{"author_url":"https://blog.hatena.ne.jp/takuya-a/","version":"1.0","width":"100%","height":"190","image_url":"https://cdn-ak.f.st-hatena.com/images/fotolife/t/takuya-a/20201213/20201213035542.png","provider_name":"Hatena Blog","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fstop-the-world.hatenablog.com%2Fentry%2Fcs276-information-retrieval-12\" title=\"Information Retrieval and Web Search \u307e\u3068\u3081(12): \u78ba\u7387\u7684\u60c5\u5831\u691c\u7d22(1) \u78ba\u7387\u30e9\u30f3\u30ad\u30f3\u30b0\u539f\u7406\u3068\u30d0\u30a4\u30ca\u30ea\u72ec\u7acb\u30e2\u30c7\u30eb - stop-the-world\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","title":"Information Retrieval and Web Search \u307e\u3068\u3081(12): \u78ba\u7387\u7684\u60c5\u5831\u691c\u7d22(1) \u78ba\u7387\u30e9\u30f3\u30ad\u30f3\u30b0\u539f\u7406\u3068\u30d0\u30a4\u30ca\u30ea\u72ec\u7acb\u30e2\u30c7\u30eb","categories":[],"type":"rich","published":"2020-12-12 23:58:00","provider_url":"https://hatena.blog","blog_url":"https://stop-the-world.hatenablog.com/","url":"https://stop-the-world.hatenablog.com/entry/cs276-information-retrieval-12","author_name":"takuya-a","blog_title":"stop-the-world","description":"\u524d\u56de\u306f\u3001TF-IDF \u3068\u30b3\u30b5\u30a4\u30f3\u985e\u4f3c\u5ea6\u306b\u3088\u308b\u6587\u66f8\u306e\u30b9\u30b3\u30a2\u30ea\u30f3\u30b0\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u305f\u3002\u4eca\u56de\u304b\u3089\u306f\u78ba\u7387\u7684\u30e2\u30c7\u30eb\u3092\u53d6\u308a\u5165\u308c\u305f\u60c5\u5831\u691c\u7d22\u3067\u3042\u308b\u3001\u78ba\u7387\u8ad6\u7684\u60c5\u5831\u691c\u7d22\u306b\u3064\u3044\u3066\u7d39\u4ecb\u3059\u308b\u3002 \u3053\u306e\u8a18\u4e8b\u306f Information Retrieval and Web Search Advent Calendar 2020 \u306e12\u65e5\u76ee\u306e\u8a18\u4e8b\u3067\u3059\u3002 adventar.org \u78ba\u7387\u7684\u60c5\u5831\u691c\u7d22\u306e\u5fc5\u8981\u6027 \u78ba\u7387\u30e9\u30f3\u30ad\u30f3\u30b0\u539f\u7406 \u78ba\u7387\u7684\u60c5\u5831\u691c\u7d22\u306e\u6226\u7565 \u30d0\u30a4\u30ca\u30ea\u72ec\u7acb\u30e2\u30c7\u30eb \u8b1b\u7fa9\u8cc7\u6599 \u53c2\u8003\u8cc7\u6599 \u78ba\u7387\u7684\u60c5\u5831\u691c\u7d22\u306e\u5fc5\u8981\u6027 \u30e9\u30f3\u30af\u4ed8\u304d\u691c\u7d22\u306b\u304a\u3044\u3066\u3001\u901a\u5e38\u306e\u30d6\u30fc\u30ea\u30a2\u30f3\u691c\u7d22 (\u30af\u30a8\u30ea\u3092 AND, OR, NOT \u3067\u7d44\u307f\u7acb\u3066\u308b\u691c\u7d22) \u306b\u306f\u3001\u691c\u7d22\u7d50\u679c\u304c\u3057\u3070\u3057\u2026"}