{"blog_title":"stop-the-world","categories":[],"width":"100%","url":"https://stop-the-world.hatenablog.com/entry/cs276-information-retrieval-14","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fstop-the-world.hatenablog.com%2Fentry%2Fcs276-information-retrieval-14\" title=\"Information Retrieval and Web Search \u307e\u3068\u3081(14): \u8a55\u4fa1(1) - 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>","provider_url":"https://hatena.blog","title":"Information Retrieval and Web Search \u307e\u3068\u3081(14): \u8a55\u4fa1(1)","author_url":"https://blog.hatena.ne.jp/takuya-a/","provider_name":"Hatena Blog","type":"rich","version":"1.0","image_url":"https://cdn-ak.f.st-hatena.com/images/fotolife/t/takuya-a/20201214/20201214235205.png","description":"\u524d\u56de\u306f\u3001\u78ba\u7387\u7684\u751f\u6210\u30e2\u30c7\u30eb\u304b\u3089\u5c0e\u51fa\u3055\u308c\u305f\u91cd\u307f\u4ed8\u3051\u624b\u6cd5\u3067\u3042\u308b Okapi BM25 \u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u305f\u3002\u4eca\u56de\u304b\u3089\u691c\u7d22\u30b7\u30b9\u30c6\u30e0\u306e\u8a55\u4fa1\u306b\u3064\u3044\u3066\u8aac\u660e\u3059\u308b\u3002 \u3053\u306e\u8a18\u4e8b\u306f Information Retrieval and Web Search Advent Calendar 2020 \u306e14\u65e5\u76ee\u306e\u8a18\u4e8b\u3067\u3059\u3002 adventar.org \u9069\u5408\u6027\u5224\u5b9a \u691c\u7d22\u30b7\u30b9\u30c6\u30e0\u306e\u8a55\u4fa1 \u30e9\u30f3\u30af\u306a\u3057\u691c\u7d22\u306e\u8a55\u4fa1\uff1a\u7cbe\u5ea6\u3068\u518d\u73fe\u7387 \u30e9\u30f3\u30af\u3064\u304d\u691c\u7d22\u8a55\u4fa1\u6307\u6a19 \u518d\u73fe\u7387-\u7cbe\u5ea6\u66f2\u7dda Precision@K Mean Average Precision (MAP) \u8b1b\u7fa9\u8cc7\u6599 \u53c2\u8003\u8cc7\u6599 \u9069\u5408\u6027\u5224\u5b9a \u9069\u5408\u6027\u3092\u8a55\u4fa1\u3059\u308b\u305f\u3081\u306b\u306f\u3001\u4ee5\u4e0b\u306e3\u3064\u3092\u542b\u3080\u30c7\u30fc\u30bf\u304c\u5fc5\u8981\u2026","published":"2020-12-14 23:53:31","blog_url":"https://stop-the-world.hatenablog.com/","author_name":"takuya-a","height":"190"}