Algorithm °æ (¾«»ªÇø)
·¢ÐÅÈË: ssos (´æÔÚÓëÐéÎÞ), ÐÅÇø: Algorithm
±ê Ìâ: ¹ÅÊ«Ñо¿µÄ¼ÆËã»úÖ§³Ö»·¾³
·¢ÐÅÕ¾: ¹þ¹¤´ó×϶¡Ïã (2001Äê06ÔÂ08ÈÕ21:14:07 ÐÇÆÚÎå), Õ¾ÄÚÐżþ
ÅÊ«Ñо¿µÄ¼ÆËã»úÖ§³Ö»·¾³µÄʵÏÖ*
ÁõÑÒ±ó ÓáÊ¿ãë ËïÇÕÉÆ
(±±¾©´óѧ¼Æ
ËãÓïÑÔѧÑо¿Ëù) (±±¾©´óѧ¹ÅÎÄÏ×Ñо¿Ëù)
¡¾ÕªÒª¡¿ ±±¾©´óѧÕýÔÚ¿ª·¢ÒÔÈ«ËÎʫΪÊ×Ñ¡¶ÔÏóµÄ¹ÅÊ«Ñо¿ÏµÍ³¡ª¡ª¹ÅÊ«Ñо¿µÄ¼Æ
Ëã»úÖ§³Ö»·¾³¡£±¾ÎĽéÉÜÕâ¸öϵͳµÄÉè¼ÆÓëʵÏÖ¡£¸ÃϵͳÒѼÈë½ÓεÄÈ«²¿Ê«×÷9000Óà
Ê×¼°²¿·Ö×¢ÊÍ£¬¼Æ88Íò×Ö¡£±¾ÎĽéÉÜÁ˸ÃϵͳµÄ»ù±¾¹¦ÄÜÈ磺¼ìË÷¡¢ÔĶÁ¡¢Í³¼ÆºÍ¸¨Öú
Ñо¿¹¤¾ß¼°ÆäʵÏÖ¼¼Êõ£¬½ÏÏêϸµØ½éÉÜÁËÆäÖеÄÈ«ÎļìË÷ºÍ³¬Îı¾¼¼Êõ¡£±¾ÎÄÒ²½éÉÜÁË
ÀûÓøÃϵͳ¿ÉÒÔÉîÈ뿪չµÄһЩÑо¿¿ÎÌ⣬È磺¹ÅÊ«¸ñÂÉÑо¿£¬¹ÅººÓïÑо¿ºÍÊ«ÈË·ç¸ñ
Ñо¿£¬´Ó¶ø¿ÉÒÔ¸¨Öú½â¾ö¹ÅÊ«Ñо¿ÖеÄһЩÀ§ÄÑÎÊÌâ¡£
¹Ø¼ü´Ê£º¹ÅÊ«µç×Ó»¯ È«ÎļìË÷
Ò»¡¢ÒýÑÔ
ÖлªÃñ×åÔ´Ô¶Á÷³¤µÄÎÄ»¯»ýÀÛÁ˷ḻ¶à²ÊµÄ¹Å¼®¡£ÔÚ²½ÈëÐÅÏ¢»¯Éç»áµÄ½ñÌ죬ÎÒÃÇ
È´²»ÎÞÒź¶µØ·¢ÏÖ£¬¶Ô¹Å¼®µÄÑо¿Êֶλ¹´ó¶à²ÉÓÃÊÖ¹¤·½Ê½¡£ÕâÖÖ·½Ê½Ð§Âʵ͡¢·ÑÈ˹¤
£¬Òò´ËÎÒÃÇÔڹż®Ñо¿ÖÐÒýÈë¼ÆËã»ú£¬Îª¹Å¼®Ñо¿ÕßÌṩ¸¨Öú¹¤¾ßÒÑÊÇ´óÊÆËùÇ÷¡£
¹ÅÊ«ÊǺÆ嫵Ĺż®ÄÚÈÝÖеÄÒ»¸öÖØÒª²¿·Ö£¬ËüµÄ½á¹¹ÑÏÕû¡¢¾äʽ¼òµ¥¡£Ê×ÏȶԹÅÊ«Ñо¿
µÄ¼ÆËã»ú»¯½øÐÐ̽Ë÷£¬È»ºóÀ©³äµ½Ò»°ã¹Å¼®ÊÇÒ»¸öʵÓÃÓÐЧµÄ;¾¶¡£¡¶¹ÅÊ«Ñо¿µÄ¼ÆËã
»úÖ§³Å»·¾³¡·Õâ¸öϵͳµÄ¿ª·¢¹ý³Ì¾ÍÊÇÌåÏÖÁËÕâһ˼Ïë¡£
±±¾©´óѧ¹ÅÎÄÏ×Ñо¿Ëù×Ô1986ÄêÆð³Ðµ£ÁËÈ«¹ú¸ßУ¹Å¼®ÕûÀíÑо¿¹¤×÷ίԱ»áÏ´ïµÄÖصã
ÏîÄ¿¡¶È«ËÎÊ«¡·µÄ±à×빤×÷¡£¡¶È«ËÎÊ«¡·¼Æ»®³ö60²á£¬¼Æ3£¬300Íò×Ö¡£1994Äê³õ£¬±±´ó
¹ÅÎÄÏ×Ñо¿ËùÓë±±´ó¼ÆËãÓïÑÔѧÑо¿Ëù¿ªÊ¼ºÏ×÷¿ª·¢¡°¹ÅÊ«Ñо¿µÄ¼ÆËã»úÖ§³Ö»·¾³¡±¡£
Ë«·½ÈÏʶµ½£¬ÒÔÈ«ËÎʫΪӦÓöÔÏ󿪷¢µÄ¹ÅÊ«¸¨ÖúÑо¿ÏµÍ³²»½ö¾ßÓÐÒ»°ãµÄ¼ÆËã»ú»¯¹Å
¼®ÏµÍ³µÄ¼ÛÖµ£¬¶øÇÒ¿ÉÒÔ·¢»ÓË«·½ÔÚÊý¾Ý×ÊÔ´¡¢ÖªÊ¶´¢±¸µÈ·½ÃæËùÓµÓеÄÓÅÊÆ¡£
¶þ¡¢ÏµÍ³¸ÅÒª
±¾ÏµÍ³¿ª·¢µÄ×ÚÖ¼£¬²»½ö½öÊÇΪÁËʵÏÖ¹ÅÊ«°æ±¾µÄµç×Ó»¯[1]£¬¸üÖØÒªµÄ£¬ËüµÄÉè¼ÆÊÇÃæ
Ïò
¹Å¼®Ñо¿Õߵģ¬Ä¿µÄÔÚÓÚΪ¹Å¼®Ñо¿ÕßÌṩһ¸öÏȽø¡¢·½±ãµÄ¼ÆËã»ú»·¾³ÒÔ±ãÆäÄܽøÐÐ
Éî²ã´ÎµÄÑо¿£¬ÕâЩÑо¿Èç¹ûûÓмÆËã»úµÄ°ïÖú£¬»òÕßÊÇδÔøÏëµ½µÄ£¬»òÕßÊǼ´±ãÏëµ½
ÁË£¬½ö¿¿ÈËÁ¦ÓëÊÖ¹¤£¬Êµ¼ÊÉÏÒ²ÊÇÎÞ·¨ÊµÊ©µÄ¡£
ÔÚÊÔÑéµÄÔÐÍϵͳÖУ¬ÎÒÃÇÑ¡ÔñÄÏËÎÖøÃûÊ«È˽ÓεÄÈ«²¿Ê«×÷×÷Ϊ´¦Àí¶ÔÏó¡£Â½ÓÎÊÇËÎ
´ú×÷Æ·×î¶àµÄÊ«ÈË£¬ÏÖ´æµÄ×÷Æ·9£¬000ÓàÊ×£¬¸²¸Ç¹ÅÌåÊ«¡¢½üÌåÊ«µÄ¸÷ÖÖÊ«Ìå¡£ÒÔÇ®ÖÙ
ÁªÐ£×¢µÄ¡¶½£ÄÏÊ«¸åУע¡·Îªµ×±¾£¬ÏµÍ³ÒÑ´æÈëÁ˽ÓÎÊ«×÷µÄÕýÎÄÓë¸ö±ð×¢ÊÍ£¬¼ÆÔ¼88
Íò×Ö£¬²¢ÇÒÔÚÕâ¸öÓïÁϵĻù´¡ÉÏ£¬Íê³ÉÁËϵͳµÄÉè¼ÆºÍ³õ²½ÊµÏÖ¡£Â½ÓεÄÊ«¼¯¼Æ»®ÓÚ19
96Äê³ö°æ¡£ÏÔÈ»£¬ÎÒÃǵŤ×÷½«´Ù½ø½ÓÎÊ«¼¯µÄ±à×ëÓë³ö°æ¡£¹ÅÎÄÏ×Ñо¿ËùÒÑ¿ªÊ¼ÀûÓÃ
±¾ÏµÍ³½øÐнÓÎÊ«×÷µÄÑо¿¡£
Èý¡¤ÏµÍ³Éè¼Æ
ϵͳÔÚ¼ÈëÎı¾µÄ»ù´¡ÉÏ£¬Öð²ãÔö¼Ó¹¦ÄÜÄ£¿é£¬ÒÔÆÚʹϵͳ¹¦ÄÜÖð²½ÍêÉÆ£¬²¢ÇÒΪ¹¦ÄÜ
À©³ä±£Áô½Ó¿Ú¡£
ÏÂͼ±íʾÁËϵͳʵÏֵĹý³Ì£º
Êé¸å(¡°µ×±¾¡±)
±ê×¢µ×±¾
ÊÖ¹¤Â¼Èë
µç×ÓÎı¾(FILE)
ʵÏÖÈ«ÎļìË÷
ºÍÊôÐÔ¼ìË÷
È«ÎÄÊý¾Ý¿â(FULLTEXT DATABASE)
³¬Îı¾(HYPERTEXT) Ñо¿Èí¼þ¹¤
¾ß°ü(¿ÉÀ©³ä)
ÕâЩ¹¤×÷¶¼ÊÇÔÚPC486΢ÐÍ»ú(ÄÚ´æ8M£¬Íâ´æ420M)µÄWINDOWS 3.1»·¾³ÏÂʵÏֵġ£±à³ÌÓï
ÑÔ²ÉÓÃBORLAND C++3.1£¬¹ØϵÊý¾Ý¿â²ÉÓÃPARADOX 4.0¡£
ËÄ¡¢ÏµÍ³¹¦ÄÜ
×÷Ϊһ¸ö¹ÅÊ«Ñо¿µÄ¼ÆËã»úÖ§³Å»·¾³£¬ÏµÍ³³ä·Ö¿¼ÂÇÁ˹ż®£¬ÓÈÆäÊǹÅÊ«Ëù¾ßÓеÄÌصã
£¬¶ÔÓÚÈçºÎÄܹ»×î´óÏ޶ȵØÂú×ãÑо¿ÕßµÄÐèÇó×÷Á˶෽ÃæµÄ³¢ÊÔ¡£
ϵͳʵÏÖÁËËĸö»ù±¾¹¦ÄÜ:
1£®»ùÓÚ³¬Îı¾µÄÔĶÁ¡¢Ð´×÷¹¦ÄÜ
2£®È«ÎļìË÷ºÍÊôÐÔ¼ìË÷¹¦ÄÜ
3£®Í³¼Æ¹¦ÄÜ
4£®¸¨ÖúÑо¿¹¦ÄÜ
1£®ÔĶÁ¹¦ÄÜ
Ôڹż®ÖУ¬³ýÔÎÄÍ⣬´æÔÚ´óÁ¿ÒÔ×¢ÊÍ¡¢ÒýÎĵÈÐÎʽ³öÏÖµÄÏà¹Ø×ÊÁÏ¡£ÕâЩעÊÍ¡¢ÒýÎÄ
¶ÔÓÚÔÎĵÄÑо¿Àí½âÓÐÖØÒªÒâÒå¡£Èç¹û²ÉÓô«Í³Îı¾(°üÀ¨Ö½ÕÅÊé±¾ºÍ¼ÆËã»úÖеÄÎı¾ÎÄ
¼þ)±íʾ£¬¶ÁÕßÐèÒª°´Ò³¡¢ÐÐ˳ÐòÔĶÁ£¬ËäÈ»¿ÉÒÔÌøÒ³¡¢ÌøÐУ¬µ«»ù±¾ÉÏÊÇûÓÐʲôѡÔñ
ÓàµØµÄ¡£ÕâÑùµÄ½á¹¹£¬²»ÀûÓÚÐèÒª¹ãÕ÷²©ÒýµÄ¹Å¼®Ñо¿£¬Òò´ËϵͳÒýÈëÁ˳¬Îı¾¼¼Êõ¡£
³¬Îı¾ÒÔÒ»ÖÖ·ÇÏßÐÔµÄÍøÂç½á¹¹×éÖ¯ÐÅÏ¢£¬Ó봫ͳÎı¾Ïà±È½Ï£¬³¬Îı¾¸ü·ûºÏÈËÀà·ÇÏß
ÐÔµÄ˼ά·½Ê½¡£ËüÊǽ«È«²¿Ëزİ´ÄÚ²¿µÄÁªÏµ»®·Ö³É²»Í¬²ã´Î¡¢²»Í¬ÁªÏµµÄµ¥Ôª£¬È»ºó
½«ÕâЩµ¥Ôª¸ù¾ÝÏ໥¼äµÄÁªÏµÁ¬½Ó×é³ÉÒ»¸öÍøÍû×´ÐÅÏ¢ÍøÂç¡£ÕâÑù£¬¶ÁÕßÔĶÁʱ£¬¾Í¿É
ÒÔ²»±ØÏó¶ÁÏßÐÔÎÄÕÂÄÇÑù˳ÐòÏò϶Á£¬¶ø¿ÉÒÔÖ÷¶¯µØÓÐÑ¡ÔñµØ²éÔÄ×Ô¼º¸ÐÐËȤµÄ²¿·Ö£¬
´Ó¶øÍ»ÆÆÁËÊø¸¿ÓÚ´«Í³Îı¾ÏßÐÔÅÅÁеĵ¥Ò»±»¶¯·½Ê½¡£
ϵͳµÄ³¬Îı¾Éè¼ÆʵÏÖÁË·½±ã¿ì½ÝµÄÔĶÁ»·¾³¡£Ôڹż®ÖУ¬Ò»±¾ÊéÍùÍùÓжà¸ö×¢ÊÍ°æ±¾
£¬Òò´Ëϵͳ´¦Àíʱ£¬°Ñ¼ÈëÎı¾°´ÄÚÈÝ·ÖΪº¬Ê«ÎIJ¿·ÖµÄÔ±¾ºÍº¬×¢ÊͲ¿·ÖµÄ×¢Êͱ¾£¬
²¢ÇÒ²»Í¬×¢Êͱ¾Ö®¼äÌṩ»¥Ïà²éÔĵŦÄÜ¡£ÏµÍ³ÊµÏֵij¬Îı¾°üÀ¨Èý¸ö²¿·Ö¡£
¡¤½áµã(NODE):´æ´¢¸÷ÀàÐÅÏ¢¡£
±¾ÏµÍ³°ÑÈ«²¿ÐÅÏ¢°´ÐÔÖÊΪΪËÄÀ࣬¶ÔÓ¦ÓÚËÄÀà½áµã¡£
£¨1£©Ê«½áµã£¬Ã¿¸ö½áµã´æ´¢Ò»Ê×Ê«¡££¨2£©×¢Êͽáµã£¬Ã¿¸ö½áµã´æ´¢Ä³¸ö×¢Êͱ¾µÄÒ»Ìõ
×¢ÊÍ¡££¨3£©ÖªÊ¶½áµã£¬Ã¿¸ö½áµã´æ´¢Ò»ÌõϵͳµÄ±³¾°ÖªÊ¶£¬Èç¹ØÓÚijЩʼþ¡¢ÈËÎï¡¢Êé
¼®µÈµÄ֪ʶ¡££¨4£©Í¼Ðνáµã£¬Ã¿¸ö½áµã´æ´¢Ò»·ùͼÐΡ£ÔÚϵͳÉý¼¶Îª¶àýÌå°æ±¾Ê±£¬Õâ
Àà½áµã¾Í×÷Ϊ¶àýÌå½áµã£¬´æ´¢ÉùÒô¡¢¶¯»¡¢Í¼ÏóµÈ¡£
¡¤Á´(LINK):´æ´¢½áµã¼äµÄÁªÏµ¡£
ϵͳ°´ÕÕÁ´½ÓµÄ½áµãµÄÀàÐÍ°ÑÁ´·ÖΪÎåÀà¡£
£¨1£©½á¹¹Á´£¬°´ÕÕÔ±¾µÄ½á¹¹£¬ÏµÍ³°´ÕÕÊé¡¢¾í¡¢Ê«µÄ²ã´ÎÊ÷×´½á¹¹½«²»Í¬Ê«½áµãÁ´½Ó
ÆðÀ´¡££¨2£©×¢ÊÍÁ´£¬Á´½ÓÊ«½áµãºÍÏà¹ØµÄ×¢ÊÍ¡£Ò»¸öÊ«½áµã¿ÉÒÔÁ´½Ó¶à¸ö×¢Êͽáµã¡£Ò»
¸ö×¢ÊͽáµãÒ²¿ÉÒÔÁ´½Ó¶à¸öÊ«½áµã£¬ÕâÑù¿ÉÒÔÏû³ý¹Å¼®Öг£¼ûµÄ¡°¼ûijijעÊÍ¡±µÄÐÎʽ
£¬¶øÖ±½ÓÏÔʾÏàӦעÊÍ¡££¨3£©²Î¿¼Á´£¬Á´½Ó²»Í¬×¢Êͱ¾¶ÔͬһÌõÄ¿µÄ×¢ÊÍ¡£ÕâÑù²»Í¬×¢
Êͱ¾µÄÄÚÈÝͨ¹ýËü¿ÉÒÔ»¥Ïà²éÔÄ¡££¨4£©ÖªÊ¶Á´£¬°Ñ֪ʶ½áµãÁ´½Óµ½Ê«ºÍ×¢ÊͽáµãÉÏ¡££¨
5£©Í¼ÐÎÁ´£¬°ÑͼÐνáµãÁ´½Óµ½Ê« ¡¢×¢ÊͺÍ֪ʶ½áµãÉÏ¡£
lÐÅÏ¢Íø(INFORMATION¡¡NET):ÓɽáµãºÍÁ´¹¹³ÉµÄÍø×´½á¹¹¡£´ÓÐÅÏ¢ÍøÖеÄÈÎÒâ½áµã¿ÉÒÔ
ÑØÁ´·ÃÎÊÓÐÁ´½ÓµÄÐËȤ½áµã£¬´Ó¶øʵÏÖÐÅÏ¢µÄÑ¡Ôñ²éÔÄ¡£Í¼Ê¾ÈçÏÂ:
²Î¿¼Á´
×¢Êͽáµã
×¢ÊÍÁ´
֪ʶÁ´ ֪ʶÁ´
Ê«½áµã
֪ʶ½áµã
֪ʶÁ´
ͼÐÎÁ´
ͼÐÎÁ´
ͼÐνáµã
ϵͳ¶ÔÓÚ³¬Îı¾µÄ¹ÜÀíÁ¦Çó·½±ãÁé»î£¬²¢ÇÒ¾ßÓж¯Ì¬ÍêÉƵÄÌص㡣
Ê×ÏÈ£¬¶ÔÓÚ½áµãºÍÁ´·Ö¿ª½øÐйÜÀí£¬¶ø²»Êǽ«Á´ÐÅÏ¢±£´æÔÚ½áµãÖС£ÕâÑù×÷µÄ¿¼ÂÇÓÐÁ½
µã£º£¨Ò»£©Á´µÄÁ¬½ÓÏà¶ÔµØÈÝÒױ仯£¬¶ø½áµãÐÅÏ¢ÔòÏà¶ÔÎȶ¨¡£·Ö¿ª¹ÜÀí¿ÉÒÔʹÁ´Á¬½Ó
µÄ±ä»¯²»Ó°Ïì½áµãÐÅÏ¢µÄ´æ´¢£»£¨¶þ£©³¬Îı¾ÊµÏÖµÄЧ¹û¾ö¶¨ÓÚÁ´µÄÉè¼Æ£¬Á´×éÖ¯µÃû
ÓÐÕ·¨£¬½«¸øÓû§µÄÑØÁ´²éѯ´øÀ´»ìÂÒ£¬µ¼ÖÂϵͳµÄʧ°Ü¡£Òò´Ë·Ö¿ª¹ÜÀí¿ÉÒÔ¶Ô²»ºÏÊÊ
µÄÁ´Á¬½ÓËæʱ½øÐе÷Õû¡£
Æä´Î£¬³ýÊ«½áµãÒÔÍâµÄÆäËü½áµã£¬³ý½á¹¹Á´ÒÔÍâµÄÆäËüÁ´£¬ÏµÍ³¶¼ÌṩÁËÔö¼Ó¡¢É¾³ý¡¢
Ð޸ĵŦÄÜ¡£ÕâÑù±ã¿ÉÒÔ¶¯Ì¬µØ²»¶Ï·á¸»ÏµÍ³µÄ×ÊÔ´£¬ÏµÍ³µÄ¹¦ÄÜÒ²Öð²½ÍêÉÆ£¬Ê¹Óý«
Ô½À´Ô½·½±ã¡£
×îºó£¬ÏµÍ³ÌṩÁª»úд×÷¹¦ÄÜ¡£Ñо¿Õ߿ɽ«×Ô¼ºµÄÐĵᢿ¼¾ÝµÈ×÷ΪÐÂ×¢ÊͼÈ룬ÐγÉ
µç×ӱʼǻòµç×ÓüÅú¡£¿ÉÒÔ¶ÔÆä·½±ãµØÐ޸ġ¢²éÔÄ£¨°üÀ¨¶ÔÆäËü×¢ÊÍÄÚÈݵĽ»²æ²Î¿¼£©
¡£ÔÙ½áºÏһЩ±ØÒªµÄ±à¼ÊֶΣ¬¿ÉΪÑо¿ÕßÖøÊéÁ¢ËµÌṩÓÐЧµÄÖ§³Ö¡£
2£®¼ìË÷¹¦ÄÜ
ÖйúÈËѧϰÓë×êÑйż®ÏòÀ´ÓÐÏȲ©ÎÅÇ¿Ö¾¶øºó¾«ÉîµÄ´«Í³¡£Õâ¸ö¹ý³ÌÊÇÏ൱³¤µÄ£¬ÏÔÈ»
ÒѲ»ÊÊÓ¦½Ú×à¼Ó¿ì¡¢ÐÅÏ¢¾çÔöµÄÏÖ´úÉç»áÖеÄÈË¡£ÏÖ´úÉç»áÖУ¬ÒÔ¼ìË÷´úÌæ±³ËÐÊÇÒ»¸ö
Ç÷ÊÆ¡£¼ÆËã»ú¾ßÓпìËÙ¡¢¾«È·µÄÌص㣬Òò¶øÓüÆËã»ú¼ìË÷À´´úÌæÊÖ¹¤¼ìË÷ÊDZ¾ÏµÍ³µÄÖØ
Òª¹¦ÄÜ¡£ÌرðÊÇÈ«ÎļìË÷¹¦ÄÜ¿É´ó´ó»º½âÑо¿ÈËÔ±µÄ¼ÇÒ为µ£¡£¹ÅÎÄÏ×Ñо¿Öм´±ãÊÇר
¼ÒÒ²¸Ð¼¬ÊֵļØýÈÎÎñ£¬ÓÐÁËÈ«ÎļìË÷µÄ¹¦ÄÜ£¬Ò»°ãµÄ²Ù×÷Ô±¾Í¿ÉÒÔÍê³É¡£
Ϊ°ïÖúÑо¿Õ߸ßЧÂʵØÍê³É´ÓÑ°ÕÂÃپ䵽¸÷ÖÖÓмÛÖµµÄÊôÐÔ¼ìË÷µÄ¹¤×÷£¬ÏµÍ³ÌṩÁ½Àà
¼ìË÷·½Ê½£ºÈ«ÎļìË÷¡¢ÊôÐÔ¼ìË÷¡£
2.1 È«ÎļìË÷
È«ÎļìË÷£¨FULL TEXT RETRIEVAL£©ÄÜÒÔÈÎÒâ×Ö´®¶ÔÎļþÄÚÈݽøÐмìË÷¡£ÎªÔö¼Ó¼ìË÷µÄÁé
»îÐÔ£¬±¾ÏµÍ³Éè¼ÆÁËÈçϵļìË÷¹¦ÄÜ£º
¡¤·¶Î§ÏÞÖÆ: ½«²éѯ·¶Î§ÏÞ¶¨Îªµ±Ç°Ê«¾í»òÈ«²¿Ê«¾í¡£
¡¤Í¬Òå´Ê²éѯ: È˵ļÇÒä¾ßÓÐÄ£ºýµÄÌص㣬ÎÒÃǾ³£·¢ÏÖ£¬ÔÚÒ»¸öÈ˼ÇÒäÊ«¾äʱ£¬ËûÍù
ÍùÄÜ°ÑÎÕ×Ö¾ä´ó¸ÅµÄÒâÒ壬¶øδÄܾ«È·µØ¼Çס¸Ã×־䡣Òò´Ë£¬±¾ÏµÍ³ÖÐÔö¼ÓͬÒå´Ê£¨°ü
À¨Í¨¼Ù×Ö£©²éѯµÄ¹¦ÄÜ¡£
Èô²éѯÖÐÔö¼ÓͬÒå´ÊÒªÇó£¬Ôò¿ÉÀ©³ä¼ìË÷µÄ½á¹û¡£ÀýÈ磬²éѯ¡°º®¡±×ÖʱÓÖͬʱ²é
ѯº¬¡°À䡱×ÖµÄÊ«¾ä¡£
ʵÏÖÕâ¸ö¹¦ÄܶÔÓÚÒ»°ã¹ÅÎÄÏ׵ļìË÷µÄÒâÒå¸ü´ó£¬ÒòΪÔÚÒ»°ã¹ÅÎÄÏ×ÖУ¬ÕâÖÖÇé¿ö
¸üΪ¶à¼û¡£
¡¤Âß¼¼ìË÷: ÈËÃÇËù¼ÇÒäµÄÊ«¾äÓÖ¾³£ÊDz»ÍêÈ«µÄ£¬Òò´Ëϵͳ²»½öÔÊÐíÓû§ÒÔÈÎÒ⺺×Ö
»òºº×Ö´®×÷ΪÈë¿Úµã¼ìË÷£¬¶øÇÒÔÚ¼ìË÷×Ö´®ÖпÉÒԺϲ¢Ê¹ÓÃÂß¼ÔËË㣨Óë¡°.and.¡±¡¢»ò
¡°.or.¡±£©ºÍÌØÊâ·ûºÅ£¨Í¨Åä·û¡°*¡±¡¢ÊÊÅä·û¡°£¿¡±¡¢¾äβ±êÖ¾¡°/¡±£©¡£
ÀýÈç:¼ìË÷×Ö´®¡°ÍòÀï*Çé/¡±µÄ²éѯ½á¹ûΪ˳Ðò°üº¬¡°ÍòÀ¡¢¡°Ç顱µÄ×Ö´®£¬Öмä¿ÉÒÔ
¼ä¸ôÈÎÒâ¶à¸ö×Ö£¬²¢ÇÒ¡°Ç顱×ÖΪ¾äβ×Ö¡£Èç:¡°Î÷·çÍòÀïÓñ¹ØÇ顱¡£
¿¼Âǵ½¹ÅÊ«ÖУ¬µ¥×Ö´ÊÕ¼¾ø´ó¶àÊý£¬Òò´ËϵͳÏÖÔÚʵÏÖÈ«ÎļìË÷ʱÊÇÒÔµ¥×ÖΪµ¥Î»¶ÔÊ«
±¾ÉíµÄÄÚÈÝ£¨²»°üÀ¨ÌâÄ¿£¬Ìâ½â£¬×¢Êͺ͸÷ÖÖ±êµã·ûºÅ£©½øÐеġ£¾ßÌåµ½±¾ÏµÍ³£¬¶ÔÓÚ
Ô¼45Íò×ÖÓïÁϽøÐмìË÷¡£×îºó£¬¼ìË÷½á¹ûÒÔÊ«¾äΪµ¥Î»¸ø³ö£¬ÐèҪʱ¿É²é¿´È«Êé¡£ÔÚͳ
¼Æ³ö¡°´Ê¡±Ö®ºó£¬¶ÔÓÚÄÇЩ¡°Á¬Ãà´Ê¡±£¬ÈçÔ§Ñ죬ðÃ÷½µÈ¿É°´¡°´Ê¡±½øÐмìË÷¡£ÕâÑù¿É
ÒÔÌá¸ßЧÂÊ¡£
È«ÎļìË÷µÄÖ÷Òª¼¼ÊõÄѵãÔÚÓÚ¼ìË÷ËٶȺÍÄÚ´æÒªÇó¡£±¾ÏµÍ³Îª¼æ¹ËÕâÁ½¸ö·½Ãæ×÷³öÁ˶à
ÖÖ³¢ÊÔ¡£
Ê×ÏÈ£¬ÏµÍ³¸ù¾Ý¼ÈëÎı¾Öеıê×¢ÐÅÏ¢£¬×Ô¶¯¹¹Ôì°´¡°Êé¡¢¾í¡¢Ê«¡¢¾ä¡±µÄ½á¹¹²ã´ÎÐÎ
³ÉµÄ¼ìË÷Ê÷¡£½Ó×Å£¬¹¹ÔìÈçÏÂͼ½á¹¹µÄµ¹ÅÅÎļþ£¨INVERTED FILE£©£¬Íê³É¼ìË÷ÓÃÊý¾ÝµÄ
¹¹Ôì¡£
×ÖË÷Òý±í µ¹Åűí
ºº×ÖA ? ³öÏÖ´ÎÊým ? Ö¸Õë ±¾×ÖÐÅÏ¢1 ? ºó¼Ì×ÓÖ¸Õë1
±¾
×ÖÐÅÏ¢2 ? ºó¼Ì×ÓÖ¸Õë2
£®£®£®
£®£®£®
±¾
×ÖÐÅÏ¢m ? ºó¼Ì×ÓÖ¸Õëm
£®£®£®
±¾×Ö
ÐÅÏ¢x ? ºó¼Ì×ÓÖ¸Õëx
£®£®£®
ºº×ÖB ? ³öÏÖ´ÎÊýn ? Ö¸Õë ±¾×ÖÐÅÏ¢1 ? ºó¼Ì×ÓÖ¸Õë
1
£®£®£®
£®£®£® ±¾×ÖÐÅÏ¢
n ? ºó¼Ì×ÓÖ¸Õën
£®£®£®
±¾
×ÖÐÅÏ¢y ? ºó¼Ì×ÓÖ¸Õëy
£®£®£®
ϵͳΪÌá¸ßÈ«ÎļìË÷µÄËÙ¶È×÷ÁË´óÁ¿³¢ÊÔ£¬×îºóʵÏֵIJéѯËÙ¶ÈÊÇO(klogN)£¬NÊÇÓïÁÏÖÐ
³öÏֵIJ»Í¬ºº×ֵĸöÊý£¬kÊÇÓïÁÏÖе¥¸öºº×Ö³öÏֵĴÎÊý£¬Õâ¸öËÙ¶ÈÊÇÏ൱¿ìµÄ¡£¶ÔÓÚϵ
ͳÏÖÓÐÓïÁÏ£¬NµÄÖµÊÇ5500£¬kµÄ×î´óÖµÊÇ4800¡£Ëæ×ÅÓïÁϵÄÔö³¤£¬ÕâÁ½¸öÖµµÄÔö¼ÓËÙ¶È
ԶСÓÚÏßÐÔÔö³¤£¬²¢ÇÒNµÄÉÏÏÞÊǺº×Öϵͳȫ²¿ºº×ÖµÄÊýÁ¿¡£ÏµÍ³µÄÄÚ´æÕ¼Óýϴ󣬵«µÃ
µ½µÄµ¹ÅÅÎļþÊÇÏÂÊöÐí¶à¹¦ÄܵĻù´¡£¬²¢ÇÒϵͳÉдæÔÚÈßÓ࣬¿É½øÒ»²½Ñ¹Ëõ¡£
2£®2 ÊôÐÔ¼ìË÷
ÊôÐÔ¼ìË÷£¨ATTRIBUTE RETRIEVAL£©Ìṩ¹ØÓÚÊ«µÄ¸÷ÖÖÊôÐԵļìË÷£¬È磺д×÷Äê´ú¡¢µØµã
¡¢Í¬ÌâÊý¡¢Ê«Ìå¡¢Ö÷Ìâ¡¢Ôϵȣ¬ÕâЩÊôÐÔ¶ÔÓÚÑо¿¹¤×÷¶¼ÊǺÜÓмÛÖµµÄ¡£
ϵͳ´Ó¼ÈëÎı¾ÖÐ×Ô¶¯³éÈ´È¡Ï¢£¬¹¹³É»ù±¾ÐÅÏ¢Êý¾Ý¿â£¬ÔÙ½áºÏϵͳµÄ¹ÅÊ«¹æÔò¿â£¨°ü
À¨£ºÊ«ÌåµÄ¹¹³É·½Ê½¡¢ÑºÔÏ·½Ê½¡¢Æ½ØÆÅäÖÃÔÔò¡¢Ö÷Ìâ³£Óôʵȣ©£¬¾Í¿ÉÒÔÍê³É¶ÔÓÚ»ù
±¾ÐÅÏ¢Êý¾Ý¿âµÄÖÇÄÜ»¯¼ìË÷¡£
°´ÕÕϵͳĿǰµÄÉè¼Æ£¬¿ÉÒÔ·½±ãµØʵÏÖÈ«ÎļìË÷ºÍÊôÐÔ¼ìË÷µÄºÏ²¢£¨ÔÚÒ»¸ö¼ìË÷×Ö
´®ÖÐʱ°üº¬Á½ÖÖ¼ìË÷·½Ê½£¬ÀýÈ磺¡°Ç顱 .and. Ê«Ìå=¡°Îå
´®ÖÐͬʱ°üº¬Á½ÖÖ¼ìË÷·½Ê½£¬ÀýÈ磺¡°Ç顱 .and. Ê«Ìå=¡°ÎåÑÔ¾ø¾ä¡±£©£¬´Ó¶øʹϵͳ
µÄ¼ìË÷¹¦ÄÜ
µÄ¼ìË÷¹¦ÄܸüΪǿ´ó¡£
3£®Í³¼Æ¹¦ÄÜ
¹ÅÊ«Ñо¿µ±È»²»»áÖ»ÏÞÓÚÕªÕÂÑ°¾ä£¬ÔÚ½øÐÐÉî²ã´ÎµÄÑо¿Ê±£¬Ñо¿ÕߵĺܶàÐĵÃÀ´×Ô»ù
ÓÚ¾ÑéµÄ¸ÐÐÔÈÏʶ¡£²»¹ý£¬¸ÐÐÔÈÏʶҲÐèÒÀÀµÒ»Ð©ÀíÐÔµÄͳ¼ÆÓë¼ÆÁ¿¡£¹ýÈ¥ÓÉÓÚûÓÐÊÊ
µ±µÄ¹¤¾ß£¬Í³¼ÆÓë¼ÆÁ¿µÄ×÷ÓÃδµÃµ½ÖØÊÓ¡£ÏÖÔÚ¿ÉÒÔ³ä·ÖÀûÓüÆËã»úµÄÓÅÊÆ£¬ÎªÑо¿Õß
Ìṩ±ãÀû¿É¿¿µÄ¸÷ÖÖͳ¼ÆÊý¾Ý£¬²¢ÒÔͼ¡¢±íµÈÖ±¹ÛÐÎʽÏÔʾ¸øÑо¿Õß¡£
±¾ÏµÍ³ÌṩÁ˷ḻµÄͳ¼Æ¹¦ÄÜ¡£
¡¤Ê«×÷ͳ¼Æ£º¿É°´Äê´ú¡¢µØµã¡¢Ê«Ìå¡¢Ö÷ÌâµÈͳ¼ÆÌõ¼þ·ÖÃűðÀàµØ½øÐÐͳ¼Æ£¬²¢¿ÉÒÔ½«
ͳ¼Æ½á¹ûÓë±³¾°ÖªÊ¶½áºÏ½øÐзÖÎö¡£±³¾°ÖªÊ¶¿ÉÒÔ°üÀ¨Ê±´ú´óʼǡ¢×÷ÕßÂÄÀú¡¢µØͼµÈ
¸¨Öú²ÄÁÏ¡£
ÀýÈ磬°Ñ°´Äê´úͳ¼ÆµÄ½á¹û·ÅÈë×÷ÕßµÄÂÄÀú±³¾°£¬¿É½Òʾ´´×÷ÍúÊ¢ÆÚÓë×÷Õ߸öÈËÇé¿öµÄ
ÁªÏµ¡£¶ø½«Õâ¸öͳ¼Æ½á¹û·ÅÈëʱ´ú´óʼǵı³¾°ÖУ¬ÓȿɽÒʾ×÷ÕߵĴ´×÷ÍúÊ¢ÆÚÓ뵱ʱ
µÄʱ´ú±³¾°ÓÐʲô¹Øϵ¡£¶ø½«°´µØµã¡¢Ê±¼äͳ¼ÆµÄ½á¹û·ÅÈëµØͼ£¬¿ÉÒԵõ½Ò»·ù¡°Â½ÓÎ
ÐÐÒ÷ͼ¡±
¡¤ºº×Öͳ¼Æ£º°üÀ¨¸÷ÖÖ×Ö¡¢´ÊÐÅÏ¢µÄͳ¼Æ¡£
×ÖÐÅÏ¢µÄͳ¼ÆÊǺܳ£¹æµÄ£¬Èç×ÖÊý¡¢×ÖƵµÈ¡£Õⲿ·ÖµÄͳ¼ÆÒ²¿É½áºÏÆäËüͳ¼ÆÌõ¼þ½øÐÐ
¡£
ÀýÈ磬°´ÕÕÄê´úµÄͳ¼Æ½á¹û£¬¿ÉÒÔ½Òʾ×÷ÕßÓÃ×ÖÏ°¹ßµÄ±ä»¯¡£
´ÊÐÅÏ¢µÄͳ¼Æ»ù±¾Ò»Ñù£¬µ«ÊǴʵÄÅж¨ÔòÓÐÀµÓÚÏÂÃæÒªÌáµ½µÄ³é´Ê¹¤×÷¡£
¡¤×ÜÌåͳ¼Æ£º¶ÔÓÚÈ«ËÎÊ«ÕûÌåµÄÊ«×÷ºÍºº×Öͳ¼Æ£¬²¢ÇÒÖ§³Ö½øÐжÔÓÚµ¥¸ö×÷ÕßÓëÈ«ËÎÊ«
ÕûÌåÇé¿öµÄÏà¶Ô¶ÈÁ¿¡£
Õⲿ·ÖµÄͳ¼Æ½á¹ûÊÇÐí¶àÑо¿µÄ»ù´¡Êý¾Ý¡£ÒòΪÑо¿Õ߶ÔÓÚͳ¼ÆÊý¾ÝµÄÒªÇóÊǶàÑùºÍ±ä
»¯µÄ£¬ËùÒÔϵͳÉè¼ÆÔÊÐíÔö¼ÓеĻù±¾Í³¼ÆÌõ¼þµÄ×éºÏ£¬´Ó¶ø×î´óÏ޶ȵØΪÑо¿¹¤×÷Ìá
¹©Ö§³Ö¡£
4£®¸¨ÖúÑо¿¹¦ÄܵÄÉè¼Æ
4£®1 ÓïÑÔÑо¿
ÔËÓÃÔÚÏÖ´úººÓïÐÅÏ¢´¦ÀíÑо¿Öн¨Á¢µÄ¼ÆËãÓïÑÔѧµÄÀíÂÛ¡¢·½·¨ºÍ¼¼Êõ£¬¿ÉÒԶԹźºÓï
µÄÓïÑÔÏÖÏó½øÐÐÉî²ã´ÎµÄÑо¿¡£¶ÔÕâ¸öÁìÓò½øÐÐ̽Ë÷µÄÑо¿³É¹û³ýÔڹż®ÕûÀí¡¢Ñо¿¡¢
³ö°æÏÖ´ú»¯Öз¢»Ó×÷ÓÃÍ⣬ͬʱҲ»á´Ù½ø×ÝÏòµÄ¹ÅººÓïÓï·¨Ñо¿ÓëÓëÏÖ´úººÓïÓï·¨Ñо¿
µÄ½áºÏ£¬Íƶ¯ÏÖ´úººÓïÓï·¨Ñо¿µÄÉîÈëºÍÓïÒôÐÅÏ¢´¦Àí¼¼ÊõµÄ·¢Õ¹¡£
ËÎʫͬËÎÎÄ£¨Óï¼³ýÍ⣩Ïà±È£¬¸ü½Ó½üµ±Ê±µÄ¿ÚÓ£¨Õâ¸öÌصãÔÚÌÆÊ«ÖиüΪÃ÷ÏÔ£©£¬
Òò´ËÒÔʫΪÓïÁÏÀ´½øÐйźºÓïÑо¿ÊÇÓмÛÖµµÄ¡£
ÓïÑÔѧµÄÑо¿¿ÎÌâÊ®·Ö¹ã·º¡£½öÒÔ´ÊΪÀý£¬²»ÒªËµÏÖ´úººÓïÓï·¨¹ØÓڴʵķÖÀàÎÊÌ⻹û
Óг¹µ×½â¾ö£¬¾ÍÊǺºÓïÖÐÓÐûÓС°´Ê¡±Õâ¸öÓï·¨µ¥Î»Ò²ÊÇÓв»Í¬Òâ¼ûµÄ[3]¡£ÓеÄѧÕßÈÏ
Ϊ£¬ºº×ÖÐÎÉùÒå¾ß±¸£¬¾ÍÊÇÓïÑÔÑо¿µÄ»ù±¾µ¥Î»£¬Òò´Ë£¬¡°´Ê¡±ÒÔ¼°ÓÉ´ËÒý³öµÄ¡°´ÊµÄ
Çз֡±¶¼ÊDz»±ØÒªµÄ¡£½öÓÃ×ÔÈ»ÓïÑÔ´¦Àí¼¼ÊõµÄʵ¼ÊÐèÒªÀ´·´²µÕâ¸öÂÛµãÊDz»¹»ÓÐÁ¦µÄ
¡£Èç¹ûÄÜ´Ó¹ÅÎÄÖÐÎö³öÏ൱ÓÚ¡°´Ê¡±µÄµ¥Î»£¬±àÖƳöÒ»²¿¹ÅººÓïµÄ´Êµä£¬ÄÇô¶ÔÓÚÕâ¸ö
ÎÊÌâµÄÑо¿ÎÞÒÉÊÇÒ»Ïîʵ¼ÊµÄ¹±Ïס£È»¶øÓÉÓÚÏÖÔÚ´ÓʼÆËãÓïÑÔѧÑо¿µÄÈËÆձ鲻ÊìϤ
¹ÅÎÄ£¬Êµ¼Ê×ÅÊÖÕâÏ×÷ÊÇÓÐÀ§Äѵġ£µ«Èç¹ûÏÈÒÔ¹ÅÊ«×÷Ϊ¿¼²ìµÄ¶ÔÏó£¬Çé¿ö»áÓÐËù²»
ͬ¡£¹ÅÊ«µÄ½á¹¹ÑÏÕûͳһ£¬Óй̶¨Ä£Ê½£¬¾äʽ¼òµ¥£¬½Ú×àÃ÷È·£¬¶ÔÕ̹¤Õû£¬Ã¿¾ä×ÖÊýÉÙ
£¬Òò´Ë£¬¹ÅÊ«µÄÇз֣¬´ÊƵͳ¼ÆµÈ¹¤×÷µÄÄѶȿÉÄÜ»áСһЩ¡£
±¾ÏµÍ³ÒÔ½ʫΪÓïÁϳ¢ÊÔÁË×Ô¶¯³é´ÊÓ뽨´ÊµäµÄ¹¤×÷¡£
´ÓÐÎʽÉÏ¿´£¬´ÊÊÇÓÉ×Ö¹¹³ÉµÄ£¬²¢ÇÒÊǾ³£Í¬Ê±³öÏÖµÄ×ÖµÄijÖÖ×éºÏ¡£Ö»¿¼ÂÇË«×Ö´Ê£¬
ÎÒÃÇ¿ÉÒÔ¶ÔÔÚÓïÁÏÖгöÏֵĸ÷ÖÖ×Ö¶ÔµÄ×éºÏ½øÐÐͳ¼Æ£¬¼ÆËãÈÎÒâÁ½¸ö×ֵĻ¥ÐÅÏ¢£¨MUTU
AL INFORMATION£©[5][6]¡£
ºº×ÖX£¬YµÄ»¥ÐÅÏ¢µÄ¶¨ÒåΪ£º
ÆäÖУ¬p£¨x£¬y£©ÊÇ x£¬yµÄÁÚ½ÓͬÏÖƵÂÊ£¬p£¨x£©£¬p£¨y£©·Ö±ð´ú±íx£¬yµÄ¶ÀÁ¢¸ÅÂÊ¡£
ÒÔN±íʾÓïÁϵĴóС£¬ÒÔf£¨x£¬y£©£¬f£¨x£©£¬f£¨y£©·Ö±ð´ú±íx£¬yÁÚ½Ó³öÏֺ͸÷×Ô³öÏÖ
µÄ´ÎÊý£¬Ôòp£¨x£¬y£©£¬p£¨x£©£¬p£¨y£©¿ÉÓÉÏÂʽ½üËƱíʾ£º
»¥ÐÅÏ¢·´Ó³Á˺º×Ö¶ÔÖ®¼ä½áºÏ¹ØϵµÄ½ôÃ̶ܳȣ¬µ±½ôÃ̶ܳȸßʱ£¬ÎÒÃDZã¿ÉÒÔÈÏΪËüÃÇ
¹¹³ÉÁËÒ»¸ö´Ê¡£¾ßÌåÈçÏ£º
¢Ù I(X;Y)>>0
¼´p(X,Y)>>p(X)p(Y)£¬ÕâʱX,YÖ®¼äÕæʵ´æÔÚ׎áºÏ¹Øϵ£¬ÎÒÃÇÈÏΪËüÃǹ¹³ÉÁËÒ»¸ö´Ê¡£
¢Ú I(X;Y)<<0
¼´p(X,Y)<<p(X)p(Y)£¬ÕâʱX,YÖ®¼ä»ù±¾Ã»ÓнáºÏ¹Øϵ£¬ÎÒÃÇÈÏΪËüÃÇûÓй¹³É´Ê¡£
¢Û I(X;Y)¡«0
¼´p(X,Y)¡«p(X)p(Y)£¬ÕâʱX,YÖ®¼äûÓпÉÒԿ϶¨µÄ¹Øϵ¡£
¸ù¾Ý»¥ÐÅÏ¢µÄ¼ÆË㣬¿ÉÒÔ´ÓÔ¤ÁÏÖÐ×Ô¶¯³é´Ê¡£ÖÁÓÚÈ϶¨Îª´ÊµÄ±ê×¼Ôò¸ù¾ÝÓïÁÏ¿âµÄ¾ßÌå
Çé¿öÓÐËù±ä»¯¡£¾ßÌ嵽ϵͳµÄ¹ÅÊ«ÓïÁϿ⣬¿¼Âǵ½ÓïÁϽÏС²¢ÇҹŴúººÓïÖÐË«×ִʵÄÇé
¿öԶСÓÚÏÖ´úººÓÒò´ËÎÒÃǽ«È϶¨Îª´ÊµÄ±ê×¼¶¨µÃÆ«ÑÏ¡£¶ÔÓÚµ¥´¿¼ÆË㻥ÐÅÏ¢µÄ³é´Ê
½á¹ûÓÖ¸ù¾ÝÊ«µÄÌصã½øÐÐÁËÐÞÕý£¬È磺°´ÕÕÊ«¾äµÄƽØÆ£¨Æ½Æ½ØÆØÆƽƽØÆ£¬ØÆØÆƽƽØÆ
ØÆƽ£©£¬ÔÚƽØƽ»´íµÄÁ½×ֶ಻Äܳɴʣ»Ê«¾äÖжÔÕÌÓڴʵÄλÖóöÏִʵĿÉÄÜÐÔ»áÔö¼Ó
£»¿çԽרÃû¡¢ÊéÃû±ß½çµÄÁ½×Ö²»Äܳɴʣ»×¨Ãû¡¢ÊéÃû²»¼ÇΪ´ÊµÈ¡£ÕâÑù£¬ÏµÍ³´Ó45Íò×Ö
µÄÊ«ÎÄÓïÁÏÖгéÈ¡Ô¼600¸ö´Ê£¬ÕýÈ·ÂÊ´ï95%¡£³é´Ê¹¤×÷ÊǴʵä±à×ëµÄ»ù´¡¡£
ÔÚ´ËÏîÑо¿µÄ»ù´¡ÉÏ£¬µ±È»»¹¿ÉÒÔ½øÒ»²½¿ªÕ¹¸÷¸ö²ã´ÎµÄÓïÑÔÑо¿¼°¹ÅººÓïÐÅÏ¢´¦ÀíÑÐ
¾¿£¬°üÀ¨ÊµÏÖ´Ó¹ÅÎÄ£¨¹ÅÊ«£©µ½°×»°ÎÄ¡¢¹ÅÎĵ½ÍâÎĵĻúÆ÷·Òë¡£
4£®2 ¸ñÂÉÑо¿
½üÌåÊ«£¨¾ø¾ä¡¢ÂÉÊ«£©µÄѺÔÏÊǷdz£ÓйæÂɵģ¬¼´Å¼¾äѺÔÏ£¬Ê×¾äËæÒâ¡£Ö»Òª½«Ã¿Ê×½ü
ÌåÊ«µÄµÚÒ»¾ä¼°Å¼¾äµÄβ×ÖÈ¡³ö£¬¾Í¿ÉÒÔÅжϸÃÊ×Ê«µÄѺÔÏÊÇ·ñ·ûºÏ³£¹æÒÔ¼°ËùѺµÄÊÇ
¡°Ê«ÔÏ¡±ÖеÄÄÄÒ»¸öÔÏ¡£ÏµÍ³ÖдæÓС°ÔÏÊ顱±¸²é£¬²¢ÇÒѹÔϹæÔòÒ²´æ´¢ÓÚϵͳ¹æÔò¿â
ÖС£
ϵͳÖл¹´æ·ÅÒ»²¿¹Å½ñ³£ÓÃ×Ö×ֵ䣨°üÀ¨Á˽ʫµÄÈ«²¿ÓÃ×Ö5500Óà×Ö£©¡£Ã¿¸ö×ÖµÄÊôÐÔ
ÐÅÏ¢°üÀ¨ÆäÏÖ´ú¶ÁÒô£¨ººÓïÆ´ÒôÐÎʽ±íʾ£¬°üÀ¨Éùĸ¡¢ÔÏĸ¼°Òõƽ¡¢Ñôƽ¡¢ÉÏÉù¡¢È¥Éù
ºÍÇáÉùÎå¸öÒôµ÷£©£¬¹ÅÒô£¨¿É½øÒ»²½Çø·ÖΪÉϹÅÒôÓëÖйÅÒô£©µÄÉùĸ¡¢Ôϲ¿¼°Òôµ÷£¨Æ½
¡¢ÉÏ¡¢È¥¡¢È룩¡£Òò´Ë£¬³ýÔÏÖ®Í⣬»¹¿ÉÒÔ½øÒ»²½Ñо¿Ê«µÄƽØƱ仯ºÍ¹Å½ñÒôµÄ¶Ô±È¡£
ϵͳ¿ÉÒÔΪʫÎÄ×Ô¶¯×¢Òô¡£µ«ÊÇÓÉÓÚÔÚ×¢Òô¹ý³ÌÖУ¬·¢ÏÖ¹ÅÎÄÖÐͨ¼ÙºÍ¶àÒôµÄÏÖÏó´óÁ¿
´æÔÚ£¬¹Å½ñ³£ÓÃ×Ö×ÖµäÊ®·Ö֮һǿµÄ×ÖΪ¶àÒô×Ö£¬Èç³£ÓÃ×Ö¡°»ª¡±×Ö¾ÍÓÐÈýÒô£¬¡°hua1
¡±£¨Í¨¡°»¨¡±£©¡¢¡°hua4¡±ºÍ¡°hua2¡±¡£ÕâÑùµ¥´¿ÒÀ¿¿×ÖµäµÄ×¢ÒôЧ¹û²»ÄÜÁîÈËÂúÒâ¡£
Òò´ËϵͳÔÚ¶Ô¶àÒô×Ö×¢Òô¹ý³ÌÖÐÒýÈëÁËÉÏÏÂÎĵÄÐÅÏ¢£¬¸ù¾Ý¶àÒô×ֺ͸½½üºº×ÖµÄͬÏÖÐÅ
Ï¢[5]£¨CONCURRENCE INFORMATION£©Îª¶àÒô×Ö×¢Òô¡£
Ê×ÏÈ£¬½¨Á¢È˹¤±ê×¢µÄ¶àÒô×ÖÓïÁÏ£¬²¢ÇÒ¸ù¾ÝÕâЩÓïÁϼÆËã¶àÒô×ÖºÍÆäÉÏÏÂÎÄÖкº×ÖµÄ
ͬÏÖÐÅÏ¢¡£Í¬ÏÖÐÅÏ¢ºÍ»¥ÐÅÏ¢Ïà½ü¡£¹«Ê½ÈçÏ£º
ÆäÖУ¬x±íʾ¾ßÓÐijȷ¶¨·¢ÒôµÄij¶àÒô×Ö£¬y±íʾ³öÏָöàÒô×ÖxµÄÉÏÏÂÎÄÖеÄijºº×Ö£¬ÏÂ
±êw±íʾ¶àÒô×ÖxºÍºº×ÖyµÄ¾àÀ룬pw(x,y)ÊǺº×Öx£¬yµÄ¾àÀë²»³¬¹ýwµÄͬÏÖƵÂÊ£¬ÖÁÓÚp
(x)£¬p(y)µÄ¶¨ÒåºÍ»¥ÐÅÏ¢Ò»Ñù¡£
È»ºó£¬¸ù¾ÝÓɱê×¢ÓïÁϼÆËã¶øµÃµÄͬÏÖÐÅÏ¢¾Í¿ÉÒÔ¶Ô¶àÒô×Ö½øÐÐ×¢Òô¡£
ÀýÈ磺Èç¹ûÒª¶Ô¡°²Î²î±ÌÍß´øбêÍ¡±¾äÖеġ°²Î¡±×Ö×¢Òô¡£×ÖµäÖС°²Î¡±×ÖÓÐÈýÒô¡°ca
n1¡±¡¢¡°cen1¡±¡¢¡°shen1¡±¡£ÓÉÓÚ²âÊÔ¾äÖУ¬¡°²Î¡±×ֵĺó¼Ì×ÖΪ¡°²î¡±£¬¶ø¡°²Î¡±µÄ
¡°cen1¡±ÒôºÍ¡°²î¡±µÄͬÏÖÐÅÏ¢Ô¶Ô¶¸ßÓÚ¡°²Î¡±×ÖµÄÁíÍâÁ½¸öÒôÓëÆäËüºº×ÖµÄͬÏÖÐÅÏ¢
£¬ËùÒԴ˾äÖеġ°²Î¡±×ÖӦע¡°cen1¡±Òô¡£
ÕâÑù£¬ÔÚ¶àÒô×Ö×¢Òô´¦ÀíÖÐÒýÈëÉÏÏÂÎĵÄÐÅÏ¢£¬¾Êµ¼ùÖ¤Ã÷¿ÉÒÔ´ïµ½ÂúÒâµÄЧ¹û¡£
ÔÚ×¢ÒôÖ®ºó£¬ÓÉÓÚ¶àýÌå¼¼ÊõµÄ·¢Õ¹£¬ÔÚ¹ÅÊ«Ñо¿ÏµÍ³Öаüº¬Â½Ê«µÄÒ÷ËÐÒÑûÓÐʲôÀ§
ÄÑ¡£µ«ÊÇÊ«ÓëÆäËü¹Å¼®²»Í¬£¬Ê«µÄ¼ÛÖµºÜ´ó²¿·ÖÔÚÒôÔÏÉÏ£¬²¢ÇÒ×Ô¹ÅÖÁ½ñ£¬ºº×ÖÒôµÄ±ä
»¯Òª´óÓÚÐεı仯£¬Ôì³ÉÐí¶à¹ÅÊ«ÒôÔÏÃÀµÄÆÆ»µ¡£Òò´ËÈç¹ûÄܹ»¡°¸´»î¡±ºº×ֵĹÅÒô£¨
¼´²»½öÔÚÖ½ÃæÉÏÒÔijÖÖ·½Ê½×¢Òô£¬Èç¡°·´ÇС±»ò¹ú¼ÊÒô±ê£¬¶øÊÇÄܹ»ÕæÕý¶Á³öÀ´£©£¬¾Í
¿ÉÒÔ»Ö¸´¹ÅÊ«µÄÔÓзçò£¬ÏàÐŶÔÓÚÑо¿ÕßµÄÑо¿Ò²»áÓÐËùñÔÒæ¡£
4£®3 ·ç¸ñÑо¿
·ç¸ñָʫÈËÔÚÆä×÷Æ·ÖбíÏÖ³öµÄ¸öÈËÌØÕ÷£¬°üÀ¨Ö÷ÌⷶΧ¡¢Ë¼ÏëÇé²Ù¡¢ÓïÑÔÎÄ×Ö¸÷¸ö·½
Ãæ¡£ÎÄѧÆÀÂÛ¼Òͨ³£ÊǸù¾Ý×Ô¼ºµÄÖ÷¹ÛÈÏʶȥÆÀ¼ÛÊ«ÈË·ç¸ñµÄ¡£Æäʵ£¬ÕâÖÖ·ç¸ñÒ²ÔÚ¸÷
λʫÈ˵Ä×÷Æ·µÄͳ¼ÆÌØÕ÷ÉϱíÏÖ³öÀ´£¬»»¾ä»°Ëµ£¬·ç¸ñÒ²ÓÐÊýÁ¿ÉϵıíÏÖ£¬ÊÇ¿ÉÒÔ¼ÆËã
µÄ£¬ÕâÊǼÆËãÓïÑÔѧµÄÒ»¸öÑо¿ÁìÓò£¬¼´¼ÆËã·ç¸ñѧ¡£¼ÆËã·ç¸ñѧӦÓÃÓÚ×÷Õß¿¼Ö¤£¬Ôø
½â¾öÁËÎÄÏ×Ê·ÉÏÐí¶à´æÔÚÕùÒéµÄ¼¬ÊÖÎÊÌâ[4]¡£
ÀûÓÃÇ°ÊöµÄϵͳ»ù±¾¹¦Äܺ͸¨ÖúÑо¿¹¦ÄÜ£¬¿ÉÒÔ¶Ô½ÓÎÊ«×÷µÄÎÄ×Ö·ç¸ñ¡¢ÒôÔÏ·ç¸ñ¡¢Óï
ÑÔ·ç¸ñ¼°ÐÞ´Ç·ç¸ñ½øÐж¨Á¿µÄÆÀ¹À£¬Ò²¿ÉµÃµ½Ïà¶ÔÓÚÈ«ËÎÊ«ÕûÌå»òÆäËüÊ«È˵ıȽϽá¹û
¡£
ÀýÈ磬Èç¹ûͳ¼ÆÁ˽ÓÎÊ«µÄÈ«²¿ºº×Ö¼°ÆäƵ¶È£¬Ò²Í³¼ÆÁË¡¶È«ËÎÊ«¡·µÄÈ«²¿ºº×Ö¼°ÆäƵ
¶È£¬ÎÒÃǾͿÉÒÔÁ˽â½ÓÎʹÓúº×ֵķç¸ñÓëͬʱ´úÊ«ÈËʹÓúº×ֵķç¸ñÊÇ·ñÏà½ü£¬Â½ÓÎ
ÊÇ·ñϲ»¶Ê¹ÓÃÉú±Ù×ÖÒÔ¼°Ê¹ÓÃÁËÄÄЩÉú±Ù×Ö£¨Ö¸ÔÚ½ÓÎÊ«ÖеijöÏÖ´ÎÊýÓëÔÚÈ«ËÎÊ«ÖеÄ
³öÏÖ´ÎÊýÏàͬ»òÏà½üµÄÄÇЩ×Ö£©¡£Èç¹ûÎÒÃÇʵÏÖÁËÊ«¾äÖдʵÄÇзÖÓë´ÊµäµÄ±à×ëÔò¿ÉÑÐ
¾¿Â½ÓÎDz´ÊÔì¾äµÄ·ç¸ñ£¬°üÀ¨Â½ÓÎÊÇ·ñϲ»¶Ê¹Óõä¹Ê¡£ÏÔÈ»£¬Â½ÓÎÊ«ÖгöÏÖµÄרÃû£¨ÈË
Ãû¡¢µØÃû¡¢×÷Æ·ÃûµÈ£©¶Ô×÷Æ·µÄ±çαҲÓÐÖØÒªµÄ²Î¿¼¼ÛÖµ¡£
Èç¹û²»°Ñ½ÓεÄʫͬȫËÎÊ«×÷±È½Ï£¬½ö¶Ô½ÓÎ×Ô¼ºµÄÊ«Ò²¿ÉÒÔͳ¼Æ³öÈô¸É·ç¸ñÉϵÄÌØÕ÷
À´¡£ÀýÈ磬¼ÆËã½ÓÎÈ«²¿Ê«×÷Öи÷ÖÖÊ«ÌåËùÕ¼µÄ±ÈÂʼ°ÏÂÁи÷ÖÖ±ÈÂÊ£º¹ÅÌåÊ«»»ÔÏ¡¢Æ½
ÉùÔÏ¡¢ØÆÉùÔÏ¡¢½üÌåÊ«µÚÒ»¾äÊÇ·ñѺÔÏ¡¢Æ½ØƱ仯ÊÇ·ñºÏºõ³£¹æµÈµÈ¡£¸ù¾ÝÕâЩ±ÈÂÊ£¬
ÈËÃÇ¿ÉÒÔÅжϽÓÎдʫÊÇÑϸñ×ñÑÊ«µÄ¸ñÂÉ»¹ÊDZȽÏ×ÔÓɵġ£ÀûÓÃÕâЩͳ¼ÆÊý¾Ý£¬¿ÉÒÔ
ÔÚ¸ÅÂʵÄÒâÒåÉÏÅжÏijЩ¹éÊô´æÒɵÄÊ«ÊÇ·ñΪ½ÓεÄ×÷Æ·¡£
4£®4 ÓàÂÛ
³ýÁË·ç¸ñÌØÕ÷Í⣬һ°ã¶ÔÓÚ´æÒÉ×÷Æ·µÄ×÷ÕßÅж¨ÊÇ¿´¸Ã×÷ÕßµÄÈ«²¿Ê«×÷ÖÐÊÇ·ñÓÐÏàËÆ×÷
Æ·¡£Òò´ËÀûÓÃϵͳÌṩµÄ¹¦ÄÜ£¬¶ÔÓÚ¸ø¶¨µÄÊ«ÎĺÍÏàËƱÈÂʵĴóС£¬¿ÉÒÔÔÚϵͳ´æ´¢µÄ
Ê«ÎÄÖв鵽ÏàËƵÄÊ«ÎÄ¡£
¹Å¼®ÓÐʱÐèÒª·ÖÀàÑо¿£¬°´ÕÕÌâ²Ä¿É·ÖΪÐðÊ¡¢ÊãÇé¡¢ÕÜÀí¡¢Ó½ÎïµÈ£¬ÏµÍ³¸ù¾Ýר¼ÒÌá
¹©µÄÌâ²Ä³£Óôʣ¬¿ÉÒÔ½øÐÐ×Ô¶¯·ÖÀà[5]¡£¾ßÌåµ½¹ÅÊ«£¬ÓÉÓÚÿÊ×Ê«µÄ×ÖÊý¹ýÉÙ£¬Òò´Ë·Ö
ÀàµÄ׼ȷÂʲ»¿ÉÄÜÌ«¸ß¡£µ«ÊÇÎÒÃÇÏ£ÍûÕâÒ»¹¦ÄÜÔڹż®Ñо¿ÖÐÄÜ·¢»Ó¸ü´óµÄ×÷Óá£
Îå¡¢½áÓï
ËäÈ»ÎÒÃdzõ²½½¨Á¢ÁËÒ»¸ö¹ÅÊ«Ñо¿µÄ¼ÆËã»úÖ§³Ö»·¾³£¬¶Ô¹Å¼®ÕûÀíÑо¿¹¤×÷µÄ¼ÆËã»ú»¯
È¡µÃÁËһЩ¾Ñ飬µ«ÕâЩ¹¤×÷ÊÇÏ൱³õ²½µÄ¡£
ÖйúµÄ¹Å¼®ÊÇÎÒÃÇÌØÓеÄÒ»·ÝÕä¹óÒŲú£¬µ«ÊÇÕâ¸öרҵµÄ¼ÆËã»ú»¯µÄ¹¤×÷×öµÃ»¹²»ÊǺÜ
¶à£¬¶øÔÚÏÖÓеÄһЩ¹¤×÷ÖУ¬ÓÖ´æÔÚ¶ÔÓÚijЩÈȵã¹Å¼®µÄÖظ´¿ª·¢ºÍȱ·¦Í³Ò»±ê×¼µÄÎÊ
Ìâ¡£¶ÔÓÚÕâЩÎÊÌâµÄ½â¾öºÍ¸üÉîÈëµÄÑо¿»¹ÐèÒªÓиü¶àµÄÑо¿ÕßDZÐĵÄͶÈë¡£
±¾¿ÎÌâ×黹ÓÐÁ½Ãû³ÉÔ±£¬ÓÚ²©ÎĺÍÉò¸Õͬѧ¶¼ÎªÏµÍ³µÄ³õ²½Éè¼ÆºÍ¿ª·¢×÷³öÁËŬÁ¦£¬±¾
ÎÄÒ²°üº¬ÁËËûÃǵÄÀͶ¯³É¹û¡£
²Î¿¼ÎÄÏ×
[1] лÇå¿¡¡¢³ÂÕÑÕ䣬¡¶Ì¸¹Å¼®Ö®µç×Ó°æ±¾¡·£¬1993Äê10¸ü¶àÔº£Ï¿Á½°¶¹Å¼®ÕûÀíÑо¿
³ö°æÏÖ´ú»¯¼¼ÊõÑÐÌÖ»áÂÛÎļ¯¡£
[2] ÔÝÒÔÇ®ÖÙÁª¡¶½£ÄÏÊ«¸åУע¡·ÕýÎÄΪµ×±¾£¬ÉϺ£¹Å¼®³ö°æÉ磬1985Äê9ÔµÚÒ»°æ¡£
´ý¡¶È«ËΡ¤Ê«Â½ÓÎÊ«¼¯¡·Ð£¶©ºó£¬ÔÙ¸ÄΪ¡¶È«ËÎÊ«¡·±¾£¨ÒÔ¼°¹Å¸ó¡¶½£ÄÏÊ«¸å¡·Îªµ×±¾
£¬ÓëǮͬ£©¡£
[3] ÂíÏ£ÎÄ£¬¡¶ÒÔ¼ÆËãÓïÑÔΪ±³¾°¿´Óï·¨ÎÊÌâ¡·£¬¹úÍâÓïÑÔѧ£¬1989ÄêµÚÈýÆÚ£¬P139¡«
145
[4] ·ë־࣬¡¶ÊýѧÓëÓïÑÔ¡·£¬ºþÄϽÌÓý³ö°æÉ磬1991Äê2ÔµÚÒ»°æ£¬P92¡«99.
[5]¡¶TEXT_BASED INTELLIGENT SYSTEMS Current Reserach and Practice in Inf
ormation Extraction and Retrieval¡·, Edidted by Paul S.Jacobs, 1993
[6] ËïïËÉ£¬»Æ²ýÄþ£¬Â½·½£¬Éò´ïÑô£¬¡¶ÀûÓÃBIGRAM½â¾öººÓï×Ô¶¯·Ö´ÊÖеĽ»¼¯ÐÍÆçÒå
¡·
The Implementation of a Computer_Aided Environment for Ancient Poetry Resea
rches
LIU Yanbin YU Shiwen Institute of Computational Linguistics, Peking Un
iversity
SUN Qinshan Institute of Ancient Texts, Peking Unive
rsity
Abstract
The Computer_Aided Environment of Chinese Ancient Poetry Researches is
being developed in Peking University. This paper introduces the design and i
mpletementation of the system. The poetry of Song Dynasty is selected as the
original content of the system. All of the poems of LU You, a famous poet i
n Song Dynasty, and part of annotations, have been typed in. The paper intro
duces the system's fundamental function,such as retrieval, read, statistics,
assistant tools and the related techniques. In details it describes Full Te
xt Retrieval and Hypertext. The paper also introduces some deep researches w
hich can be implemented by the aid of the system: for example, the researche
s about rules and forms of ancient poetry, the researches about ancient Chin
ese linguistics and the researches about the writing pattern of poets.
--
<<Éç»áÆõÔ¼ÂÛ>>ÊÇÒ»±¾ºÃÊé,Ó¦µ±¶à¶Á¼¸±é
·çζµÄÖâ×ÓζµÀ²»´í,ÎÒ»¹ÏëÔÙ³ÔËü
¡ù À´Ô´:¡¤¹þ¹¤´ó×϶¡Ïã bbs.hit.edu.cn¡¤[FROM: 202.118.230.220]
Powered by KBS BBS 2.0 (http://dev.kcn.cn)
Ò³ÃæÖ´ÐÐʱ¼ä£º205.840ºÁÃë