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Constrained Probabilistic Matrix Factorization with Neural Network for Recommendation System

Abstract : In order to alleviate the problem of rating sparsity in recommendation system, this paper proposes a model called Constrained Probabilistic Matrix Factorization with Neural Network (CPMF-NN). In user modeling, it takes the influence of users’ interaction items into consideration. In item modeling, it utilizes convolutional neural network to extract the item latent features from the corresponding documents. In the process of fusion of latent feature vectors, multi-layer perceptron is used to grasp the nonlinear structural characteristics of user-item interactions. Through extensive experiments on three real-world datasets, the results show that CPMF-NN achieves good performance on different sparse data sets.
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Submitted on : Tuesday, July 30, 2019 - 5:00:23 PM
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Guoyong Cai, Nannan Chen. Constrained Probabilistic Matrix Factorization with Neural Network for Recommendation System. 10th International Conference on Intelligent Information Processing (IIP), Oct 2018, Nanning, China. pp.236-246, ⟨10.1007/978-3-030-00828-4_24⟩. ⟨hal-02197766⟩

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