{"id":303,"date":"2015-06-01T13:06:17","date_gmt":"2015-06-01T04:06:17","guid":{"rendered":"http:\/\/mieru-ca.com\/blog\/?p=303"},"modified":"2023-02-17T14:47:04","modified_gmt":"2023-02-17T05:47:04","slug":"research-tf-idf-lsi-lda","status":"publish","type":"post","link":"https:\/\/mieru-ca.com\/blog\/research-tf-idf-lsi-lda\/","title":{"rendered":"\u3010\u7814\u7a76\u3011\u9023\u8f09\uff1a\u6280\u8853\u7684\u5074\u9762\u304b\u3089\u306e\u691c\u7d22\u30a8\u30f3\u30b8\u30f3\u306e\u8003\u5bdf ~\u7b2c\uff12\u56de\u30c6\u30ad\u30b9\u30c8\u30de\u30a4\u30cb\u30f3\u30b0\u306e\u57fa\u672c\u7684\u624b\u6cd5\uff08TF-IDF\u3001LSI\u3001LDA)~"},"content":{"rendered":"<p><a href=\"https:\/\/mieru-ca.com\/blog\/research-basics-of-text-mining\/\">\u7b2c\uff11\u56de<\/a>\u3067\u306f\u3001\u30c6\u30ad\u30b9\u30c8\u30de\u30a4\u30cb\u30f3\u30b0\u306e\u524d\u6bb5\u968e\u3068\u306a\u308b\u5f62\u614b\u7d20\u89e3\u6790\u306e\u4ed5\u7d44\u307f\u304b\u3089\u5f62\u614b\u7d20\u89e3\u6790\u3092\u7528\u3044\u305f\u884c\u5217\u5316\uff08BoW\uff09\u306a\u3069\u306e\u57fa\u672c\u4e8b\u9805\u306b\u3064\u3044\u3066\u8aac\u660e\u81f4\u3057\u307e\u3057\u305f\u3002\u7b2c\uff12\u56de\u3067\u306f\u3001\u884c\u5217\u5316\u3057\u305f\u30c6\u30ad\u30b9\u30c8\u30c7\u30fc\u30bf\u304b\u3089\u3069\u306e\u3088\u3046\u306b\u77e5\u898b\u3092\u53d6\u308a\u51fa\u3059\u304b\u3068\u3044\u3046\u8a71\u304c\u3067\u304d\u308c\u3070\u3068\u601d\u3044\u307e\u3059\u3002 <!--more--> \u7b2c\uff11\u56de\u3067\u3082\u7c21\u5358\u306b\u89e6\u308c\u307e\u3057\u305f\u304c\u3001\u884c\u5217\u5316\u3057\u305f\u30c6\u30ad\u30b9\u30c8\u30c7\u30fc\u30bf\u306b\u5bfe\u3057\u3066\u7d71\u8a08\u7684\u624b\u6cd5\u3092\u7528\u3044\u308b\u3053\u3068\u3067\u3001\u77e5\u898b\u3092\u62bd\u51fa\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u30c6\u30ad\u30b9\u30c8\u30de\u30a4\u30cb\u30f3\u30b0\u306e\u624b\u6cd5\u306f\u591a\u304f\u3042\u308b\u306e\u3067\u3059\u304c\u3001\u4eca\u56de\u306f<\/p>\n<ul>\n<li>TF-IDF\u6cd5 \u21d2\u6587\u66f8\u7fa4\u304b\u3089\u7279\u5fb4\u8a9e\u3092\u62bd\u51fa\u3059\u308b\u65b9\u6cd5\u3068\u3057\u3066\u7528\u3044\u3089\u308c\u308b\u3002<\/li>\n<li>LSI\u6cd5 \u21d2\u6587\u66f8\u9593\u8ddd\u96e2\u3084\u5358\u8a9e\u9593\u8ddd\u96e2\u3092\u8a08\u7b97\u3059\u308b\u969b\u306b\u3001\u6b21\u5143\u5727\u7e2e\u3059\u308b\u65b9\u6cd5\u3068\u3057\u3066\u7528\u3044\u3089\u308c\u308b\u3002\uff08BoW\u306f\u6587\u66f8\u6570\u306e\u5897\u5927\u306b\u4f34\u3044\u975e\u5e38\u306b\u5927\u304d\u306a\u30b5\u30a4\u30ba\u306e\u884c\u5217\u306b\u306a\u308b\u305f\u3081\u3001\u5358\u8a9e\u306e\u60c5\u5831\u3092\u77e5\u308a\u305f\u3044\u3068\u304d\u306f\u6587\u66f8\u306e\u60c5\u5831\u3092100\uff5e200\u6b21\u5143\u3078\u5727\u7e2e\u3057\u3066\u305d\u306e\u5f8c\u306e\u5206\u6790\u3092\u884c\u306a\u3046\u3068\u3044\u3046\u30b1\u30fc\u30b9\u304c\u591a\u3044\u3002\uff09<\/li>\n<li>LDA\u6cd5 \u21d2\u6587\u66f8\u3092\u30c8\u30d4\u30c3\u30af\u3068\u3044\u3046\u62bd\u8c61\u6982\u5ff5\u306e\u69cb\u6210\u6bd4\u3067\u6570\u5024\u5316\u3059\u308b\u305f\u3081\u306e\u624b\u6cd5\u3068\u3057\u3066\u7528\u3044\u3089\u308c\u308b\u3002<\/li>\n<\/ul>\n<p>\u306e\uff13\u3064\u306e\u30c6\u30ad\u30b9\u30c8\u89e3\u6790\u306e\u624b\u6cd5\u306b\u3064\u3044\u3066\u3001\u7b2c\uff12\u56de\u3067\u306f\u89e3\u8aac\u3057\u307e\u3059\u3002 \u4ee5\u4e0b\u3001\u672c\u7a3f\u306e\u76ee\u6b21\u3067\u3059\u3002<\/p>\n<h2><span style=\"font-size: 14pt;\"><strong>1. \u524d\u56de\u306e\u632f\u308a\u8fd4\u308a\u3001BoW<\/strong><strong>\uff08Bag of Words<\/strong><strong>\uff09\u306b\u95a2\u3057\u3066<\/strong><\/span><\/h2>\n<p>\u524d\u56de\u306e\u8a71\u3067\u3001BoW\u306e\u5177\u4f53\u4f8b\u3092\u3054\u7d39\u4ecb\u3057\u307e\u3057\u305f\u306e\u3067\u3001\u305d\u308c\u3092\u5143\u306b\u632f\u308a\u8fd4\u308a\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002 \u4ee5\u4e0b\u304c\u5143\u6587\u66f8\u3067\u3059\u3002<\/p>\n<table style=\"background-color: #ebebeb;\">\n<tbody>\n<tr>\n<td>\u25c6\u5143\u6587\u66f8\u6587\u66f8\uff11\u3000\u79c1\u306e\u540d\u524d\u306f\u30b8\u30e7\u30f3\u3060\u3002\u6587\u66f8\uff12\u3000\u79c1\u306f\u8eca\u3092\u8cb7\u3063\u305f\u3002\u30b8\u30e7\u30f3\u306f\u305d\u308c\u3092\u7fa8\u307e\u3057\u3052\u306b\u898b\u3066\u3044\u308b\u3002\u6587\u66f8\uff13\u3000\u30b8\u30a7\u30d5\u30a1\u30fc\u30bd\u30f3\u306f\u79c1\u306b\u5bfe\u3057\u3066\u8179\u3092\u7acb\u3066\u3066\u3044\u308b\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u4ee5\u4e0a\u306e\uff13\u3064\u306e\u6587\u7ae0\u304c\u3042\u3063\u305f\u969b\u306b\u3001\u305d\u308c\u305e\u308c\u306e\u6587\u306b\u5bfe\u3057\u3066MeCab\u3092\u7528\u3044\u3066\u5f62\u614b\u7d20\u89e3\u6790\u3092\u884c\u3046\u3068\u3001<\/p>\n<table style=\"background-color: #ebebeb;\">\n<tbody>\n<tr>\n<td>\u25c6\u5f62\u614b\u7d20\u89e3\u6790\u5f8c\u6587\u66f8\uff11\u3000\u79c1\uff5c\u306e\uff5c\u540d\u524d\uff5c\u306f\uff5c\u30b8\u30e7\u30f3\uff5c\u3060\uff5c\u3002\uff5c\u6587\u66f8\uff12\u3000\u79c1\uff5c\u306f\uff5c\u8eca\uff5c\u3092\uff5c\u8cb7\u3063\uff5c\u305f\uff5c\u3002\uff5c\u30b8\u30e7\u30f3\uff5c\u306f\uff5c\u305d\u308c\uff5c\u3092\uff5c\u7fa8\u307e\u3057\uff5c\u3052\uff5c\u306b\uff5c\u898b\uff5c\u3066\uff5c\u3044\u308b\uff5c\u3002\uff5c\u6587\u66f8\uff13\u3000\u30b8\u30a7\u30d5\u30a1\u30fc\u30bd\u30f3\uff5c\u306f\uff5c\u79c1\uff5c\u306b\u5bfe\u3057\u3066\uff5c\u8179\uff5c\u3092\uff5c\u7acb\u3066\uff5c\u3066\uff5c\u3044\u308b\uff5c\u3002\uff5c<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002\u56f3\uff11\u306f\u3053\u306e\u5f62\u614b\u7d20\u89e3\u6790\u7d50\u679c\u3092BoW\u306e\u5f62\u306b\u5909\u63db\u3057\u305f\u3082\u306e\u3067\u3059\u3002\uff08\u52a9\u8a5e\u3001\u52a9\u52d5\u8a5e\u306f\u610f\u5473\u3092\u306a\u3055\u306a\u3044\u3053\u3068\u304c\u591a\u3044\u306e\u3067\u3053\u3053\u3067\u306f\u4e00\u5ea6\u7701\u304d\u307e\u3057\u305f\u3002\uff09<\/p>\n<p style=\"text-align: center;\"><a href=\"https:\/\/fc-handson.com\/wp-content\/uploads\/2015\/06\/bow\u306b\u5909\u63db\u3057\u305f\u5f62\u614b\u7d20\u89e3\u6790\u7d50\u679c.png\"><img decoding=\"async\" class=\"alignnone size-full wp-image-435 lazyload\" data-src=\"https:\/\/fc-handson.com\/wp-content\/uploads\/2015\/06\/bow\u306b\u5909\u63db\u3057\u305f\u5f62\u614b\u7d20\u89e3\u6790\u7d50\u679c.png\" alt=\"bow\u306b\u5909\u63db\u3057\u305f\u5f62\u614b\u7d20\u89e3\u6790\u7d50\u679c\" width=\"870\" height=\"79\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 870px; --smush-placeholder-aspect-ratio: 870\/79;\" \/><\/a>\u56f3\uff11\u3000BoW\u5909\u63db\u5f8c<\/p>\n<p>\u3053\u306e\u3088\u3046\u306b\u4f5c\u6210\u3057\u305fBoW\u3068\u3044\u3046\u6587\u66f8\u3068\u5358\u8a9e\u306e\u884c\u5217\u3092\u7528\u3044\u3066\u3001\u4ee5\u4e0b<span style=\"text-decoration: line-through;\">2<\/span>\uff12\u7bc0\u304b\u3089<span style=\"text-decoration: line-through;\">4<\/span>\uff14\u7bc0\u3067\u8ff0\u3079\u308b\u69d8\u3005\u306a\u7d71\u8a08\u89e3\u6790\u306e\u624b\u6cd5\u3092\u884c\u3044\u307e\u3059\u3002<\/p>\n<h2><span style=\"font-size: 14pt;\"><strong>2-1. TF-IDF<\/strong><strong>\u7406\u8ad6<\/strong><\/span><\/h2>\n<p>tf-idf\u306f\u3001\u6587\u66f8\u4e2d\u306e\u5358\u8a9e\u306b\u95a2\u3059\u308b\u91cd\u307f\u306e\u4e00\u7a2e\u3067\u3042\u308a\u3001\u4e3b\u306b\u3042\u308b\u6587\u66f8\u96c6\u5408\u306b\u542b\u307e\u308c\u308b\u6587\u66f8A\u3001\u306b\u304a\u3051\u308b\u7279\u5fb4\u8a9e\u3092\u62bd\u51fa\u3059\u308b\u76ee\u7684\u3067\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<\/p>\n<p style=\"text-align: center;\"><a href=\"https:\/\/fc-handson.com\/wp-content\/uploads\/2015\/06\/TFIDF\u306e\u6570\u5f0f.png\"><img decoding=\"async\" class=\"alignnone size-full wp-image-434 lazyload\" data-src=\"https:\/\/fc-handson.com\/wp-content\/uploads\/2015\/06\/TFIDF\u306e\u6570\u5f0f.png\" alt=\"TFIDF\u306e\u6570\u5f0f\" width=\"211\" height=\"136\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 211px; --smush-placeholder-aspect-ratio: 211\/136;\" \/> <\/a>\u56f3\uff12\u3000TFIDF\u6570\u5f0f<\/p>\n<p>\u56f3\uff12\u306fTF-IDF\u306e\u6570\u5f0f\u3067\u3059\u3002\u3053\u3053\u3067n<sub>i,j<\/sub>\u306f\u3001\u6587\u66f8i\u306b\u304a\u3051\u308b\u5358\u8a9ej\u306e\u51fa\u73fe\u983b\u5ea6\u3001|D|\u306f\u7dcf\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u6570\u3001\uff5c{d\uff1ad\u220bt<sub>i<\/sub>}\uff5c\u306f\u5358\u8a9ei\u3092\u542b\u3080\u7dcf\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u6570\u3092\u8868\u3057\u3066\u3044\u307e\u3059\u3002\u8a00\u8449\u3067\u7f6e\u304d\u63db\u3048\u308b\u3068\u3001 TF\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \uff1a\u3000\u5358\u8a9e\u304c\u3069\u306e\u304f\u3089\u3044\u591a\u304f\u542b\u307e\u308c\u3066\u3044\u308b\u304b IDF\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \uff1a\u3000\u5358\u8a9e\u304c\u542b\u307e\u308c\u3066\u3044\u308b\u6587\u66f8\u304c\u3069\u306e\u304f\u3089\u3044\u5e0c\u5c11\u304b \u3092\u8868\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<h2><span style=\"font-size: 14pt;\"><strong>2-2. TF-IDF<\/strong><strong>\u306e\u5177\u4f53\u4f8b\u30fb\u5fdc\u7528\u4f8b<\/strong><\/span><\/h2>\n<p>\u8a00\u8449\u3067\u8aac\u660e\u3057\u305f\u3060\u3051\u3067\u306f\u308f\u304b\u308a\u306b\u304f\u3044\u306e\u3067\u3001\u5148\u307b\u3069\u306e\u56f3\uff12\u306eBoW\u3092\u7528\u3044\u3066\u6587\u66f8\uff11\u306b\u304a\u3051\u308bTF-IDF\u3092\u8003\u3048\u3066\u307f\u307e\u3059\u3002 \u203b\u6587\u66f8\uff11\u3067\u306f\u3001\u300c\u79c1\u300d\u3001\u300c\u540d\u524d\u300d\u3001\u300c\u30b8\u30e7\u30f3\u300d\u304c\u305d\u308c\u305e\u308c\uff11\u56de\u305a\u3064\u3001\u5408\u8a08\uff13\u5358\u8a9e\u3067\u3059\u3002 \u300c\u79c1\u300d\u306f\uff13\u3064\u306e\u6587\u66f8\u5168\u3066\u3067\u51fa\u73fe\u3057\u3066\u3044\u307e\u3059\u3002\u300c\u540d\u524d\u300d\u306f\u6587\u66f8\uff11\u306e\u307f\u3001\u300c\u30b8\u30e7\u30f3\u300d\u306f\u6587\u66f8\uff11\u3068\u6587\u66f8\uff12\u306e\uff12\u3064\u306e\u6587\u66f8\u3067\u51fa\u73fe\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u3089\u3092\u3082\u3068\u306b\u3001TF\u3068IDF\u3092\u8a08\u7b97\u3057\u307e\u3059\u3002<\/p>\n<table style=\"background-color: #ebebeb;\">\n<tbody>\n<tr>\n<td>TF\uff08\u79c1\uff09\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \uff1a\u30001\/3 = 0.33..IDF\uff08\u79c1\uff09\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \uff1a\u3000log(3\/3)\u00a0 =\u00a0 0<strong>TFIDF<\/strong><strong>\uff08\u79c1\uff09\u00a0\u00a0\u00a0 <\/strong><strong>\uff1a\u3000TF<\/strong><strong>\uff08\u79c1\uff09\u00d7IDF<\/strong><strong>\uff08\u79c1\uff09 = 0<\/strong>TF(\u540d\u524d)\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \uff1a\u30001\/3 = 0.33..IDF\uff08\u540d\u524d\uff09\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \uff1a\u3000log(3\/1) = 1.09..<strong>TFIDF<\/strong><strong>\uff08\u540d\u524d\uff09 <\/strong><strong>\uff1a\u3000TF<\/strong><strong>\uff08\u540d\u524d\uff09\u00d7IDF<\/strong><strong>\uff08\u540d\u524d\uff09 = 0.366\u2026<\/strong> TF\uff08\u30b8\u30e7\u30f3\uff09\u00a0\u00a0\u00a0\u00a0\u00a0 \uff1a\u30001\/3 \u00a0= 0.33.. IDF(\u30b8\u30e7\u30f3)\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \uff1a\u3000log(3\/2) = 0.40.. <strong>TFIDF<\/strong><strong>\uff08\u30b8\u30e7\u30f3\uff09\uff1a\u3000TF<\/strong><strong>\uff08\u30b8\u30e7\u30f3\uff09\u00d7IDF<\/strong><strong>\uff08\u30b8\u30e7\u30f3\uff09 = 0.13&#8230;<\/strong><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u3057\u305f\u304c\u3063\u3066\u3001\u56f3\uff11\u306e\u4f8b\u3067\u306f\u300c\u540d\u524d\u300d\u3068\u3044\u3046\u5358\u8a9e\u304c\u7279\u5fb4\u7684\u306b\u4f7f\u7528\u3055\u308c\u3066\u3044\u308b\u3068\u8aad\u307f\u53d6\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u3053\u306e\u4f8b\u3067\u306fTF\u306f\u300c\u79c1\u300d\u3001\u300c\u540d\u524d\u300d\u3001\u300c\u30b8\u30e7\u30f3\u300d\u306e\u3069\u308c\u3082\u540c\u3058\u5024\u3092\u793a\u3057\u3066\u3044\u308b\u4e00\u65b9\u3067\u3001IDF\u304c\u5168\u3066\u306e\u6587\u66f8\u3067\u4f7f\u308f\u308c\u3066\u3044\u308b\u300c\u79c1\u300d\u304c0\u3067\u3042\u308b\u306e\u306b\u5bfe\u3057\u3001\u6587\u66f8\uff11\u3067\u3057\u304b\u4f7f\u7528\u3055\u308c\u3066\u3044\u306a\u3044\u300c\u540d\u524d\u300d\u304c1.09\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002\u305d\u306e\u305f\u3081TFIDF\u306e\u30b9\u30b3\u30a2\u304c\u9ad8\u3044\u3082\u306e\u306b\u6ce8\u76ee\u3059\u308b\u3053\u3068\u3067\u3001\u6587\u66f8\uff11\u3067\u7279\u5fb4\u7684\u306b\u4f7f\u7528\u3055\u308c\u3066\u3044\u308b\u300c\u540d\u524d\u300d\u3092\u62bd\u51fa\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002 TF-IDF\u3092\u5fdc\u7528\u3059\u308b\u3053\u3068\u3067\u591a\u6570\u306e\u6587\u66f8\u304c\u3042\u3063\u305f\u6642\u306b\u3001\u305d\u306e\u4e2d\u306e\u4e00\u90e8\u306e\u6587\u66f8\u306e\u4e2d\u3067\u7279\u5fb4\u7684\u306b\u4f7f\u7528\u3055\u308c\u3066\u3044\u308b\u30ad\u30fc\u30ef\u30fc\u30c9\u3092\u629c\u304d\u51fa\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002 \u3053\u308c\u3092\u5229\u7528\u3057\u3066\u4f5c\u6210\u304c\u53ef\u80fd\u306a\u30b5\u30fc\u30d3\u30b9\u3068\u3057\u3066\u306f\u3001<\/p>\n<ul>\n<li>\u7279\u5fb4\u8a9e\u62bd\u51fa\u30b7\u30b9\u30c6\u30e0<\/li>\n<li>\u6587\u66f8\u9593\u985e\u4f3c\u5ea6\u8a08\u7b97\u30b7\u30b9\u30c6\u30e0<\/li>\n<\/ul>\n<p>\u306a\u3069\u304c\u8003\u3048\u3089\u308c\u307e\u3059\u3002<\/p>\n<h2><span style=\"font-size: 14pt;\"><strong>3-1. LSI<\/strong><strong>\u306e\u7406\u8ad6<\/strong><\/span><\/h2>\n<p>Wikipedia\u306b<a href=\"https:\/\/ja.wikipedia.org\/wiki\/%E6%BD%9C%E5%9C%A8%E6%84%8F%E5%91%B3%E8%A7%A3%E6%9E%90\">\u8a73\u3057\u3044\u8aac\u660e<\/a>\u304c\u8f09\u3063\u3066\u3044\u305f\u305f\u3081\u3001\u6570\u5f0f\u3092\u7528\u3044\u305f\u8aac\u660e\u306f\u7701\u7565\u3057\u307e\u3059\u304c\u3001\u4ee5\u4e0b\u7406\u8ad6\u306e\u80cc\u666f\u3084\u76ee\u7684\u306b\u3064\u3044\u3066\u8ff0\u3079\u307e\u3059\u3002 LSI\u306f\u56f3\uff11\u306e\u3088\u3046\u306aBoW\u306b\u304a\u3044\u3066\u4e3b\u6210\u5206\u5206\u6790\u3068\u3044\u3046\u8003\u3048\u65b9\u3092\u7528\u3044\u3066\u884c\u304b\u5217\u306e\u6570\u3092\u6e1b\u3089\u3059\u624b\u6cd5\u3067\u3059\u3002LSI\u304c\u5fc5\u8981\u3068\u306a\u308b\u80cc\u666f\u3068\u3057\u3066\u306f\u3001\u56f3\uff11\u306e\u3088\u3046\u306b\u6587\u66f8\u6570\u3084\u5358\u8a9e\u6570\u304c\u5c11\u306a\u3044\u3046\u3061\u306f\u3088\u3044\u306e\u3067\u3059\u304c\u3001\u6587\u66f8\u6570\u3084\u5358\u8a9e\u6570\u304c\u5897\u3048\u3066\u304f\u308b\u3068\u53d6\u308a\u6271\u3044\u304c\u9762\u5012\u306b\u306a\u3063\u305f\u308a\u50be\u5411\u304c\u628a\u63e1\u3057\u306b\u304f\u304f\u306a\u3063\u305f\u308a\u3057\u3066\u3057\u307e\u3044\u3001\u4f55\u3089\u304b\u306e\u5f62\u3067\u62bd\u8c61\u5316\u3092\u884c\u3046\u5fc5\u8981\u304c\u3042\u308b\u3068\u3044\u3046\u306e\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<h2><span style=\"font-size: 14pt;\"><strong>3-2. LSI<\/strong><strong>\u306e\u5177\u4f53\u4f8b<\/strong><\/span><\/h2>\n<p>3-1\u3067\u7d39\u4ecb\u3057\u305f\u7406\u8ad6\u3084\u80cc\u666f\u306e\u8a18\u8ff0\u3060\u3051\u3067\u306f\u3001LSI\u306f\u7d50\u5c40\u3069\u306e\u3088\u3046\u306a\u3053\u3068\u3092\u3059\u308b\u306e\u304b\u304c\u308f\u304b\u308a\u306b\u304f\u3044\u3068\u601d\u3044\u307e\u3059\u306e\u3067\u3001\u4ee5\u4e0b\u5177\u4f53\u7684\u306b\u30db\u30c3\u30c8\u30ef\u30a4\u30f3\u306b\u95a2\u3059\u308b\u691c\u7d22\u7d50\u679c\u304b\u308914\u8a18\u4e8b\u30d4\u30c3\u30af\u30a2\u30c3\u30d7\u3057\u3066LSI\u5206\u6790\u3092\u884c\u306a\u3063\u3066\u307f\u305f\u904e\u7a0b\u3068\u7d50\u679c\u306b\u3064\u3044\u3066\u307e\u3068\u3081\u307e\u3059\u3002 \u30d5\u30a1\u30a4\u30eb\u306e\u9806\u756a\u306b\u95a2\u3057\u3066\u306f\u3001<\/p>\n<ol>\n<li>BoW<\/li>\n<li>\u6587\u66f8\u306e\u60c5\u5831\u3092\u5727\u7e2e\u3057\u305f\u7d50\u679c\uff08\uff12\u6b21\u5143\u3001Excel\u30b7\u30fc\u30c8\uff09<\/li>\n<li>\u5358\u8a9e\u306e\uff12\u6b21\u5143\u3078\u306e\u30de\u30c3\u30d4\u30f3\u30b0<\/li>\n<\/ol>\n<p>\u306e\u9806\u306b\u914d\u7f6e\u3092\u3057\u3066\u3044\u307e\u3059\u3002BoW\u304b\u3089\u6587\u66f8\u306e\u60c5\u5831\u3092\u5727\u7e2e\u3057\uff12\u6b21\u5143\u3067\u8868\u3059\u904e\u7a0b\u306bLSI\u3068\u3044\u3046\u624b\u6cd5\u304c\u4f7f\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002 <strong>BoW<\/strong> <a href=\"https:\/\/fc-handson.com\/wp-content\/uploads\/2015\/06\/bow\u306e\u56f3.png\"><img decoding=\"async\" class=\"alignnone size-full wp-image-433 lazyload\" data-src=\"https:\/\/fc-handson.com\/wp-content\/uploads\/2015\/06\/bow\u306e\u56f3.png\" alt=\"bow\u306e\u56f3\" width=\"1085\" height=\"348\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 1085px; --smush-placeholder-aspect-ratio: 1085\/348;\" \/><\/a> BoW\u306e\u7d50\u679c\u306e\u8aad\u307f\u65b9\u306b\u95a2\u3057\u3066\u306f\u3001\u524d\u56de\u8a18\u4e8b\u306e\u4f8b\u3067\u3082\u3054\u7d39\u4ecb\u3057\u305f\u306e\u3067\u8a73\u3057\u304f\u306f\u7701\u7565\u3057\u307e\u3059\u304c\u3001\u3053\u3053\u3067\u306f\u7e26\u65b9\u5411\u304c\u5358\u8a9e\u3001\u6a2a\u65b9\u5411\u304c\u6587\u66f8\uff0814\u8a18\u4e8b\uff09\u3092\u8868\u3057\u3066\u3044\u307e\u3059\u3002 <strong>\u6587\u66f8\u306e\u60c5\u5831\u3092\u5727\u7e2e\u3057\u305f\u7d50\u679c\uff082\u6b21\u5143\u3001Excel\u30b7\u30fc\u30c8\uff09<\/strong> <a href=\"https:\/\/fc-handson.com\/wp-content\/uploads\/2015\/06\/2\u6b21\u5143\u306b\u6587\u66f8\u60c5\u5831\u3092\u5727\u7e2e.png\"><img decoding=\"async\" class=\"alignnone size-full wp-image-432 lazyload\" data-src=\"https:\/\/fc-handson.com\/wp-content\/uploads\/2015\/06\/2\u6b21\u5143\u306b\u6587\u66f8\u60c5\u5831\u3092\u5727\u7e2e.png\" alt=\"2\u6b21\u5143\u306b\u6587\u66f8\u60c5\u5831\u3092\u5727\u7e2e\" width=\"257\" height=\"412\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 257px; --smush-placeholder-aspect-ratio: 257\/412;\" \/><\/a> \u4e0a\u56f3\u306fLSI\u3068\u3044\u3046\u624b\u6cd5\u3092\u7528\u3044\u308b\u3053\u3068\u3067\u300114\u6b21\u5143\u3042\u3063\u305f\u6587\u66f8\u306e\u60c5\u5831\u30922\u6b21\u5143\u306b\u5727\u7e2e\u3057\u305f\u3082\u306e\u3067\u3059\u3002 \u203b14\u6b21\u5143\u3067\u3042\u308c\u3070\u307e\u3060\u5fc5\u305a\u3057\u3082\u5727\u7e2e\u3059\u308b\u5fc5\u8981\u306e\u3042\u308b\u898f\u6a21\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u304c\u3001\u4f8b\u3068\u3057\u3066\u306f\u3053\u306e\u304f\u3089\u3044\u306e\u5206\u91cf\u306e\u65b9\u304c\u3088\u3044\u3068\u601d\u3044\u307e\u3057\u305f\u306e\u3067\u3001\u4e00\u65e6\u3053\u306e\u898f\u6a21\u3067\u5177\u4f53\u4f8b\u3092\u7d39\u4ecb\u3057\u307e\u3057\u305f\u3002\u7121\u8ad6\u30012\u6b21\u5143\u306b\u3059\u308b\u3053\u3068\u3067\u30de\u30c3\u30d4\u30f3\u30b0\u304c\u53ef\u80fd\u306b\u306a\u308b\u306e\u3067\u3001\u305d\u306e\u610f\u5473\u3067\u306f\u5727\u7e2e\u3059\u308b\u610f\u5473\u304c\u3042\u308a\u307e\u3059\u3002 <strong>\u5358\u8a9e\u306e2\u6b21\u5143\u3078\u306e\u30de\u30c3\u30d4\u30f3\u30b0<\/strong> <a href=\"https:\/\/fc-handson.com\/wp-content\/uploads\/2015\/06\/2\u6b21\u5143\u30de\u30c3\u30d4\u30f3\u30b0.jpg\"><img decoding=\"async\" class=\"alignnone size-full wp-image-431 lazyload\" data-src=\"https:\/\/fc-handson.com\/wp-content\/uploads\/2015\/06\/2\u6b21\u5143\u30de\u30c3\u30d4\u30f3\u30b0.jpg\" alt=\"2\u6b21\u5143\u30de\u30c3\u30d4\u30f3\u30b0\" width=\"565\" height=\"368\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 565px; --smush-placeholder-aspect-ratio: 565\/368;\" \/><\/a> \u4e0a\u56f3\u306f\u5727\u7e2e\u7d50\u679c\u3092\uff12\u6b21\u5143\u306b\u5727\u7e2e\u3057\u305f\u3082\u306e\u3092\u3001\u56f3\u306b\u30d7\u30ed\u30c3\u30c8\u3057\u305f\u7d50\u679c\u3067\u3059\u3002\uff08\u5358\u8a9e\u6570\u304c2000\u3092\u8d8a\u3048\u3066\u304a\u308a\u3001\u5168\u3066\u8868\u793a\u3059\u308b\u306b\u306f\u9650\u754c\u304c\u3042\u3063\u305f\u306e\u3067\u3001\u7d76\u5bfe\u5024\u306e\u5c0f\u3055\u3044\u5358\u8a9e\u306f\u7701\u304d\u307e\u3057\u305f\u3002\uff09\u4eca\u56de\u306e\u7d50\u679c\u3067\u306f\u3001\u30db\u30c3\u30c8\u30ef\u30a4\u30f3\u306b\u95a2\u3059\u308b\u60c5\u5831\u3068Amazon\u306b\u95a2\u3059\u308b\u60c5\u5831\u304c\u5927\u307e\u304b\u306b\u30b0\u30eb\u30fc\u30d4\u30f3\u30b0\u3067\u304d\u307e\u3057\u305f\u3002Amazon\u304c\u51fa\u3066\u304d\u305f\u306e\u306f\u300114\u8a18\u4e8b\u306e\u3072\u3068\u3064\u306b\u30db\u30c3\u30c8\u30ef\u30a4\u30f3\u304cAmazon\u3067\u7d39\u4ecb\u3055\u308c\u3066\u3044\u308b\u30da\u30fc\u30b8\u304c\u3042\u3063\u305f\u305f\u3081\u3001Amazon\u95a2\u9023\u306e\u5358\u8a9e\u304c\u8868\u793a\u3055\u308c\u308b\u3068\u3044\u3046\u7d50\u679c\u306b\u306a\u308a\u307e\u3057\u305f\u3002 \u3053\u306e\u3088\u3046\u306bLSI\u3092\u7528\u3044\u308b\u4e8b\u306b\u3088\u308a\u60c5\u5831\u306e\u5727\u7e2e\u3092\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd\u3067\u3059\u3002 \u5192\u982d\u3067\u3082\u8ff0\u3079\u307e\u3057\u305f\u304c\u3001BoW\u306f\u60c5\u5831\u91cf\u304c\u7206\u767a\u3059\u308b\u3053\u3068\u304c\u591a\u3044\u306e\u3067\u3053\u306e\u3088\u3046\u306a\u6b21\u5143\u5727\u7e2e\u306e\u624b\u6cd5\u306f\u5fc5\u9808\u3068\u306a\u308a\u307e\u3059\u3002\u3068\u306f\u3044\u3048\u3001\u6b21\u5143\u5727\u7e2e\u306e\u30a4\u30e1\u30fc\u30b8\u304c\u3064\u304b\u306a\u3044\u3068\u601d\u3044\u307e\u3059\u306e\u3067\u30013-3\u7bc0\u3067\u8fd1\u5e74\u8a71\u984c\u306eword2Vec\u3092\u7d39\u4ecb\u3057\u306a\u304c\u3089\u6b21\u5143\u5727\u7e2e\u306e\u30a4\u30e1\u30fc\u30b8\u3092\u3064\u304b\u3093\u3067\u3044\u305f\u3060\u3051\u308c\u3070\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n<h2><span style=\"font-size: 14pt;\"><strong>3-3. LSI<\/strong><strong>\u306e\u5fdc\u7528\u3000word2Vec<\/strong><\/span><\/h2>\n<p>LSI\u3092\u4f3c\u305f\u3088\u3046\u306a\u8003\u3048\u306b\u57fa\u3065\u3044\u3066\u4f5c\u6210\u3055\u308c\u305f\u30b7\u30b9\u30c6\u30e0\u3068\u3057\u3066\u3001\u6700\u8fd1\u8a71\u984c\u306eword2Vec\u304c\u3042\u308a\u307e\u3059\u3002\uff08\u5b9f\u969b\u306bword2vec\u306fLSI\u3060\u3051\u3092\u4f7f\u3063\u3066\u3044\u308b\u308f\u3051\u3067\u306f\u306a\u3044\u3088\u3046\u306a\u306e\u3067\u3059\u304c\u3001\u6b21\u5143\u5727\u7e2e\u3068\u3044\u3046\u8003\u3048\u65b9\u81ea\u4f53\u306f\u8fd1\u3044\u3082\u306e\u304c\u3042\u308b\u304b\u3068\u601d\u3044\u307e\u3059\u3002\u307e\u305f\u3001LSI\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u64ec\u4f3c\u7684\u306aword2Vec\u306e\u4f5c\u6210\u3092\u884c\u306a\u3046\u4e8b\u306f\u53ef\u80fd\u3060\u3068\u601d\u3044\u307e\u3059\u3002\uff09 word2Vec\u306e\u539f\u7406\u3068\u3057\u3066\u306f\u3001 <a href=\"https:\/\/tjo.hatenablog.com\/entry\/2014\/06\/19\/233949\">https:\/\/tjo.hatenablog.com\/entry\/2014\/06\/19\/233949<\/a> \u304c\u308f\u304b\u308a\u3084\u3059\u3044\u3067\u3059\u3002\u8981\u3059\u308b\u306b\u5358\u8a9e\u3092100\u6b21\u5143~200\u6b21\u5143\u3067\u30d9\u30af\u30c8\u30eb\u8868\u73fe\u3092\u3059\u308b\u3068\u3044\u3046\u3082\u306e\u3067\u3059\u3002\u5358\u8a9e\u3092100\uff5e200\u6b21\u5143\u3067\u30d9\u30af\u30c8\u30eb\u8868\u73fe\u3057\u3066\u3044\u308b\u3068\u3044\u3046\u3053\u3068\u306f\u3001\u5358\u8a9e\u3092100\uff5e200\u500b\u306e\u6307\u6a19\u3067\u8868\u3057\u3066\u3044\u308b\u3068\u3044\u3046\u3053\u3068\u3067\u3059\u3002\u305f\u3068\u3048\u3070\u3001\u300c\u738b\u69d8\u300d\u3067\u3042\u308c\u3070\u3001 \u6027\u5225\uff1a\u7537\u6027 \u5f79\u5272\uff1a\u5049\u3044\u3001\u56fd\u306e\u30c8\u30c3\u30d7 \u653f\u6cbb\u5f62\u614b\uff1a\u5c02\u5236\u653f\u6cbb \u306e\u3088\u3046\u306b\u3001\u3044\u304f\u3064\u304b\u306e\u6307\u6a19\u3067\u8868\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002 \u3053\u308c\u306b\u3088\u308a\u3001 \u201cking\u201d + \u201cwoman\u201d \u2013 \u201cman\u201d = \u201cqueen\u201d \u306a\u3069\u304c\u53ef\u80fd\u306b\u306a\u308a\u3001\u5358\u8a9e\u306e\u610f\u5473\u89e3\u6790\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<h2><span style=\"font-size: 14pt;\"><strong>4-1. LDA<\/strong><strong>\u306e\u7406\u8ad6<\/strong><\/span><\/h2>\n<p>LDA\u306e\u539f\u7406\u306f\u96e3\u3057\u3044\u306e\u3067\u3001\u7406\u8ad6\u306e\u8aac\u660e\u306f\u7701\u304d\u307e\u3059\u3002\u8208\u5473\u306e\u3042\u308b\u65b9\u306f\u4ee5\u4e0b\u53c2\u8003\u66f8\u7c4d\u3092\u3054\u7d39\u4ecb\u3055\u305b\u3066\u3044\u305f\u3060\u304d\u307e\u3059\u306e\u3067\u3001\u3053\u3061\u3089\u306e\u3054\u78ba\u8a8d\u3092\u304a\u9858\u3044\u81f4\u3057\u307e\u3059\u3002 <a href=\"https:\/\/fc-handson.com\/wp-content\/uploads\/2015\/06\/\u30c8\u30d4\u30c3\u30af\u30e2\u30c7\u30eb\u306b\u3088\u308b\u7d71\u8a08\u7684\u6f5c\u5728\u610f\u5473\u89e3\u6790.png\"><img decoding=\"async\" class=\"size-full wp-image-430 aligncenter lazyload\" data-src=\"https:\/\/fc-handson.com\/wp-content\/uploads\/2015\/06\/\u30c8\u30d4\u30c3\u30af\u30e2\u30c7\u30eb\u306b\u3088\u308b\u7d71\u8a08\u7684\u6f5c\u5728\u610f\u5473\u89e3\u6790.png\" alt=\"\u30c8\u30d4\u30c3\u30af\u30e2\u30c7\u30eb\u306b\u3088\u308b\u7d71\u8a08\u7684\u6f5c\u5728\u610f\u5473\u89e3\u6790\" width=\"247\" height=\"354\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 247px; --smush-placeholder-aspect-ratio: 247\/354;\" \/><\/a><a href=\"https:\/\/www.amazon.co.jp\/%E3%83%88%E3%83%94%E3%83%83%E3%82%AF%E3%83%A2%E3%83%87%E3%83%AB%E3%81%AB%E3%82%88%E3%82%8B%E7%B5%B1%E8%A8%88%E7%9A%84%E6%BD%9C%E5%9C%A8%E6%84%8F%E5%91%B3%E8%A7%A3%E6%9E%90-%E8%87%AA%E7%84%B6%E8%A8%80%E8%AA%9E%E5%87%A6%E7%90%86%E3%82%B7%E3%83%AA%E3%83%BC%E3%82%BA-%E4%BD%90%E8%97%A4%E4%B8%80%E8%AA%A0\/dp\/4339027588\">https:\/\/www.amazon.co.jp\/\u30c8\u30d4\u30c3\u30af\u30e2\u30c7\u30eb\u306b\u3088\u308b\u7d71\u8a08\u7684\u6f5c\u5728\u610f\u5473\u89e3\u6790-\u81ea\u7136\u8a00\u8a9e\u51e6\u7406\u30b7\u30ea\u30fc\u30ba-\u4f50\u85e4\u4e00\u8aa0\/dp\/4339027588<\/a> LDA\u306e\u6982\u8981\u3068\u3057\u3066\u306f\u3001\u524d\u8ff0\u306eBOW\u306f\u5358\u8a9e\u3068\u6587\u66f8\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u306e\u95a2\u4fc2\u3060\u3063\u305f\u306e\u306b\u5bfe\u3057\u3001\u5358\u8a9e\u3068\u6587\u66f8\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u306e\u9593\u306b\u30c8\u30d4\u30c3\u30af\u3068\u3044\u3046\u62bd\u8c61\u7684\u306a\u6982\u5ff5\u3092\u631f\u3080\u3053\u3068\u3067\u6587\u66f8\u3092\u30c8\u30d4\u30c3\u30af\u3068\u3044\u3046\u62bd\u8c61\u6982\u5ff5\u3067\u8868\u3059\u4e8b\u304c\u3067\u304d\u308b\u3068\u3044\u3046\u3053\u3068\u3067\u3059\u3002<\/p>\n<h2><span style=\"font-size: 14pt;\"><strong>4-2. LDA<\/strong><strong>\u306e\u5177\u4f53\u4f8b<\/strong><\/span><\/h2>\n<p>\u6982\u8981\u306e\u3068\u3053\u308d\u3067\u8ff0\u3079\u305f\u3060\u3051\u3067\u306f\u308f\u304b\u308a\u306b\u304f\u3044\u3068\u601d\u3044\u307e\u3059\u306e\u3067\u3001\u5177\u4f53\u7684\u306b\u8aac\u660e\u3055\u305b\u3066\u3044\u305f\u3060\u304d\u307e\u3059\u3002\u4ee5\u4e0b\u3001\u5b9f\u969b\u306bLDA\u5206\u6790\u3092\u884c\u3063\u305f\u6642\u306e\u5177\u4f53\u4f8b\u306e\u30d5\u30a1\u30a4\u30eb\u3092\u5143\u306b\u89e3\u8aac\u3055\u305b\u3066\u3044\u305f\u3060\u304d\u307e\u3059\u3002 \u3053\u306e\u5206\u6790\u306e\u5143\u30c7\u30fc\u30bf\u3068\u3057\u3066\u306f\u3001<\/p>\n<ul>\n<li>\u7d4c\u6e08\u7cfb\u306e\u8a18\u4e8b\uff08econo\uff09\u00a0 \u3000\u300016\u8a18\u4e8b<\/li>\n<li>\u6280\u8853\u7cfb\u306e\u8a18\u4e8b\uff08tech\uff09\u00a0\u00a0\u00a0 \u3000\u300015\u8a18\u4e8b<\/li>\n<li>\u98df\u3079\u7269\u7cfb\u306e\u8a18\u4e8b\uff08food\uff09\u3000\u300018\u8a18\u4e8b<\/li>\n<li>\u30ad\u30e3\u30ea\u30a2\u7cfb\u306e\u8a18\u4e8b\uff08carrer\uff0912\u8a18\u4e8b<\/li>\n<li>\u8da3\u5473\u7cfb\u306e\u8a18\u4e8b\uff08hobby\uff09 \u3000\u300013\u8a18\u4e8b<\/li>\n<\/ul>\n<p>\u306e\u8a0874\u8a18\u4e8b\u306b\u5bfe\u3057\u3066LDA\u3092\u884c\u3063\u305f\u7d50\u679c\u3067\u3059\u3002LDA\u3092\u884c\u3046\u969b\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u3067\u3042\u308b\u30c8\u30d4\u30c3\u30af\u306e\u6570\u306f10\u3067\u884c\u3044\u307e\u3057\u305f\u3002 \u4ee5\u4e0b\u7d50\u679c\u306e\u8aac\u660e\u3067\u3059\u3002 \u25c6\u5358\u8a9e\u3068\u30c8\u30d4\u30c3\u30af\u306e\u30d5\u30a1\u30a4\u30eb\u306b\u95a2\u3057\u3066 \u56f33\u304c\u5358\u8a9e\u3068\u30c8\u30d4\u30c3\u30af\u306b\u95a2\u3057\u3066\u306eLDA\u306e\u7d50\u679c\u3092\u52a0\u5de5\u3057\u305f\u3082\u306e\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p style=\"text-align: center;\"><a href=\"https:\/\/fc-handson.com\/wp-content\/uploads\/2015\/06\/\u5358\u8a9e\u3092\u30c8\u30d4\u30c3\u30af\u5225\u306b\u5206\u985e.png\"><img decoding=\"async\" class=\"alignnone size-full wp-image-429 lazyload\" data-src=\"https:\/\/fc-handson.com\/wp-content\/uploads\/2015\/06\/\u5358\u8a9e\u3092\u30c8\u30d4\u30c3\u30af\u5225\u306b\u5206\u985e.png\" alt=\"\u5358\u8a9e\u3092\u30c8\u30d4\u30c3\u30af\u5225\u306b\u5206\u985e\" width=\"5047\" height=\"2957\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 5047px; --smush-placeholder-aspect-ratio: 5047\/2957;\" \/><\/a>\u56f3\uff13\u3000\u5358\u8a9e\u3068\u30c8\u30d4\u30c3\u30af<\/p>\n<p>\u56f3\u306e\u3088\u3046\u306a\u624b\u9806\u3067\u3001\u5404\u30c8\u30d4\u30c3\u30af\u306e\u540d\u4ed8\u3051\u3092\u884c\u3044\u307e\u3059\u3002\u3053\u3053\u3067\u540d\u3065\u3051\u3092\u884c\u3063\u305f\u30c8\u30d4\u30c3\u30af\u3092\u5143\u306b\u6587\u66f8\u306b\u95a2\u3057\u3066\u5206\u6790\u3092\u884c\u3044\u307e\u3059\u3002 \u25c6\u6587\u66f8\u3068\u30c8\u30d4\u30c3\u30af\u306e\u30d5\u30a1\u30a4\u30eb\u306b\u95a2\u3057\u3066 \u56f34\u304c\u6587\u66f8\u3068\u30c8\u30d4\u30c3\u30af\u306b\u95a2\u3057\u3066\u306eLDA\u306e\u7d50\u679c\u3092\u52a0\u5de5\u3057\u305f\u3082\u306e\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p style=\"text-align: center;\"><a href=\"https:\/\/fc-handson.com\/wp-content\/uploads\/2015\/06\/\u6587\u66f8\u3068\u30c8\u30d4\u30c3\u30af.png\"><img decoding=\"async\" class=\"alignnone size-full wp-image-428 aligncenter lazyload\" data-src=\"https:\/\/fc-handson.com\/wp-content\/uploads\/2015\/06\/\u6587\u66f8\u3068\u30c8\u30d4\u30c3\u30af.png\" alt=\"\u6587\u66f8\u3068\u30c8\u30d4\u30c3\u30af\" width=\"1033\" height=\"796\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 1033px; --smush-placeholder-aspect-ratio: 1033\/796;\" \/><\/a>\u56f3\uff14\u3000\u6587\u66f8\u3068\u30c8\u30d4\u30c3\u30af<\/p>\n<p>\u56f3\u3088\u308a\u3001\u7d4c\u6e08\u7cfb\uff08econo\uff09\u306e\u8a18\u4e8b\u306f\u300c\u30cb\u30e5\u30fc\u30b9\u7cfb\u30c8\u30d4\u30c3\u30af\u300d\u3001\u300c\u30d3\u30b8\u30cd\u30b9\u7cfb\u30c8\u30d4\u30c3\u30af\u300d\u3001\u300c\u65e5\u7d4c\u65b0\u805e\u7cfb\u30c8\u30d4\u30c3\u30af\u300d\u306e\uff13\u3064\u306e\u30c8\u30d4\u30c3\u30af\u3067\u6210\u308a\u7acb\u3063\u3066\u304a\u308a\u3001\u6280\u8853\u7cfb\uff08tech\uff09\u8a18\u4e8b\u306f\u300c\u30cb\u30e5\u30fc\u30b9\u7cfb\u30c8\u30d4\u30c3\u30af\u300d\u3068\u300c\u7814\u7a76\u30c8\u30d4\u30c3\u30af\u300d\u3067\u6210\u308a\u7acb\u3063\u3066\u3044\u308b\u4e8b\u304c\u308f\u304b\u308a\u307e\u3059\u3002\u307e\u305f\u3001\u98df\u4e8b\u7cfb\uff08food\uff09\u306e\u8a18\u4e8b\u306f\u300c\u98df\u4e8b\u3001\u5065\u5eb7\u7cfb\u306e\u30c8\u30d4\u30c3\u30af\u300d\u3067\u4e3b\u306b\u6210\u308a\u7acb\u3063\u3066\u3044\u307e\u3057\u305f\u3002 \u4ee5\u4e0a\u306e\u3088\u3046\u306b\u3001LDA\u3092\u7528\u3044\u308b\u4e8b\u306b\u3088\u308a\u3001\u6587\u66f8\u3092\u30c8\u30d4\u30c3\u30af\u3068\u3044\u3046\u62bd\u8c61\u6982\u5ff5\u306e\u69cb\u6210\u6bd4\u3067\u8868\u3059\u4e8b\u304c\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<h2><span style=\"font-size: 14pt;\"><strong>5. \u307e\u3068\u3081<\/strong><\/span><\/h2>\n<p>\u4ee5\u4e0b\u304c\u3001\u7b2c\uff12\u56de\u306e\u307e\u3068\u3081\u3067\u3059\u3002<\/p>\n<ul>\n<li>\u30c6\u30ad\u30b9\u30c8\u30de\u30a4\u30cb\u30f3\u30b0\u306fBoW\u3092\u5143\u306b\u5206\u6790\u3092\u884c\u306a\u3046<\/li>\n<li>TF-IDF\u306f\u7279\u5fb4\u8a9e\u62bd\u51fa\u306e\u305f\u3081\u306b\u7528\u3044\u3089\u308c\u308b<\/li>\n<li>LSI\u306f\u6b21\u5143\u5727\u7e2e\u306e\u305f\u3081\u306b\u7528\u3044\u3089\u308c\u308b<\/li>\n<li>LDA\u306f\u6587\u66f8\u3092\u30c8\u30d4\u30c3\u30af\u3068\u3044\u3046\u62bd\u8c61\u6982\u5ff5\u306e\u69cb\u6210\u6bd4\u3067\u8868\u3059\u305f\u3081\u306b\u7528\u3044\u3089\u308c\u308b<\/li>\n<\/ul>\n<p>\u3044\u304b\u304c\u3067\u3057\u305f\u3067\u3057\u3087\u3046\u304b\u3001\u3082\u3057\u304b\u3057\u305f\u3089\u3044\u3055\u3055\u304b\u96e3\u89e3\u306a\u8a71\u304c\u7d9a\u3044\u3066\u3057\u307e\u3063\u305f\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002 \u6b21\u56de\u306f\u3001\u7b2c\uff11\u56de\u30fb\u7b2c\uff12\u56de\u3067\u307e\u3068\u3081\u305f\u30c6\u30ad\u30b9\u30c8\u30de\u30a4\u30cb\u30f3\u30b0\u306e\u77e5\u898b\u3092\u5143\u306b\u691c\u7d22\u30a8\u30f3\u30b8\u30f3\u306e\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u306b\u5bfe\u3057\u3066\u8feb\u308a\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002\u305d\u308c\u3067\u306f\u5f15\u304d\u7d9a\u304d\u3088\u308d\u3057\u304f\u304a\u9858\u3044\u3057\u307e\u3059\u3002 <div class=\"box-prof\">\n<p class=\"box-prof__ttl\">\u8457\u8005PROFILE<\/p>\n<div class=\"inner\">\n<img decoding=\"async\" data-src=\"https:\/\/mieru-ca.com\/blog\/wp-content\/uploads\/2018\/02\/logo_m_sp.png\" alt=\"\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" class=\"lazyload\" style=\"--smush-placeholder-width: 146px; --smush-placeholder-aspect-ratio: 146\/73;\" \/>\n<div class=\"txt\">\n<span class=\"name\">\u30df\u30a8\u30eb\u30ab\u7814\u7a76\u6240 \u6240\u9577<\/span>\n<p>\u30df\u30a8\u30eb\u30ab\u7814\u7a76\u6240\u306f\u3001\u4eba\u5de5\u77e5\u80fd\u3068\u8a00\u8a9e\u51e6\u7406\u306e\u529b\u3067\u3001\u300c\u8a00\u8449\u300d\u306e\u6301\u3064\u53ef\u80fd\u6027\u3092\u8ffd\u53ca\u3001\u7814\u7a76\u3057\u3066\u3044\u304f\u305f\u3081\u306e\u7814\u7a76\u6240\u3067\u3059\u3002<br \/>\n<a href=\"http:\/\/mieru-ca.com\/\">SEO&\u30b3\u30f3\u30c6\u30f3\u30c4\u30de\u30fc\u30b1\u30c6\u30a3\u30f3\u30b0\u30fb\u30aa\u30a6\u30f3\u30c9\u30e1\u30c7\u30a3\u30a2\u652f\u63f4\u30c4\u30fc\u30eb\u300c\u30df\u30a8\u30eb\u30ab\u300d<\/a>\u3092\u63d0\u4f9b\u3059\u308bFaber Company\u304c\u6bcd\u4f53\u3068\u306a\u3063\u3066\u307e\u3059\u3002\n<\/p>\n<\/div>\n<\/div>\n<\/div><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u7b2c\uff11\u56de\u3067\u306f\u3001\u30c6\u30ad\u30b9\u30c8\u30de\u30a4\u30cb\u30f3\u30b0\u306e\u524d\u6bb5\u968e\u3068\u306a\u308b\u5f62\u614b\u7d20\u89e3\u6790\u306e\u4ed5\u7d44\u307f\u304b\u3089\u5f62\u614b\u7d20\u89e3\u6790\u3092\u7528\u3044\u305f\u884c\u5217\u5316\uff08BoW\uff09\u306a\u3069\u306e\u57fa\u672c\u4e8b\u9805\u306b\u3064\u3044\u3066\u8aac\u660e\u81f4\u3057\u307e\u3057\u305f\u3002\u7b2c\uff12\u56de\u3067\u306f\u3001\u884c\u5217\u5316\u3057\u305f\u30c6\u30ad\u30b9\u30c8\u30c7\u30fc\u30bf\u304b\u3089\u3069\u306e\u3088\u3046\u306b\u77e5\u898b\u3092\u53d6\u308a\u51fa\u3059\u304b\u3068\u3044\u3046\u8a71\u304c\u3067\u304d\u308c\u2026<\/p>\n","protected":false},"author":1,"featured_media":13182,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[4],"tags":[],"class_list":["post-303","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-web_marketing"],"acf":[],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/mieru-ca.com\/blog\/wp-json\/wp\/v2\/posts\/303","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/mieru-ca.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mieru-ca.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mieru-ca.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/mieru-ca.com\/blog\/wp-json\/wp\/v2\/comments?post=303"}],"version-history":[{"count":0,"href":"https:\/\/mieru-ca.com\/blog\/wp-json\/wp\/v2\/posts\/303\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/mieru-ca.com\/blog\/wp-json\/wp\/v2\/media\/13182"}],"wp:attachment":[{"href":"https:\/\/mieru-ca.com\/blog\/wp-json\/wp\/v2\/media?parent=303"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mieru-ca.com\/blog\/wp-json\/wp\/v2\/categories?post=303"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mieru-ca.com\/blog\/wp-json\/wp\/v2\/tags?post=303"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}