MAP: Mean Average Precision
NDCG: Normalized Discounted Cumulative Gain
MRR: Mean Reciprocal Rank
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其他好文 时间:
2014-08-06 18:44:32
阅读次数:
381
Although Model-View-Controller (MVC) is known by nearly every Web developer, how to properly use MVC in real application development still eludes many people. The central idea behind MVC is?code ...
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Web程序 时间:
2014-08-04 18:28:57
阅读次数:
349
Rank of TetrisTime Limit: 1000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 4931 Accepted Submission(s): 135...
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其他好文 时间:
2014-08-01 19:07:32
阅读次数:
279
Problem Description
Bessie has gone to the mall's jewelry store and spies a charm bracelet. Of course, she'd like to fill it with the best charms possible from the N (1 ≤ N ≤ 3,402) available c...
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其他好文 时间:
2014-08-01 16:12:31
阅读次数:
248
Installing and Configuring Microsoft iSCSI Initiator http://technet.microsoft.com/en-us/library/ee338480(v=WS.10).aspx
好文章, 简明扼要. Storage Top 10 Best Practices http://technet.microsoft.com/en-us/library/cc966534.aspx
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数据库 时间:
2014-08-01 12:54:31
阅读次数:
242
http://www.appannie.com/indexes/all-stores/rank/games/?month=2014-05-01闲来无事 ,看看app排名。来自于五月份全球app排名 包括安android平台和IOS平台。从表中看除中国、日本外 ,绝大部分为欧美公司。而收入排行榜上中国...
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移动开发 时间:
2014-07-31 12:19:36
阅读次数:
541
1.$readTime_rank_result=M(‘blog‘)->order(‘bReadTime DESC‘)->limit(3)->select(): ? a.返回值为数据集,可以用一下的方法在前台输出: ? ? <volist name="readTime" id="r"> ? ? ? ?{$r.Id} nbsp; {$r...
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Web程序 时间:
2014-07-31 10:01:26
阅读次数:
281
Description
After coding so many days,Mr Acmer wants to have a good rest.So travelling is the best choice!He has decided to visit n cities(he insists on seeing all the cities!And he does not mind w...
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其他好文 时间:
2014-07-30 17:37:14
阅读次数:
306
http://www.cnblogs.com/umen/archive/2011/04/11/2012136.htmlSQL code: sql over的作用及用法RANK ( ) OVER ( [query_partition_clause] order_by_clause )DENSE_RAN...
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数据库 时间:
2014-07-30 14:42:43
阅读次数:
328