{"id":9274,"date":"2017-04-07T10:30:11","date_gmt":"2017-04-07T01:30:11","guid":{"rendered":"http:\/\/sitest.jp\/blog\/?p=9274"},"modified":"2017-04-07T10:26:24","modified_gmt":"2017-04-07T01:26:24","slug":"%e9%ab%98%e9%80%9f%e6%a4%9c%e7%b4%a2%e3%82%a8%e3%83%b3%e3%82%b8%e3%83%b3elasticsearch%e3%82%92%e4%bd%bf%e3%81%a3%e3%81%a6%e3%81%bf%e3%81%9f%ef%bc%81%ef%bc%88more-like-this-%e7%b7%a8%ef%bc%89","status":"publish","type":"post","link":"https:\/\/sitest.jp\/blog\/?p=9274","title":{"rendered":"\u9ad8\u901f\u691c\u7d22\u30a8\u30f3\u30b8\u30f3ElasticSearch\u3092\u4f7f\u3063\u3066\u307f\u305f\uff01\uff08More Like This \u7de8\uff09"},"content":{"rendered":"<p><a href=\"http:\/\/sitest.jp\/blog\/?p=9042\" target=\"_blank\">\u524d\u56de<\/a>\u306f\u3001ElasticSearch\u3092\u4f7f\u3063\u3066\u307f\u3066\u3001\u305d\u306e\u901f\u3055\u3092\u4f53\u9a13\u4f53\u9a13\u3057\u3066\u307f\u307e\u3057\u305f\u3002<br \/>\nElasticSearch\u306e\u9b45\u529b\u306f\u901f\u5ea6\u9762\u3060\u3051\u3067\u306a\u304f\u3001\u985e\u4f3c\u6587\u66f8\u3092\u691c\u7d22\u3059\u308b\u6a5f\u80fd\u3084\u3001\u30d5\u30a1\u30b8\u30fc\u691c\u7d22\u3001\u30d5\u30a1\u30bb\u30c3\u30c8\u6a5f\u80fd\u306a\u3069\u304c\u3042\u308a\u307e\u3059\u3002\u305d\u3053\u3067\u3001\u4eca\u56de\u306f\u985e\u4f3c\u6587\u66f8\u3092\u691c\u7d22\u3057\u3066\u95a2\u9023\u8a18\u4e8b\u3092\u30ec\u30b3\u30e1\u30f3\u30c9\u3059\u308b\u6a5f\u80fd\u3092\u8a66\u3057\u3066\u307f\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002ElasticSearch\u3067\u306f\u3001\u300cMore Like This\u300d \u3068\u3044\u3046\u6a5f\u80fd\u3092\u5229\u7528\u3057\u307e\u3059\u3002<br \/>\n<!--more--><\/p>\n<div class=\"frame_headding\">\n<ul>\n<li>\n<h3 style=\"text-align: left;\">\u25a0 \u8a66\u3057\u3066\u307f\u3088\u3046<\/h3>\n<\/li>\n<\/ul>\n<\/div>\n<p>\u5f0a\u793e\u3067\u306f\u3001\u300c<a title=\"SPAIA\" href=\"http:\/\/spaia.jp\" target=\"_blank\">SPAIA<\/a>\u300d\u3068\u3044\u3046\u5f93\u6765\u306e\u30b9\u30dd\u30fc\u30c4\u30cb\u30e5\u30fc\u30b9\u30e1\u30c7\u30a3\u30a2\u3068\u306f\u9055\u3044\u3001\u30b9\u30dd\u30fc\u30c4\u30c7\u30fc\u30bf\u3092AI\u306b\u3088\u3063\u3066\u89e3\u6790\u3057\u3001\u65b0\u3057\u3044\u30b9\u30dd\u30fc\u30c4\u306e\u898b\u65b9\u3084\u697d\u3057\u307f\u65b9\u304c\u5b9f\u73fe\u3067\u304d\u308b\u3053\u3068\u306b\u52a0\u3048\u3001\u5f0a\u793e\u72ec\u81ea\u3067\u7de8\u96c6\u90e8\u304c\u53d6\u6750\u30fb\u7de8\u96c6\u3057\u305f\u30aa\u30ea\u30b8\u30ca\u30eb\u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u63d0\u4f9b\u3057\u3066\u3044\u307e\u3059\u3002<br \/>\n\u3053\u306e\u30b9\u30dd\u30fc\u30c4\u30b3\u30e9\u30e0\u8a18\u4e8b\u306b\u5bfe\u3057\u3066\u3001\u95a2\u9023\u8a18\u4e8b\u3092\u30ec\u30b3\u30e1\u30f3\u30c9\u3059\u308b\u6a5f\u80fd\u3092\u8a66\u3057\u3066\u307f\u307e\u3059\u3002<\/p>\n<p>\u8a18\u4e8b\u306f\u3001<a title=\"SPAIA\" href=\"http:\/\/spaia.jp\/column\/sumo\/1503\" target=\"_blank\">\u5927\u76f8\u64b2\u5927\u962a\u5834\u6240\u306e\u30c1\u30b1\u30c3\u30c8\u306f\u3069\u306e\u3088\u3046\u306b\u30b2\u30c3\u30c8\u3067\u304d\u308b\u306e\uff1f<\/a>\u3068\u3044\u3046\u8a18\u4e8b\u3067\u898b\u3066\u307f\u307e\u3059\u3002<br \/>\n\u8a18\u4e8b\u5185\u5bb9\u3068\u3057\u3066\u306f\u3001<\/p>\n<p>\u300c\u5927\u76f8\u64b2\u5927\u962a\u5834\u6240\u306e\u30c1\u30b1\u30c3\u30c8\u306f\u3069\u306e\u3088\u3046\u306b\u30b2\u30c3\u30c8\u3067\u304d\u308b\u306e\uff1f<\/p>\n<p>\u5927\u962a\u5834\u6240\u306f\u3044\u3064\u958b\u50ac\u3055\u308c\u308b\uff1f<br \/>\n\u5927\u76f8\u64b2\u5927\u962a\u5834\u6240\u306f\u3001\u6bce\u5e743\u6708\u306b\u958b\u50ac\u3055\u308c\u307e\u3059\u3002\u4f1a\u5834\u306f\u30a8\u30c7\u30a3\u30aa\u30f3\u30a2\u30ea\u30fc\u30ca\u5927\u962a\uff08\u5927\u962a\u5e9c\u7acb\u4f53\u80b2\u4f1a\u9928\uff09\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002\u5927\u962a\u3068\u3044\u3046\u5927\u90fd\u5e02\u3067\u3042\u308a\u306a\u304c\u3089\u3001\u4f1a\u5834\u306f\u305d\u308c\u307b\u3069\u5e83\u304f\u306a\u3044\u305f\u3081\u3001\u30c1\u30b1\u30c3\u30c8\u4e89\u596a\u6226\u306f\u76f8\u5f53\u6fc0\u3057\u3044\u3082\u306e\u3068\u306a\u308b\u306e\u3067\u3059\uff01<br \/>\n\u30a2\u30af\u30bb\u30b9\u7684\u306b\u3082\u3001\u306a\u3093\u3070\u99c5\u304b\u3089\u5f92\u6b692\u5206\u3068\u3044\u3046\u7d76\u597d\u306e\u30ed\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u3042\u308b\u306e\u3082\u4eba\u6c17\u306e\u79d8\u5bc6\u3067\u3059\u3002<br \/>\n\u7279\u306b\u5343\u79cb\u697d\u306e\u30c1\u30b1\u30c3\u30c8\u3068\u3082\u306a\u308c\u3070\u3001\u8ca9\u58f2\u958b\u59cb\u6642\u671f\u3092\u3057\u3063\u304b\u308a\u30c1\u30a7\u30c3\u30af\u3057\u3066\u4f5c\u6226\u3092\u7df4\u3063\u3066\u671b\u307e\u306a\u3044\u3068\u76f8\u5f53\u53b3\u3057\u3044\u3082\u306e\u3068\u306a\u308a\u307e\u3059&#8230;\u300d<br \/>\n\u3068\u3044\u3063\u305f\u3001\u76f8\u64b2\u306e\u30ab\u30c6\u30b4\u30ea\u3067\u3042\u308a\u4e14\u3064\u3001\u76f8\u64b2\u306e\u4f1a\u5834\u306e\u5185\u5bb9\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002<br \/>\n\u3053\u3053\u3067\u3001\u95a2\u9023\u8a18\u4e8b\u3068\u3057\u3066\u691c\u7d22\u3055\u308c\u305f\u8a18\u4e8b\u3092\u898b\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<p><img loading=\"lazy\" class=\"alignnone size-medium wp-image-9290\" src=\"https:\/\/storage.googleapis.com\/sitest-wp\/blog\/wp-content\/uploads\/2017\/03\/b1d36b3d1c84cf3aa5eb2ab70fb68f51-300x151.png\" alt=\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8 2017-03-24 11.48.25\" width=\"300\" height=\"151\" \/><\/p>\n<p>10\u4ef6\u7a0b\u3001\u95a2\u9023\u8a18\u4e8b\u304c\u51fa\u3066\u3044\u307e\u3059\u304c\u3001\u305d\u306e\u4e2d\u306e<a title=\"SPAIA\" href=\"http:\/\/spaia.jp\/column\/sumo\/1503\" target=\"_blank\">\u4e00\u5ea6\u3067\u3044\u3044\u304b\u3089\u751f\u3067\u89b3\u305f\u3044\uff01\u5927\u76f8\u64b2\u89b3\u6226\u6642\u306b\u304a\u3059\u3059\u3081\u306e\u5ea7\u5e2d\u306e\u7a2e\u985e<\/a>\u3092\u898b\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<p>\u300c\u5927\u76f8\u64b2\u89b3\u6226\u306e\u5ea7\u5e2d\u306f3\u7a2e\u985e<br \/>\n\u5927\u76f8\u64b2\u3092\u89b3\u6226\u3059\u308b\u6642\u306b\u6c17\u306b\u306a\u308b\u5ea7\u5e2d\u306f\u3001\u6e9c\u5e2d\uff08\u305f\u307e\u308a\u305b\u304d\uff09\u3001\u30de\u30b9\u5e2d\u3001\u30a4\u30b9\u5e2d\u306e3\u7a2e\u985e\u306b\u5206\u985e\u3055\u308c\u3066\u3044\u307e\u3059\u3002<br \/>\n\u6e9c\u5e2d\u306f\u3001\u571f\u4ff5\u304b\u3089\u4e00\u756a\u8fd1\u3044\u5e2d\u3067\u3001\u5225\u540d\u201c\u7802\u304b\u3076\u308a\u201d\u3068\u547c\u3070\u308c\u308b\u3053\u3068\u3082\u3042\u308a\u307e\u3059\u3002\u95a2\u4fc2\u8005\u304c\u5ea7\u308b\u5e2d\u3068\u3055\u308c\u3066\u3044\u307e\u3059\u304c\u3001\u4e00\u822c\u3067\u306e\u8cfc\u5165\u3082\u53ef\u80fd\u3067\u3059\u3002\u4e00\u4eba\u305a\u3064\u72ec\u7acb\u3057\u305f\u5ea7\u5e03\u56e3\u306b\u5ea7\u3063\u3066\u89b3\u6226\u3067\u304d\u307e\u3059\u304c\u3001\u53d6\u308a\u7d44\u307f\u5f8c\u306b\u529b\u58eb\u304c\u30c0\u30a4\u30d6\u3057\u3066\u304f\u308b\u53ef\u80fd\u6027\u304c\u5426\u3081\u306a\u3044\u305f\u3081\u30016\u6b73\u672a \u6e80\u306e\u304a\u5b50\u3055\u307e\u3068\u3001\u9ad8\u9f62\u8005\u306a\u3069\u8eab\u4f53\u304c\u4e0d\u81ea\u7531\u306a\u65b9\u306f\u8cfc\u5165\u4e0d\u53ef\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002<br \/>\n\u30de\u30b9\u5e2d\u306f\u30011.3\uff4d\u56db\u65b9\u306e\u9244\u30d1\u30a4\u30d7\u3067\u56f2\u307e\u308c\u305f\u30a8\u30ea\u30a2\u306b4\u679a\u306e\u5ea7\u5e03\u56e3\u304c\u6577\u304b\u308c\u305f\u5ea7\u5e2d\u3067\u3001\u30a4\u30b9\u5e2d\u306f\u56fd\u6280\u9928\u306e2\u968e\u306b\u3042\u308b\u5e2d\u306e\u3053\u3068\u3092\u6307\u3057\u307e\u3059\u3002\u30a4\u30b9\u5e2d\u306e\u4e2d\u306b\u306f\u3001\u30c6\u30fc\u30d6\u30eb\u3084\u8098\u7f6e\u304d\u304c\u4ed8\u5c5e\u3057\u305f\u5e2d\u3082\u3042\u308a\u307e\u3059&#8230;\u300d<br \/>\n\u8a18\u4e8b\u5185\u5bb9\u7684\u306b\u306f\u3001\u76f8\u64b2\u306e\u30ab\u30c6\u30b4\u30ea\u3067\u3042\u308a\u4e14\u3064\u3001\u76f8\u64b2\u306e\u4f1a\u5834\u306e\u5185\u5bb9\u306e\u8a18\u4e8b\u304c\u3001\u826f\u3044\u611f\u3058\u3067\u691c\u7d22\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<div class=\"frame_headding\">\n<h3 style=\"text-align: left;\">\u25a0 \u985e\u4f3c\u8a18\u4e8b\u691c\u7d22\u306e\u624b\u6cd5\u3068\u306f<\/h3>\n<\/div>\n<p>\u985e\u4f3c\u8a18\u4e8b\u3092\u691c\u7d22\u3059\u308b\u624b\u6cd5\u3068\u3057\u3066\u306f\u3001\u8a18\u4e8b\u5185\u5bb9\u306e\u91cd\u8981\u8a9e\u3068\u898b\u306a\u3055\u308c\u308b\u8a9e\u53e5 (Term) \u3092\u8a18\u4e8b\u3054\u3068\u306b\u62bd\u51fa\u3057\u3001\u8a18\u4e8b\u3092\u884c\u3001\u51fa\u73fe\u3059\u308b\u8a9e\u53e5 (Term)\u3092\u5217\u3068\u3057\u305f\u884c\u5217\u30d9\u30af\u30c8\u30eb\u3092\u69cb\u6210\u3057\u307e\u3059\u3002<br \/>\n\u4e00\u822c\u7684\u306a\u3001\u91cd\u8981\u8a9e\u306e\u62bd\u51fa\u624b\u6cd5\u3068\u3057\u3066\u306f\u3001\u4ee5\u4e0b\u306e TF-IDF \u3068\u3044\u3063\u305f\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u304c\u5229\u7528\u3055\u308c\u307e\u3059\u3002<\/p>\n<p><img loading=\"lazy\" class=\"alignnone size-medium wp-image-9289\" src=\"https:\/\/storage.googleapis.com\/sitest-wp\/blog\/wp-content\/uploads\/2017\/03\/texclip20170324143054-300x79.png\" alt=\"texclip20170324143054\" width=\"300\" height=\"79\" \/><\/p>\n<p>\u3053\u308c\u3089\u306e TF(\u5358\u8a9e\u306e\u51fa\u73fe\u983b\u5ea6) \u3068 IDF(\u6587\u66f8\u983b\u5ea6\u306e\u9006\u6570) \u3092\u639b\u3051\u5408\u308f\u305b\u3066\u8a08\u7b97\u3092\u884c\u3044\u307e\u3059\u3002<br \/>\n\u3057\u304b\u3057\u306a\u304c\u3089\u3001\u8a18\u4e8b\u306b\u3088\u3063\u3066\u51fa\u73fe\u3059\u308b\u8a9e\u53e5 (Term) \u306f\u69d8\u3005\u3067\u3059\u306e\u3067\u3001\u4f5c\u6210\u3057\u305f\u884c\u5217\u30d9\u30af\u30c8\u30eb\u306f\u758e\u306a\u884c\u5217 (sparse matrix) \u3068\u306a\u3063\u3066\u3057\u307e\u3044\u307e\u3059\u3002<br \/>\n\u3053\u306e\u307e\u307e\u3067\u306f\u3001\u4f5c\u6210\u3057\u305f\u884c\u5217\u30d9\u30af\u30c8\u30eb\u306b\u30ce\u30a4\u30ba\u304c\u5165\u3063\u3066\u3057\u307e\u3044\u3001\u985e\u4f3c\u5ea6\u3092\u8a08\u308b\u8a08\u7b97\u7cbe\u5ea6\u304c\u52a3\u3063\u3066\u3057\u307e\u3046\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u305d\u3053\u3067\u3001\u3088\u304f\u4f7f\u308f\u308c\u308b\u624b\u6cd5\u3068\u3057\u3066\u3001svd (\u7279\u7570\u5024\u5206\u89e3) \u3068\u3044\u3046\u624b\u6cd5\u304c\u63a1\u7528\u3055\u308c\u3066\u307e\u3059\u3002\u3053\u306e\u624b\u6cd5\u3067\u4f5c\u6210\u3057\u305f\u884c\u5217\u30d9\u30af\u30c8\u30eb\u306e\u60c5\u5831\u3092\u5727\u7e2e\u3057\u3001\u3088\u308a\u60c5\u5831\u91cf\u306e\u9ad8\u3044\u884c\u5217\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002<br \/>\n\u4f5c\u6210\u3057\u305f\u884c\u5217\u30d9\u30af\u30c8\u30eb\u306b\u5bfe\u3057\u3066\u3001\u30b3\u30b5\u30a4\u30f3\u985e\u4f3c\u5ea6\u306a\u3069\u306e\u30d9\u30af\u30c8\u30eb\u540c\u58eb\u306e\u6210\u3059\u89d2\u5ea6\u306e\u8fd1\u3055\u3092\u8a08\u308a\u3001\u5404\u8a18\u4e8b\u306e\u985e\u4f3c\u5ea6\u306e\u30e9\u30f3\u30ad\u30f3\u30b0\u4ed8\u3051\u3092\u884c\u3044\u3001\u985e\u4f3c\u8a18\u4e8b\u306e\u691c\u7d22\u3092\u884c\u3044\u307e\u3059\u3002<br \/>\n\u5b9f\u969b\u306b\u3053\u306e\u3088\u3046\u306a\u624b\u6cd5\u3092\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u3057\u3088\u3046\u3068\u3057\u305f\u3089\u3001\u7d50\u69cb\u5b9f\u88c5\u30ea\u30bd\u30fc\u30b9\u304c\u639b\u304b\u3063\u3066\u3057\u307e\u3044\u307e\u3059\u3002<\/p>\n<p>\u3057\u304b\u3057\u3001ElasticSearch\u306a\u3069\u306eLucene API \u3092\u5229\u7528\u3057\u305f\u5168\u6587\u691c\u7d22\u30a8\u30f3\u30b8\u30f3\u3067\u306f\u3001\u7c21\u5358\u306b\u5b9f\u73fe\u53ef\u80fd\u3067\u3059\u3002<br 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