NASA Metadata: tf-idf of Description Texts and Keywords
Posted
tags:
篇首语:本文由小常识网(cha138.com)小编为大家整理,主要介绍了NASA Metadata: tf-idf of Description Texts and Keywords相关的知识,希望对你有一定的参考价值。
鏍囩锛?a href='http://www.mamicode.com/so/1/aaa' title='aaa'>aaa rbo space standard page EOS oca fda aging
NASA鏈?2,000澶氫釜鏁版嵁闆嗭紝骞朵笖NASA鏈夊叴瓒d簡瑙h繖浜涙暟鎹泦涔嬮棿鐨勮仈绯伙紝浠ュ強涓嶯ASA浠ュ鍏朵粬鏀垮簻缁勭粐涓叾浠栭噸瑕佹暟鎹泦鐨勮仈绯汇€傛湁鍏砃ASA鏁版嵁闆嗙殑鍏冩暟鎹?nbsp; 鍙互JSON鏍煎紡鍦ㄧ嚎鑾峰緱銆傝鎴戜滑浣跨敤tf-idf鍦ㄦ弿杩板瓧娈典腑鎵惧埌閲嶈鐨勫崟璇嶏紝骞跺皢鍏朵笌鍏抽敭瀛楄仈绯昏捣鏉ャ€?/p>
鑾峰彇鍜屾暣鐞哊ASA鍏冩暟鎹?/strong>
璁╂垜浠笅杞?2,000澶氫釜NASA鏁版嵁闆嗙殑鍏冩暟鎹€?/p>
璁╂垜浠墦鍗板嚭鍏朵腑鐨勪竴閮ㄥ垎銆?/p>
杩欐槸鍏抽敭璇嶃€?/p>
鏈€甯歌鐨勫叧閿瓧鏄粈涔堬紵
鐪嬭捣鏉?ldquo;宸插畬鎴愰」鐩?rdquo;瀵逛簬鏌愪簺鐩殑鏉ヨ鍙兘涓嶆槸鏈夌敤鐨勫叧閿瓧锛屾垜浠彲鑳藉笇鏈涘皢鎵€鏈夎繖浜涢兘鏇存敼涓哄皬鍐欐垨澶у啓锛屼互娑堥櫎璇稿“ OCEANS”鍜?ldquo; Oceans”涔嬬被鐨勯噸澶嶉」銆?/p>
璁$畻鏂囧瓧鐨則f-idf
浠€涔堟槸tf-idf锛熻瘎浼版枃妗d腑鍗曡瘝鐨勯噸瑕佹€х殑涓€绉嶆柟娉曞彲鑳芥槸鍏?nbsp; 鏈棰戠巼 锛坱f锛夛紝鍗冲崟璇嶅湪鏂囨。涓嚭鐜扮殑棰戠巼銆備絾鏄紝涓€浜涚粡甯稿嚭鐜扮殑鍗曡瘝骞朵笉閲嶈銆傚湪鑻辫涓紝杩欎簺璇嶅彲鑳芥槸“ the”锛?ldquo; is”锛?ldquo; of”绛夎瘝銆傚彟涓€绉嶆柟娉曟槸鏌ョ湅鏈鐨?nbsp; 閫嗘枃妗i鐜?/em> 锛坕df锛夛紝杩欎細闄嶄綆甯哥敤鍗曡瘝鐨勬潈閲嶏紝鑰屽鍔犲湪鏂囨。闆嗕腑寰堝皯浣跨敤鐨勫崟璇嶇殑鏉冮噸銆?/p>
杩欎簺鏄疦ASA璇存槑瀛楁涓渶甯歌鐨?ldquo;鍗曡瘝”锛屾槸璇嶉鏈€楂樼殑鍗曡瘝銆傝鎴戜滑鐪嬩竴涓嬬涓€涓暟鎹泦锛屼緥濡傦細 tf-idf绠楁硶搴旇鍑忓皯鎵€鏈夎繖浜涚殑鏉冮噸锛屽洜涓哄畠浠緢甯歌锛屼絾鏄垜浠彲浠ユ牴鎹渶瑕侀€氳繃鍋滅敤璇嶅皢鍏跺垹闄ゃ€傜幇鍦紝璁╂垜浠负鎻忚堪瀛楁涓殑鎵€鏈夊崟璇嶈绠梩f-idf銆?/p>
娣诲姞鐨勫垪鏄痶f锛宨df锛岃繖涓や釜鏁伴噺鐩镐箻鍦ㄤ竴璧锋槸tf-idf锛岃繖鏄垜浠劅鍏磋叮鐨勪笢瑗裤€侼ASA鎻忚堪瀛楁涓渶楂樼殑tf-idf璇嶆槸浠€涔堬紵 鍥犳锛岃繖浜涙槸鐢╰f-idf琛¢噺鐨勬弿杩板瓧娈典腑鏈€“閲嶈”鐨勮瘝锛岃繖鎰忓懗鐫€瀹冧滑寰堝父瑙侊紝浣嗕笉澶父鐢ㄣ€?/p>
tf-idf绠楁硶灏嗚涓鸿繖鏄竴涓潪甯搁噸瑕佺殑璇嶃€?/p>
鍥犳锛岀幇鍦ㄦ垜浠煡閬撴弿杩颁腑鐨勫摢涓瘝鍏锋湁杈冮珮鐨則f-idf锛屽苟涓斿湪鍏抽敭瀛椾腑涔熸湁杩欎簺鎻忚堪鐨勬爣绛俱€?/p>
璁╂垜浠潵鐪嬪嚑涓ず渚嬪叧閿瓧涓渶閲嶈鐨勫崟璇嶃€?/p>
tf-idf绠楁硶鍦ㄤ粎2涓瓧闀跨殑鎻忚堪涓棤娉曞緢濂藉湴宸ヤ綔锛屾垨鑰呰嚦灏戝畠灏嗗杩欎簺瀛楄繘琛岄潪甯搁噸鐨勫姞鏉冦€傚疄闄呬笂锛屼篃璁歌繖鏄笉鍚堥€傜殑銆?/p>
杩炴帴鍏抽敭瀛楀拰鎻忚堪
鍙鍖栫粨鏋?/strong>
以上是关于NASA Metadata: tf-idf of Description Texts and Keywords的主要内容,如果未能解决你的问题,请参考以下文章
用于聚类(和分类)短句的 NLP bag-of-words/TF-IDF
Android Studio报错:The binary version of its metadata is 1.5.1, expected version is 1.1.15.
Android Studio报错:The binary version of its metadata is 1.5.1, expected version is 1.1.15.
detectron2报AttributeError: Attribute ‘evaluator_type‘ does not exist in the metadata of dataset(代码片段