Merge pull request #1 from heiyixueren/master

111
Merge pull request #2 from heiyixueren/master

基本代码
Merge pull request #3 from heiyixueren/master

这个是我写的完整的基于项的协同过滤
src 是minhash加lsh的源码,可测试
Merge pull request #2 from hiboys/master

minhash+lsh实现