贺巩山（Gongshan He）

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icon company Fudan University icon location Shanghai, China icon location File System/Recommender Systems Ph.D. Candidate@Fudan University

Results 3 issues of 贺巩山（Gongshan He）

Question about the AMusic dataset

8 comment

1. https://github.com/familyld/DeepCF/blob/0d91a5ddacde4ec6de16972cb7f22a74c7c9e1a8/Data/AMusic.train.rating#L517 The user whose ID is equal to 21 doesn't exist in the train set while exists in the test set. https://github.com/familyld/DeepCF/blob/0d91a5ddacde4ec6de16972cb7f22a74c7c9e1a8/Data/AMusic.test.rating#L22 2. According the original paper, > The...

FISMrmseRecommender类中的一个错误

在源码第164行中， loss += itemBiasReg * bu * bu; 虽然itemBiasReg和userBiasReg的初始值相等，但正确的写法应该是 loss += userBiasReg * bu * bu;

There may be something wrong about ItemKNN.java

Hi, Prof. He! In the _ItemKNN.java_, the similarity matrix is a diagonal matrix but the method _buildModel_items_ only seems to calculate the values in the lower triangular part and doesn't...