协同过滤算法源码

[{"title":"（ 6 个子文件 7KB ） 协同过滤算法源码","children":[{"title":"Collaborative Filtering","children":[{"title":".project <span style='color:#111;'> 399B </span>","children":null,"spread":false},{"title":"src","children":[{"title":"pku","children":[{"title":"Recommendation.java <span style='color:#111;'> 5.93KB </span>","children":null,"spread":false}],"spread":true}],"spread":true},{"title":"preference.data <span style='color:#111;'> 340B </span>","children":null,"spread":false},{"title":"test.data <span style='color:#111;'> 83B </span>","children":null,"spread":false},{"title":".classpath <span style='color:#111;'> 232B </span>","children":null,"spread":false},{"title":"bin","children":[{"title":"pku","children":[{"title":"Recommendation.class <span style='color:#111;'> 5.72KB </span>","children":null,"spread":false}],"spread":true}],"spread":true}],"spread":true}],"spread":true}]