1、Information

publication：RecSys 2013

author:zhengyong zhang

2、What

是对上一篇论文的拓展：利用社交媒体中用户信息 对用户购买的类别排序；再由预测出的类别，做商品品牌的推荐

3、Dataset Facebook-Eaby

4、How

input: 用户社交媒体上特征向量

output: top k 的推荐商品品牌

method：最接近邻居推荐KNN(Like-based/purchased-based KNN) ， 相关联商品的联合推荐

5、Evaluation:

baseline:popularity

Precision,Recall, F1.

6、Conclusion

点互信息pmi（x,y）可以度量两个变量之间是否有关联。

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