Introduction to Information Retrieval ã® è¼ªè¬ ã«åå ãã¦ãã¾ããèªåã¯ãã®è¼ªè¬ã§å¾©ç¿ä¿ãæ å½ããã¦ããã£ã¦ãã¾ããæ¯å輪è¬ã®é ã«ãåååã®å 容ããµããªãã¦ãã¬ã¼ã³ãã¼ã·ã§ã³ããä¿ã§ãã ãããã輪è¬ã®åº¦ãä½æããè³æãå ¬éãã¦ããããã¨æãã¾ãã第ä¸åç®ã®è³æã以ä¸ã«ç½®ãã¦ããã¾ãã http://bloghackers.net/~naoya/iir/ppt/iir_01.ppt (ppt, 274K) 第ä¸åç®ã¯ãæ¸ç±ã®ç¬¬ä¸ç« "Boolean Retrieval" ã®å¾©ç¿ã§ãã大è¦æ¨¡ãã¼ã¿ãæ¤ç´¢ããæ¤ç´¢ã·ã¹ãã ã«ããã¦ã転置ã¤ã³ããã¯ã¹ã¯ã©ã®ããã«ä½æãããããã¾ããã¼ãªã¢ã³æ¤ç´¢ (ãæ¸è°· and ã©ã¼ã¡ã³ãã¨ããæ¤ç´¢ã¯ã¨ãªã®é¡) ã¯ã©ãå¦çããããã¨ãã£ããã¨ã®å°å ¥é¨ã§ãã å é±æ«ã®ç¬¬äºåç®ã¯ã転置ã¤ã³ããã¯ã¹ä½ææã®åå¦çé¨å(ãã¼ã¯ãã¤ãºã
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