{"title":"\u95a2\u4fc2\u570f\u3068\u30b9\u30d1\u30f3\u306e\u570f","version":"1.0","provider_name":"Hatena Blog","published":"2011-05-20 15:03:45","categories":["\u96d1\u8a18\uff0f\u5099\u5fd8"],"author_name":"m-hiyama","type":"rich","image_url":null,"provider_url":"https://hatena.blog","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fm-hiyama.hatenablog.com%2Fentry%2F20110520%2F1305871425\" title=\"\u95a2\u4fc2\u570f\u3068\u30b9\u30d1\u30f3\u306e\u570f - \u6a9c\u5c71\u6b63\u5e78\u306e\u30ad\u30de\u30a4\u30e9\u98fc\u80b2\u8a18 (\u306f\u3066\u306aBlog)\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","author_url":"https://blog.hatena.ne.jp/m-hiyama/","blog_url":"https://m-hiyama.hatenablog.com/","height":"190","width":"100%","description":"\u8a08\u7b97\u30e2\u30c7\u30eb\u306b\u95a2\u3057\u3066\u306f\u3001\u96c6\u5408\u570f\u3088\u308a\u3080\u3057\u308d\u4fbf\u5229\u306a\u570fRel\u3092\u7d39\u4ecb\u3057\u3001Rel\u3068\u4f3c\u305f\u6027\u8cea\u3092\u6301\u3064\u570f\u306e\u69cb\u6210\u6cd5\u3092\u63a2\u3063\u3066\u307f\u307e\u3059\u3002\u5185\u5bb9\uff1a \u95a2\u4fc2\u570f\u306e\u7d39\u4ecb \u95a2\u4fc2\u570f\u307f\u305f\u3044\u306a\u570f \u30b9\u30d1\u30f3\u306e\u570f \u96c6\u5408\u570f\u306e\u30b9\u30d1\u30f3\u570f\u3068\u95a2\u4fc2\u570f \u95a2\u4fc2\u570f\u306e\u7d39\u4ecbA\u3068B\u304c\u96c6\u5408\u3060\u3068\u3057\u3066\u3001A\u3068B\u306e\u3042\u3044\u3060\u306e\uff08\u4e8c\u9805\uff09\u95a2\u4fc2\u3068\u306f\u3001A\u00d7B\u306e\u90e8\u5206\u96c6\u5408R\u306e\u3053\u3068\u3067\u3059\u3002(a, b)\u2208R \u306e\u3053\u3068\u3092\u3001\u300ca\u3068b\u306f\u95a2\u4fc2R\u306b\u3042\u308b\u300d\u3068\u3044\u3044\u3001aRb \u306e\u3088\u3046\u306b\u66f8\u304f\u3053\u3068\u3082\u3042\u308a\u307e\u3059\u3002aRb \u3068\u3044\u3046\u66f8\u304d\u65b9\u306f\u3001a\u2266b \u306e\u3088\u3046\u306b\u3001\u95a2\u4fc2\u3092\u4e8c\u9805\u4e2d\u7f6e\u6f14\u7b97\u5b50\u306e\u5f62\u5f0f\u3067\u8868\u73fe\u3057\u305f\u3082\u306e\u3067\u3059\u3002A\u3068B\u306e\u3042\u3044\u3060\u306e\u95a2\u4fc2\u306e\u5168\u4f53\u3092 Rel(A, B) \u3068\u3057\u307e\u3057\u3087\u3046\u3002\u95a2\u4fc2\u306e\u5b9a\u7fa9\u304b\u3089\u3001Rel(A, B) = Pow(A\u00d7B) \uff08Pow\u2026","url":"https://m-hiyama.hatenablog.com/entry/20110520/1305871425","blog_title":"\u6a9c\u5c71\u6b63\u5e78\u306e\u30ad\u30de\u30a4\u30e9\u98fc\u80b2\u8a18 (\u306f\u3066\u306aBlog)"}