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Deep Matrix Factorization Models for Recommender Systems

Deep Matrix Factorization Models for Recommender Systems Hong-Jian Xue, Xin-Yu Dai, Jianbing Zhang, Shujian Huang, Jiajun ChenNational Key Laboratory for Novel Software Technology; Nanjing University, Nanjing 210023, ChinaCollaborative Innovation Center of Novel Software Technology and Industrialization, Nanjing 210023, Systems usually make personalizedrecommendation with user-item interaction ratings,implicit feedback and auxiliary information. Ma-trix Factorization is the basic idea to predict a per-sonalized ranking over a set of items for an indi-vidual user with the similarities among users anditems. In this paper, we propose a novel matrixfactorization model with neural network architec-ture.

2017] presented an approach with a multi-layer perceptron to automatically learn the function ofF . The motivation of this method is to learn the non-linear interactions between users and items. In this paper, we follow the Latent Factor Model which uses the inner product to calculate the interactions between users and items.

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