皮尔森相关系数 之用户推荐的协同过滤推荐(Item-Based)

Item-Based 和 User-based 区别
http://www.gooseeker.com/cn/node/knowledgebase/colfiltering


基于皮尔森相关系数的协同过滤算法
http://www.cnblogs.com/hxsyl/p/4000756.html


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http://download.csdn.net/detail/icgreen/7484081

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