信息检索高级课题，一本介绍信息检索研究课题的很好的教材，好不容易才找到的，值得-Advanced information retrieval issues, a description is a good information retrieval research materials are not easy to find, and worth a look
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Advanced topic in IR 1-overview.ppt 10-fang-feb-17.ppt 11-jiang-feb-22.ppt 12-le-march-1.ppt 13-fetch.ppt 14-april-12-han.ppt 2-challenges.ppt 3-webtopics.ppt 4-emailtopics.ppt 5-littopics.ppt 6-shen-feb-3.ppt 7-lee-feb-8.ppt 8-mei-feb-10.ppt 9-cheng-feb-15.ppt 目录.txt
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001277s ]
SELECT `a`.`aid`,`a`.`title`,`a`.`create_time`,`m`.`username` FROM `jrk_downrecords` `a` INNER JOIN `jrk_member` `m` ON `a`.`uid`=`m`.`id` WHERE `a`.`status` = 1 GROUP BY `a`.`aid` ORDER BY `a`.`create_time` DESC LIMIT 10 [ RunTime:0.087682s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001238s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001914s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001235s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003631s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001091s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003290s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.024091s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001932s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 318160 [ RunTime:0.001456s ]
