess"},
-  {"name": "preprocessor"},
   {"name": "preprocessing"},
-  {"name": "preprocessor"},
   {"name": "self-learning"},
-  {"name": "self-improvement"},
   {"name": "rs232"},
   {"name": "serial-port"},
   {"name": "circular-references"},
   {"name": "circular-reference"},
   {"name": "benchmarks"},
-  {"name": "benchmarking"},
   {"name": "benchmark"},
-  {"name": "benchmarking"},
   {"name": "autocompletion"},
-  {"name": "autocomplete"},
   {"name": "ado-net-data-services"},
-  {"name": "wcf-data-services"},
   {"name": "ado-net-dataservices"},
-  {"name": "wcf-data-services"},
   {"name": "local-variable"},
-  {"name": "local-variables"},
   {"name": "global-variable"},
   {"name": "global-variables"},
   {"name": "condition-variables"},
@@ -7630,7 +6289,6 @@
   {"name": "auto-generated"},
   {"name": "auto-generate"},
   {"name": "auto-generation"},
-  {"name": "auto-generate"},
   {"name": "dynamicbinding"},
   {"name": "dynamic-binding"},
   {"name": "dynamic-array"},
@@ -7644,11 +6302,9 @@
   {"name": "archetype"},
   {"name": "archetypes"},
   {"name": "batch-files"},
-  {"name": "batch-file"},
   {"name": "managers"},
   {"name": "manager"},
   {"name": "passing-by-reference"},
-  {"name": "pass-by-reference"},
   {"name": "session-cookie"},
   {"name": "session-cookies"},
   {"name": "credit-cards"},
@@ -7664,19 +6320,13 @@
   {"name": "mockup"},
   {"name": "mockups"},
   {"name": "symbolic-link"},
-  {"name": "symlink"},
   {"name": "accent"},
-  {"name": "diacritics"},
   {"name": "concatenate"},
-  {"name": "concatenation"},
   {"name": "dojox"},
-  {"name": "dojo"},
   {"name": "dijit"},
-  {"name": "dojo"},
   {"name": "nosetests"},
   {"name": "nose"},
   {"name": "python-nose"},
-  {"name": "nose"},
   {"name": "timers"},
   {"name": "timer"},
   {"name": "social-network"},
@@ -7684,7 +6334,6 @@
   {"name": "interoperability"},
   {"name": "interop"},
   {"name": "iphone-development"},
-  {"name": "iphone"},
   {"name": "analysis-services"},
   {"name": "ssas"},
   {"name": "p4"},
@@ -7692,7 +6341,6 @@
   {"name": "semantic-meaning"},
   {"name": "semantics"},
   {"name": "javascript-execution"},
-  {"name": "javascript"},
   {"name": "inputs"},
   {"name": "input"},
   {"name": "input-output"},
@@ -7702,15 +6350,11 @@
   {"name": "interfaces"},
   {"name": "interface"},
   {"name": "iterators"},
-  {"name": "iterator"},
   {"name": "type"},
-  {"name": "types"},
   {"name": "aws-s3"},
-  {"name": "amazon-s3"},
   {"name": "deploy"},
   {"name": "deployment"},
   {"name": "cross-site-scripting"},
-  {"name": "xss"},
   {"name": "wm5"},
   {"name": "windows-mobile-5.0"},
   {"name": "classes"},
@@ -7718,15 +6362,12 @@
   {"name": "aptana-studio"},
   {"name": "aptana"},
   {"name": "uml-modelling"},
-  {"name": "uml"},
   {"name": "coldfusion-mx"},
   {"name": "coldfusion-6"},
   {"name": "levenshtein"},
   {"name": "levenshtein-distance"},
   {"name": "color"},
-  {"name": "colors"},
   {"name": "autoloading"},
-  {"name": "autoload"},
   {"name": "reactive-extensions"},
   {"name": "system.reactive"},
   {"name": "mbean"},
@@ -7734,35 +6375,26 @@
   {"name": "image-maps"},
   {"name": "imagemap"},
   {"name": "levenstein"},
-  {"name": "levenshtein-distance"},
   {"name": "boost-bjam"},
-  {"name": "bjam"},
   {"name": "gwt-uibinder"},
   {"name": "uibinder"},
   {"name": "adobe-air"},
   {"name": "air"},
   {"name": "asm"},
-  {"name": "assembly"},
   {"name": "protobuf"},
-  {"name": "protocol-buffers"},
   {"name": "perl-xs"},
   {"name": "xs"},
   {"name": "microsoft-dynamics-ax"},
-  {"name": "axapta"},
   {"name": "dynamics-ax"},
-  {"name": "axapta"},
   {"name": "technique"},
   {"name": "techniques"},
   {"name": "delphi-2011"},
   {"name": "delphi-xe"},
   {"name": "xsl"},
-  {"name": "xslt"},
   {"name": "ejb2"},
   {"name": "ejb-2.x"},
   {"name": "visual-studio-2010-rtm"},
-  {"name": "visual-studio-2010"},
   {"name": "dlls"},
-  {"name": "dll"},
   {"name": "webflow2"},
   {"name": "spring-webflow-2"},
   {"name": "college"},
@@ -7770,9 +6402,7 @@
   {"name": "11g"},
   {"name": "oracle11g"},
   {"name": "webapp"},
-  {"name": "web-applications"},
   {"name": "webapps"},
-  {"name": "web-applications"},
   {"name": "tpl"},
   {"name": "task-parallel-library"},
   {"name": "non-determinism"},
@@ -7792,13 +6422,9 @@
   {"name": "wordpress-themes"},
   {"name": "wordpress-theming"},
   {"name": "vulnerabilities"},
-  {"name": "security"},
   {"name": "vulnerability"},
-  {"name": "security"},
   {"name": "c#-language"},
-  {"name": "c#"},
   {"name": "cryptographic"},
-  {"name": "cryptography"},
   {"name": "binary-trees"},
   {"name": "binary-tree"},
   {"name": "feature"},
@@ -7814,23 +6440,17 @@
   {"name": "attribute"},
   {"name": "attributes"},
   {"name": "compilers"},
-  {"name": "compiler-construction"},
   {"name": "tcpip"},
-  {"name": "tcp"},
   {"name": "mvc.net"},
-  {"name": "asp.net-mvc"},
   {"name": "plotting"},
   {"name": "plot"},
   {"name": "network"},
-  {"name": "networking"},
   {"name": "print"},
   {"name": "printing"},
   {"name": "printer"},
-  {"name": "printing"},
   {"name": "myth-busting"},
   {"name": "myths"},
   {"name": "async"},
-  {"name": "asynchronous"},
   {"name": "dotnetopenid"},
   {"name": "dotnetopenauth"},
   {"name": "cookie"},
@@ -7844,43 +6464,30 @@
   {"name": "windows-identity-foundati"},
   {"name": "wif"},
   {"name": "makefiles"},
-  {"name": "makefile"},
   {"name": "bash-script"},
-  {"name": "bash"},
   {"name": "linking"},
   {"name": "linker"},
   {"name": "jws"},
-  {"name": "java-web-start"},
   {"name": "functions"},
-  {"name": "function"},
   {"name": "facebook-api"},
-  {"name": "facebook"},
   {"name": "htmlhelp"},
   {"name": "chm"},
   {"name": "fpc"},
   {"name": "freepascal"},
   {"name": "secure"},
-  {"name": "security"},
   {"name": "google-collections"},
-  {"name": "guava"},
   {"name": "salesforce.com"},
   {"name": "salesforce"},
   {"name": "windsor"},
   {"name": "castle-windsor"},
   {"name": "gc"},
-  {"name": "garbage-collection"},
   {"name": "sccs"},
   {"name": "version-control"},
   {"name": "source-code-control"},
-  {"name": "version-control"},
   {"name": "scc"},
-  {"name": "version-control"},
   {"name": "x-window-system"},
-  {"name": "x11"},
   {"name": "machine-vision"},
-  {"name": "computer-vision"},
   {"name": "digital-signal-processing"},
-  {"name": "signal-processing"},
   {"name": "python-modules"},
   {"name": "python-module"},
   {"name": "modules"},
@@ -7894,15 +6501,12 @@
   {"name": "hsql"},
   {"name": "hsqldb"},
   {"name": "subprocesses"},
-  {"name": "subprocess"},
   {"name": "overload"},
-  {"name": "overloading"},
   {"name": "raphael-js"},
   {"name": "raphael"},
   {"name": "portlets"},
   {"name": "portlet"},
   {"name": "spring-framework"},
-  {"name": "spring"},
   {"name": "codepage"},
   {"name": "codepages"},
   {"name": "keyboards"},
@@ -7918,19 +6522,14 @@
   {"name": "bzr"},
   {"name": "bazaar"},
   {"name": "lists"},
-  {"name": "list"},
   {"name": "callbacks"},
   {"name": "callback"},
   {"name": "immutable"},
-  {"name": "immutability"},
   {"name": "jars"},
-  {"name": "jar"},
   {"name": "apache-derby"},
   {"name": "derby"},
   {"name": "natural-language"},
-  {"name": "nlp"},
   {"name": "natural-language-process"},
-  {"name": "nlp"},
   {"name": "expression-engine"},
   {"name": "expressionengine"},
   {"name": "wwf"},
@@ -7938,17 +6537,13 @@
   {"name": "matrices"},
   {"name": "matrix"},
   {"name": "patches"},
-  {"name": "patch"},
   {"name": "dcvs"},
   {"name": "dvcs"},
   {"name": "db"},
-  {"name": "database"},
   {"name": "yii-framework"},
-  {"name": "yii"},
   {"name": "hooks"},
   {"name": "hook"},
   {"name": "hooking"},
-  {"name": "hook"},
   {"name": "primitives"},
   {"name": "primitive"},
   {"name": "backus-naur-form"},
@@ -7956,45 +6551,34 @@
   {"name": "jquery-selector"},
   {"name": "jquery-selectors"},
   {"name": "bitwise-operations"},
-  {"name": "bitwise-operators"},
   {"name": "constructors"},
   {"name": "constructor"},
   {"name": "phone-numbers"},
   {"name": "phone-number"},
   {"name": "iphone-os"},
-  {"name": "ios"},
   {"name": "iphone-os-4.0"},
-  {"name": "ios4"},
   {"name": "iphone-os-4"},
-  {"name": "ios4"},
   {"name": "form"},
-  {"name": "forms"},
   {"name": "pgsql"},
-  {"name": "postgresql"},
   {"name": "portable"},
   {"name": "portability"},
   {"name": "iphone-sdk"},
-  {"name": "iphone"},
   {"name": "acegi"},
   {"name": "spring-security"},
   {"name": "event-handlers"},
   {"name": "event-handling"},
   {"name": "event-handler"},
-  {"name": "event-handling"},
   {"name": "wizards"},
   {"name": "wizard"},
   {"name": "object-oriented"},
-  {"name": "oop"},
   {"name": "linq-to-object"},
   {"name": "linq-to-objects"},
   {"name": "sql-to-linq"},
-  {"name": "linq-to-sql"},
   {"name": "email-attachment"},
   {"name": "email-attachments"},
   {"name": "dlinq"},
   {"name": "dynamic-linq"},
   {"name": "linq-entity-framework"},
-  {"name": "entity-framework"},
   {"name": "linq2nhibernate"},
   {"name": "linq-to-nhibernate"},
   {"name": "data-generators"},
@@ -8002,7 +6586,6 @@
   {"name": "strong-naming"},
   {"name": "strongname"},
   {"name": "strong-name"},
-  {"name": "strongname"},
   {"name": "strongly-typed-datasets"},
   {"name": "strongly-typed-dataset"},
   {"name": "delayed"},
@@ -8012,33 +6595,22 @@
   {"name": "ctrl-v"},
   {"name": "copy-paste"},
   {"name": "ctrl-c"},
-  {"name": "copy-paste"},
   {"name": "ctor"},
-  {"name": "constructor"},
   {"name": "jsdebug"},
   {"name": "javascript-debugger"},
   {"name": ".js"},
-  {"name": "javascript"},
   {"name": "open-source-contribution"},
-  {"name": "open-source"},
   {"name": "open-source-projects"},
-  {"name": "open-source"},
   {"name": "peer-to-peer"},
   {"name": "p2p"},
   {"name": "vbs"},
   {"name": "vbscript"},
   {"name": "career-advice"},
-  {"name": "career-development"},
   {"name": "career"},
-  {"name": "career-development"},
   {"name": "domains"},
-  {"name": "dns"},
   {"name": "maths"},
-  {"name": "math"},
   {"name": "exceptions"},
-  {"name": "exception"},
   {"name": "browsers"},
-  {"name": "browser"},
   {"name": "tab"},
   {"name": "tabs"},
   {"name": "shards"},
@@ -8046,13 +6618,9 @@
   {"name": "includes"},
   {"name": "include"},
   {"name": "include-files"},
-  {"name": "include"},
   {"name": ".dll"},
-  {"name": "dll"},
   {"name": ".csv"},
-  {"name": "csv"},
   {"name": "fulltext-searching"},
-  {"name": "full-text-search"},
   {"name": "t9n"},
   {"name": "translation"},
   {"name": "g11n"},
@@ -8060,39 +6628,27 @@
   {"name": "framework"},
   {"name": "frameworks"},
   {"name": "gae"},
-  {"name": "google-app-engine"},
   {"name": "deprecation"},
   {"name": "deprecated"},
   {"name": "initialize"},
-  {"name": "initialization"},
   {"name": "initialisation"},
-  {"name": "initialization"},
   {"name": "optimize"},
-  {"name": "optimization"},
   {"name": "localize"},
   {"name": "localization"},
   {"name": "localisation"},
-  {"name": "localization"},
   {"name": "optimisation"},
-  {"name": "optimization"},
   {"name": "globalisation"},
-  {"name": "globalization"},
   {"name": "authorisation"},
   {"name": "authorization"},
   {"name": "humour"},
   {"name": "fun"},
   {"name": "humor"},
-  {"name": "fun"},
   {"name": "thread"},
-  {"name": "multithreading"},
   {"name": "windows-batch"},
-  {"name": "batch-file"},
   {"name": "permutations"},
   {"name": "permutation"},
   {"name": "nativeclient"},
-  {"name": "google-nativeclient"},
   {"name": "google-nacl"},
-  {"name": "google-nativeclient"},
   {"name": "code-smells"},
   {"name": "code-smell"},
   {"name": "deadline"},
@@ -8102,17 +6658,13 @@
   {"name": "graphs"},
   {"name": "graph"},
   {"name": "vcs"},
-  {"name": "version-control"},
   {"name": "restful-web-services"},
-  {"name": "rest"},
   {"name": ".avi"},
   {"name": "avi"},
   {"name": ".ajax"},
-  {"name": "ajax"},
   {"name": ".ini"},
   {"name": "ini"},
   {"name": "visual-basic-applications"},
-  {"name": "vba"},
   {"name": "apache-ant"},
   {"name": "ant"},
   {"name": "adobe-flex-3"},
@@ -8122,11 +6674,8 @@
   {"name": "vb6-conversion"},
   {"name": "vb6-migration"},
   {"name": "vb-to-vb.net"},
-  {"name": "vb6-migration"},
   {"name": "microsoft-lightswitch"},
-  {"name": "visual-studio-lightswitch"},
   {"name": "lightswitch"},
-  {"name": "visual-studio-lightswitch"},
   {"name": "jboss-netty"},
   {"name": "netty"},
   {"name": "refactor"},
@@ -8138,23 +6687,17 @@
   {"name": "emacs-lisp"},
   {"name": "elisp"},
   {"name": "crystal"},
-  {"name": "crystal-reports"},
   {"name": "enum"},
-  {"name": "enums"},
   {"name": "cc.net"},
-  {"name": "cruisecontrol.net"},
   {"name": "tif"},
   {"name": "tiff"},
   {"name": "sql-reporting-services"},
-  {"name": "reporting-services"},
   {"name": "reportingservices-2008"},
   {"name": "ssrs-2008"},
   {"name": "ssrs-2005"},
   {"name": "reportingservices-2005"},
   {"name": "ssrs"},
-  {"name": "reporting-services"},
   {"name": "mathematics"},
-  {"name": "math"},
   {"name": "algorithm-design"},
   {"name": "algorithm"},
   {"name": "windows-powershell"},
@@ -8162,11 +6705,8 @@
   {"name": "entlib"},
   {"name": "enterprise-library"},
   {"name": "css-layout"},
-  {"name": "css"},
   {"name": "phpdocumentor"},
-  {"name": "phpdoc"},
   {"name": "netriaservices"},
-  {"name": "wcf-ria-services"},
   {"name": "swing-worker"},
   {"name": "swingworker"},
   {"name": "ms-velocity"},
@@ -8176,97 +6716,67 @@
   {"name": "cloud-computing"},
   {"name": "cloud"},
   {"name": "azure-tables"},
-  {"name": "azure-table-storage"},
   {"name": "windows-azure"},
-  {"name": "azure"},
   {"name": "simpledb"},
   {"name": "amazon-simpledb"},
   {"name": "sqs"},
-  {"name": "amazon-sqs"},
   {"name": "s3"},
-  {"name": "amazon-s3"},
   {"name": "ec2"},
-  {"name": "amazon-ec2"},
   {"name": "branching"},
   {"name": "branch"},
   {"name": "branches"},
-  {"name": "branch"},
   {"name": "recursive"},
   {"name": "recursion"},
   {"name": "python3k"},
-  {"name": "python-3.x"},
   {"name": "py3k"},
-  {"name": "python-3.x"},
   {"name": "python-3"},
-  {"name": "python-3.x"},
   {"name": "ecmascript"},
-  {"name": "javascript"},
   {"name": "sort"},
-  {"name": "sorting"},
   {"name": "code-challenge"},
   {"name": "challenge"},
   {"name": "iobserver"},
-  {"name": "system.reactive"},
   {"name": "iobservable"},
-  {"name": "system.reactive"},
   {"name": "rx"},
-  {"name": "system.reactive"},
   {"name": "myphpadmin"},
   {"name": "phpmyadmin"},
   {"name": "object-relational-mapping"},
   {"name": "orm"},
   {"name": "intents"},
-  {"name": "android-intent"},
   {"name": "moss-2007"},
   {"name": "sharepoint-2007"},
   {"name": "fourier"},
-  {"name": "fft"},
   {"name": "conversions"},
   {"name": "conversion"},
   {"name": "web-spider"},
-  {"name": "web-crawler"},
   {"name": "webspiders"},
-  {"name": "web-crawler"},
   {"name": "anonymous-functions"},
   {"name": "anonymous-function"},
   {"name": "coverage"},
   {"name": "code-coverage"},
   {"name": "dot-net"},
-  {"name": ".net"},
   {"name": "question-colon"},
-  {"name": "conditional-operator"},
   {"name": "msie8"},
   {"name": "internet-explorer-8"},
   {"name": "sql2008"},
-  {"name": "sql-server-2008"},
   {"name": "mssql2005"},
   {"name": "sql-server-2005"},
   {"name": "sql2005"},
-  {"name": "sql-server-2005"},
   {"name": "sql2000"},
   {"name": "sql-server-2000"},
   {"name": "ms-sql-server"},
-  {"name": "sql-server"},
   {"name": "rst"},
   {"name": "restructuredtext"},
   {"name": "ttf"},
-  {"name": "truetype"},
   {"name": "ungreedy"},
   {"name": "non-greedy"},
   {"name": "adobe-flash"},
-  {"name": "flash"},
   {"name": "microsoft-dynamics-crm"},
   {"name": "dynamics-crm"},
   {"name": "mscrm"},
-  {"name": "dynamics-crm"},
   {"name": "django-queries"},
-  {"name": "django-queryset"},
   {"name": "django-modelformsets"},
-  {"name": "django-forms"},
   {"name": "django-modelforms"},
-  {"name": "django-forms"},
   {"name": "django-formsets"},
-  {"name": "django-forms"},
   {"name": "perlcritic"},
   {"name": "perl-critic"},
   {"name": "perltidy"},
@@ -8278,11 +6788,8 @@
   {"name": "pptx"},
   {"name": "powerpoint"},
   {"name": "ppt"},
-  {"name": "powerpoint"},
   {"name": "microsoft-powerpoint"},
-  {"name": "powerpoint"},
   {"name": "mspowerpoint"},
-  {"name": "powerpoint"},
   {"name": "ooxml"},
   {"name": "openxml"},
   {"name": "closure"},
@@ -8292,47 +6799,33 @@
   {"name": "vista-sidebar"},
   {"name": "windows-desktop-gadgets"},
   {"name": "vista-gadget"},
-  {"name": "windows-desktop-gadgets"},
   {"name": "looping"},
-  {"name": "loops"},
   {"name": "threads"},
-  {"name": "multithreading"},
   {"name": "object-oriented-design"},
-  {"name": "oop"},
   {"name": "jquery-plugin"},
   {"name": "jquery-plugins"},
   {"name": "zf"},
-  {"name": "zend-framework"},
   {"name": "wp7"},
-  {"name": "windows-phone-7"},
   {"name": "regexes"},
-  {"name": "regex"},
   {"name": "htaccess"},
-  {"name": ".htaccess"},
   {"name": "scripts"},
   {"name": "scripting"},
   {"name": "unit-test"},
-  {"name": "unit-testing"},
   {"name": "intellij"},
-  {"name": "intellij-idea"},
   {"name": "wf4.0"},
   {"name": "workflow-foundation-4"},
   {"name": "fsharp"},
   {"name": "f#"},
   {"name": "testdrivendevelopment"},
-  {"name": "tdd"},
   {"name": "parse"},
   {"name": "parsing"},
   {"name": "parsers"},
-  {"name": "parsing"},
   {"name": "parser"},
-  {"name": "parsing"},
   {"name": "netbeans-plugin"},
   {"name": "netbeans-plugins"},
   {"name": "lazy"},
   {"name": "lazy-evaluation"},
   {"name": "laziness"},
-  {"name": "lazy-evaluation"},
   {"name": "pthread"},
   {"name": "pthreads"},
   {"name": "struts-2"},
@@ -8346,13 +6839,10 @@
   {"name": "behaviours"},
   {"name": "behavior"},
   {"name": "behaviour"},
-  {"name": "behavior"},
   {"name": "behaviors"},
-  {"name": "behavior"},
   {"name": "disks"},
   {"name": "disk"},
   {"name": "images"},
-  {"name": "image"},
   {"name": "visualisation"},
   {"name": "visualization"},
   {"name": "question"},
@@ -8360,41 +6850,29 @@
   {"name": "searching"},
   {"name": "search"},
   {"name": "microsoft-word"},
-  {"name": "ms-word"},
   {"name": "microsoft-office-outlook"},
-  {"name": "outlook"},
   {"name": "ms-excel"},
-  {"name": "excel"},
   {"name": "windows-scripting-host"},
-  {"name": "wsh"},
   {"name": "cascading-style-sheet"},
-  {"name": "css"},
   {"name": "javascriptobject"},
   {"name": "javascript-objects"},
   {"name": "javascript-event"},
   {"name": "javascript-events"},
   {"name": "reporting-service"},
-  {"name": "reporting-services"},
   {"name": "dict"},
-  {"name": "dictionary"},
   {"name": "mime-type"},
-  {"name": "mime-types"},
   {"name": "orderby"},
-  {"name": "sql-order-by"},
   {"name": "connectionstrings"},
   {"name": "connection-string"},
   {"name": "data-structure"},
   {"name": "data-structures"},
   {"name": "windows-service"},
-  {"name": "windows-services"},
   {"name": "crystal-report"},
-  {"name": "crystal-reports"},
   {"name": "custom-control"},
   {"name": "custom-controls"},
   {"name": "memory-leak"},
   {"name": "memory-leaks"},
   {"name": "web-application"},
-  {"name": "web-applications"},
   {"name": "web-service"},
   {"name": "web-services"},
   {"name": "annotation"},
@@ -8418,87 +6896,60 @@
   {"name": "protocol"},
   {"name": "protocols"},
   {"name": "transaction"},
-  {"name": "transactions"},
   {"name": "number"},
   {"name": "numbers"},
   {"name": "collection"},
-  {"name": "collections"},
   {"name": "resource"},
   {"name": "resources"},
   {"name": "delegate"},
   {"name": "delegates"},
   {"name": "parameter"},
-  {"name": "parameters"},
   {"name": "tag"},
   {"name": "tags"},
   {"name": "namespace"},
-  {"name": "namespaces"},
   {"name": "password"},
   {"name": "passwords"},
   {"name": "pointer"},
-  {"name": "pointers"},
   {"name": "method"},
   {"name": "methods"},
   {"name": "loop"},
-  {"name": "loops"},
   {"name": "variable"},
-  {"name": "variables"},
   {"name": "event"},
   {"name": "events"},
   {"name": "array"},
-  {"name": "arrays"},
   {"name": "macro"},
-  {"name": "macros"},
   {"name": "stlstring"},
-  {"name": "stdstring"},
   {"name": "accessviolationexception"},
   {"name": "access-violation"},
   {"name": "objc"},
   {"name": "objective-c"},
   {"name": "fourier-transform"},
-  {"name": "fft"},
   {"name": "ce"},
   {"name": "windows-ce"},
   {"name": "winform"},
-  {"name": "winforms"},
   {"name": "asp.mvc"},
-  {"name": "asp.net-mvc"},
   {"name": ".net4"},
-  {"name": ".net-4.0"},
   {"name": "microsoft-office"},
   {"name": "ms-office"},
   {"name": "restful"},
-  {"name": "rest"},
   {"name": "my-sql"},
-  {"name": "mysql"},
   {"name": "socket-programming"},
-  {"name": "sockets"},
   {"name": "socket"},
-  {"name": "sockets"},
   {"name": "vs.net"},
-  {"name": "visual-studio"},
   {"name": "server-2008"},
   {"name": "windows-server-2008"},
   {"name": "windows-sidebar"},
-  {"name": "windows-desktop-gadgets"},
   {"name": "rstats"},
-  {"name": "r"},
   {"name": "wf-4"},
-  {"name": "workflow-foundation-4"},
   {"name": "subversion"},
   {"name": "svn"},
   {"name": "wf"},
-  {"name": "workflow-foundation"},
   {"name": "python-2"},
   {"name": "python-2.x"},
   {"name": "google-maps-api"},
-  {"name": "google-maps"},
   {"name": "android-mobile"},
-  {"name": "android"},
   {"name": "google-maps-v3"},
-  {"name": "google-maps-api-3"},
   {"name": "ios-4.0"},
-  {"name": "ios4"},
   {"name": "vs2008sp1"},
   {"name": "visual-studio-2008-sp1"},
   {"name": "redemption"},
@@ -8506,11 +6957,9 @@
   {"name": "aws"},
   {"name": "amazon-web-services"},
   {"name": "msil"},
-  {"name": "cil"},
   {"name": "h264"},
   {"name": "h.264"},
   {"name": "multi-threaded"},
-  {"name": "multithreading"},
   {"name": ".hgignore"},
   {"name": "hgignore"},
   {"name": "chrome-os"},
@@ -8520,89 +6969,60 @@
   {"name": "web.config"},
   {"name": "web-config"},
   {"name": "timezoneinfo"},
-  {"name": "timezone"},
   {"name": "timezones"},
-  {"name": "timezone"},
   {"name": "weblogic-9"},
   {"name": "weblogic-9.x"},
   {"name": "ie9"},
   {"name": "internet-explorer-9"},
   {"name": "ie8"},
-  {"name": "internet-explorer-8"},
   {"name": "ie7"},
-  {"name": "internet-explorer-7"},
   {"name": "ie6"},
-  {"name": "internet-explorer-6"},
   {"name": "chrome"},
   {"name": "google-chrome"},
   {"name": "golang"},
   {"name": "go"},
   {"name": "go-language"},
-  {"name": "go"},
   {"name": "as3"},
-  {"name": "actionscript-3"},
   {"name": "adobe-flex"},
-  {"name": "apache-flex"},
   {"name": "adobe-flex-2"},
   {"name": "flex-2"},
   {"name": "revision-control"},
-  {"name": "version-control"},
   {"name": "scm"},
-  {"name": "version-control"},
   {"name": "source-code-management"},
-  {"name": "version-control"},
   {"name": "vss"},
   {"name": "visual-sourcesafe"},
   {"name": "team-foundation-server"},
   {"name": "tfs"},
   {"name": "team-foundation"},
-  {"name": "tfs"},
   {"name": "team-foundation-build"},
-  {"name": "tfsbuild"},
   {"name": "win7"},
   {"name": "windows-7"},
   {"name": "windows-7-api"},
-  {"name": "windows-7"},
   {"name": "vista"},
   {"name": "windows-vista"},
   {"name": "winxp"},
-  {"name": "windows-xp"},
   {"name": "snow-leopard"},
-  {"name": "osx-snow-leopard"},
   {"name": "wince"},
-  {"name": "windows-ce"},
   {"name": "win2k3"},
-  {"name": "windows-server-2003"},
   {"name": "server-2003"},
-  {"name": "windows-server-2003"},
   {"name": "win2k8"},
-  {"name": "windows-server-2008"},
   {"name": "os"},
   {"name": "operating-system"},
   {"name": "operating-systems"},
-  {"name": "operating-system"},
   {"name": "macos10.6"},
-  {"name": "osx-snow-leopard"},
   {"name": "stored-procedure"},
   {"name": "stored-procedures"},
   {"name": "sproc"},
-  {"name": "stored-procedures"},
   {"name": "subqueries"},
-  {"name": "subquery"},
   {"name": "sql-compact"},
-  {"name": "sql-server-ce"},
   {"name": "sql-server-compact"},
-  {"name": "sql-server-ce"},
   {"name": "sql-mobile"},
-  {"name": "sql-server-ce"},
   {"name": "sql-express"},
   {"name": "sql-server-express"},
   {"name": "mssql"},
-  {"name": "sql-server"},
   {"name": "oracle10g-express"},
   {"name": "oracle-xe"},
   {"name": "oracle-express"},
-  {"name": "oracle-xe"},
   {"name": "embedded-db"},
   {"name": "embedded-database"},
   {"name": "clustered-indexing"},
@@ -8612,7 +7032,6 @@
   {"name": "multiple-primary-keys"},
   {"name": "composite-primary-key"},
   {"name": "databases"},
-  {"name": "database"},
   {"name": "data-warehousing"},
   {"name": "data-warehouse"},
   {"name": "bdb"},
@@ -8624,45 +7043,30 @@
   {"name": "app.config"},
   {"name": "app-config"},
   {"name": "ef"},
-  {"name": "entity-framework"},
   {"name": "ef4"},
   {"name": "entity-framework-4"},
   {"name": "window-form"},
-  {"name": "winforms"},
   {"name": "windows-form"},
-  {"name": "winforms"},
   {"name": "window-forms"},
-  {"name": "winforms"},
   {"name": "c#.net"},
-  {"name": "c#"},
   {"name": "asp-net-mvc2"},
   {"name": "asp.net-mvc-2"},
   {"name": "asp.net-mvc2"},
-  {"name": "asp.net-mvc-2"},
   {"name": "mvc2"},
-  {"name": "asp.net-mvc-2"},
   {"name": "asp-net"},
-  {"name": "asp.net"},
   {"name": "asp-net-mvc"},
-  {"name": "asp.net-mvc"},
   {"name": "ux"},
   {"name": "user-experience"},
   {"name": "units-of-measure"},
   {"name": "units-of-measurement"},
   {"name": "units"},
-  {"name": "units-of-measurement"},
   {"name": "windows-api"},
-  {"name": "winapi"},
   {"name": "single-responsibility"},
-  {"name": "single-responsibility-principle"},
   {"name": "template"},
   {"name": "templates"},
   {"name": "regexp"},
-  {"name": "regex"},
   {"name": "regular-expression"},
-  {"name": "regex"},
   {"name": "regular-expressions"},
-  {"name": "regex"},
   {"name": "plugin"},
   {"name": "plugins"},
   {"name": "operator"},
@@ -8670,45 +7074,31 @@
   {"name": "method-chains"},
   {"name": "method-chaining"},
   {"name": "method-chain"},
-  {"name": "method-chaining"},
   {"name": "mac-addr"},
   {"name": "mac-address"},
   {"name": "marshaling"},
   {"name": "marshalling"},
   {"name": "marshal"},
-  {"name": "marshalling"},
   {"name": "license-agreement"},
   {"name": "licensing"},
   {"name": "license-agreements"},
-  {"name": "licensing"},
   {"name": "l10n"},
-  {"name": "localization"},
   {"name": "liskov-substitution"},
-  {"name": "liskov-substitution-principle"},
   {"name": "licence-agreement"},
-  {"name": "licensing"},
   {"name": "licence-agreements"},
-  {"name": "licensing"},
   {"name": "license"},
-  {"name": "licensing"},
   {"name": "licenses"},
-  {"name": "licensing"},
   {"name": "key-binding"},
   {"name": "key-bindings"},
   {"name": "licence"},
-  {"name": "licensing"},
   {"name": "licences"},
-  {"name": "licensing"},
   {"name": "inheritence"},
-  {"name": "inheritance"},
   {"name": "i18n"},
   {"name": "internationalization"},
   {"name": "ioc"},
   {"name": "inversion-of-control"},
   {"name": "interprocess-communicatio"},
-  {"name": "ipc"},
   {"name": "if"},
-  {"name": "if-statement"},
   {"name": "programming-history"},
   {"name": "history"},
   {"name": "icon"},
@@ -8720,27 +7110,20 @@
   {"name": "daylight-savings-time"},
   {"name": "dst"},
   {"name": "daylight"},
-  {"name": "dst"},
   {"name": "duplicate"},
-  {"name": "duplicates"},
   {"name": "fix"},
   {"name": "fix-protocol"},
   {"name": "dont-repeat-yourself"},
   {"name": "dry"},
   {"name": "daylight-savings"},
-  {"name": "dst"},
   {"name": "conversation"},
   {"name": "discussion"},
   {"name": "conversations"},
-  {"name": "discussion"},
   {"name": "ddd"},
   {"name": "domain-driven-design"},
   {"name": "drag-drop"},
-  {"name": "drag-and-drop"},
   {"name": "discussions"},
-  {"name": "discussion"},
   {"name": "discuss"},
-  {"name": "discussion"},
   {"name": "dal"},
   {"name": "data-access-layer"},
   {"name": "di"},
@@ -8748,15 +7131,10 @@
   {"name": "snippets"},
   {"name": "code-snippets"},
   {"name": "snippet"},
-  {"name": "code-snippets"},
   {"name": "code-style"},
-  {"name": "coding-style"},
   {"name": "programming-style"},
-  {"name": "coding-style"},
   {"name": "xsrf"},
-  {"name": "csrf"},
   {"name": "code-snippet"},
-  {"name": "code-snippets"},
   {"name": "bit-field"},
   {"name": "bit-fields"},
   {"name": "baseclasses"},
@@ -8772,11 +7150,8 @@
   {"name": "visual-web"},
   {"name": "visual-web-developer"},
   {"name": "algorithms"},
-  {"name": "algorithm"},
   {"name": "msvc++"},
-  {"name": "visual-c++"},
   {"name": "msvc"},
-  {"name": "visual-c++"},
   {"name": "weblogic-11"},
   {"name": "weblogic-11g"},
   {"name": "eclipse-ganymede"},
@@ -8788,31 +7163,25 @@
   {"name": "weblogic-10"},
   {"name": "weblogic-10.x"},
   {"name": "weblogic10.x"},
-  {"name": "weblogic-10.x"},
   {"name": "tomcat-6"},
   {"name": "tomcat-6.0"},
   {"name": "weblogic-8"},
   {"name": "weblogic-8.x"},
   {"name": "weblogic-8.1"},
-  {"name": "weblogic-8.x"},
   {"name": "tomcat-5"},
   {"name": "tomcat-5.0"},
   {"name": "servlet"},
-  {"name": "servlets"},
   {"name": "servlet-filter"},
   {"name": "servlet-filters"},
   {"name": "jsp-fragment"},
   {"name": "jsp-fragments"},
   {"name": "jsp-f"},
-  {"name": "jsp-fragments"},
   {"name": "jspf"},
-  {"name": "jsp-fragments"},
   {"name": "jsf2.0"},
   {"name": "jsf-2"},
   {"name": "jsp-tag"},
   {"name": "jsp-tags"},
   {"name": "jsp-tag-files"},
-  {"name": "jsp-tags"},
   {"name": "jpa-2"},
   {"name": "jpa-2.0"},
   {"name": "java.io"},
@@ -8822,61 +7191,39 @@
   {"name": "jee-5"},
   {"name": "java-ee-5"},
   {"name": "jee"},
-  {"name": "jakarta-ee"},
   {"name": "java-6.0"},
-  {"name": "java-6"},
   {"name": "java-7.0"},
-  {"name": "java-7"},
   {"name": "java-5.0"},
-  {"name": "java-5"},
   {"name": "glassfish-v3"},
   {"name": "glassfish-3"},
   {"name": "ejb-3"},
   {"name": "ejb-3.0"},
   {"name": "applets"},
-  {"name": "applet"},
   {"name": "msie"},
   {"name": "internet-explorer"},
   {"name": "ie"},
-  {"name": "internet-explorer"},
   {"name": "j2me"},
-  {"name": "java-me"},
   {"name": "macosx"},
-  {"name": "macos"},
   {"name": "postgres"},
-  {"name": "postgresql"},
   {"name": "foreign-key"},
-  {"name": "foreign-keys"},
   {"name": "primary-keys"},
   {"name": "primary-key"},
   {"name": "vs2010"},
-  {"name": "visual-studio-2010"},
   {"name": "vs2005"},
   {"name": "visual-studio-2005"},
   {"name": "vs2008"},
   {"name": "visual-studio-2008"},
   {"name": "ui"},
-  {"name": "user-interface"},
   {"name": "blog"},
-  {"name": "blogs"},
   {"name": "source-control"},
-  {"name": "version-control"},
   {"name": "vc++"},
-  {"name": "visual-c++"},
   {"name": "js"},
-  {"name": "javascript"},
   {"name": "rails"},
-  {"name": "ruby-on-rails"},
   {"name": "multithread"},
-  {"name": "multithreading"},
   {"name": "threading"},
-  {"name": "multithreading"},
   {"name": "dotnet"},
-  {"name": ".net"},
   {"name": "hg"},
   {"name": "mercurial"},
   {"name": "c-sharp"},
-  {"name": "c#"},
-  {"name": "windows-forms"},
-  {"name": "winforms"}
+  {"name": "windows-forms"}
 ]
\ No newline at end of file
diff --git a/src/tag_source/stackoverflow.py b/src/tag_source/stackoverflow.py
index 0d5b88636632d596f118c679063a3d7a135b26e0..0c9ad50691ae1f1983cdad2a97e0f704d1e79f61 100644
--- a/src/tag_source/stackoverflow.py
+++ b/src/tag_source/stackoverflow.py
@@ -42,12 +42,17 @@ class TagPipeline(object):
         self.file = open('dataset/stackoverflow.tag.json', 'w')
         self.file.write('[\n')
         self.count = 0
+        self.tags = {}
 
     def close_spider(self, spider):
         self.file.write('\n]')
         self.file.close()
 
     def process_item(self, item, spider):
+        if self.tags.get(item['name']) is not None:
+            return
+        self.tags[item['name']] = True
+
         words = []
         if self.count>0:
             words.append(',\n')