{"provider_url":"https://hatena.blog","categories":[],"author_url":"https://blog.hatena.ne.jp/n_hidekey/","image_url":null,"provider_name":"Hatena Blog","published":"2012-02-04 22:59:32","blog_url":"https://n-hidekey.hatenadiary.org/","url":"https://n-hidekey.hatenadiary.org/entry/20120204/1328363972","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fn-hidekey.hatenadiary.org%2Fentry%2F20120204%2F1328363972\" title=\" \u5f93\u6765\u578bBoVW\u306e\u5909\u63db - n_hidekey\u306e\u65e5\u8a18\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","title":" \u5f93\u6765\u578bBoVW\u306e\u5909\u63db","type":"rich","description":"Explicit feature map \u3053\u308c\u306b\u95a2\u3057\u3066\u306f\u3069\u3061\u3089\u304b\u3068\u3044\u3046\u3068\u8b58\u5225\u5668\u306e\u5de5\u592b\u3067\u3001BoVW\u3068\u3044\u3046\u8868\u73fe\u305d\u306e\u3082\u306e\u306f\u4f55\u3082\u5909\u308f\u308a\u306a\u3044\u306e\u3067\u3059\u304c\u3051\u3063\u3053\u3046\u5927\u4e8b\u3060\u3068\u601d\u3046\u306e\u3067\u3002\u5192\u982d\u3067\u8ff0\u3079\u305f\u3088\u3046\u306bBoVW\u306b\u306f\u975e\u7dda\u5f62\u30ab\u30fc\u30cd\u30eb\u306e\u5229\u7528\u304c\u5fc5\u8981\u3067\u3057\u305f\u3002\u3082\u3068\u3082\u3068\u30ab\u30fc\u30cd\u30eb\u306funknown\u306a\u9ad8\u6b21\u5143\u7a7a\u9593\u306b\u304a\u3051\u308b\u5185\u7a4d\u3092\u89b3\u6e2c\u7a7a\u9593\u3067\u884c\u3046\u305f\u3081\u306e\u30c4\u30fc\u30eb\u3067\u3057\u305f\u304c\u3001\u3053\u308c\u3092\u7528\u3044\u308b\u3068\u30b5\u30f3\u30d7\u30eb\u6570\u306b\u5bfe\u3059\u308b\u30b9\u30b1\u30fc\u30e9\u30d3\u30ea\u30c6\u30a3\u306f\u8457\u3057\u304f\u843d\u3061\u307e\u3059\uff08O(n^2)\u301cO(n^3)\uff09\u3002\u3060\u3063\u305f\u3089\u3001\u305d\u306e\u9ad8\u6b21\u5143\u7a7a\u9593\u3078\u306e\u5199\u50cf\uff08feature map\uff09\u3092\u660e\u793a\u7684\u306b\u66f8\u304d\u4e0b\u3057\u3066\u3057\u307e\u3063\u3066\u76f4\u63a5\u7dda\u5f62\u8b58\u5225\u5668\uff08O(n)\uff09\u3092\u4f7f\u3048\u3070\u3044\u3044\u3058\u3083\u306a\u3044\u304b\u3068\u3044\u3046\u306e\u304c\u30e2\u30c1\u30d9\u30fc\u30b7\u30e7\u30f3\u3067\u3059\u3002\u3082\u3061\u308d\u3093\u3001\u4e00\u822c\u7684\u306b\u2026","height":"190","author_name":"n_hidekey","width":"100%","version":"1.0","blog_title":"n_hidekey\u306e\u65e5\u8a18"}