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• W2783137927 abstract "Recent studies have shown that adding explicit social trust information to social recommendation significantly improves the prediction accuracy of ratings, but it is difficult to obtain a clear trust data among users in real life. Scholars have studied and proposed some trust measure methods to calculate and predict the interaction and trust between users. In this article, a method of social trust relationship extraction based on hellinger distance is proposed, and user similarity is calculated by describing the f-divergence of one side node in user-item bipartite networks. Then, a new matrix factorization model based on implicit social relationship is proposed by adding the extracted implicit social relations into the improved matrix factorization. The experimental results support that the effect of using implicit social trust to recommend is almost the same as that of using actual explicit user trust ratings, and when the explicit trust data cannot be extracted, our method has a better effect than the other traditional algorithms." @default.
• W2783137927 created "2018-01-26" @default.
• W2783137927 creator A5017178147 @default.
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• W2783137927 date "2017-08-01" @default.
• W2783137927 modified "2023-09-25" @default.
• W2783137927 title "Implicit Trust Relation Extraction Based on Hellinger Distance" @default.
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• W2783137927 doi "https://doi.org/10.1109/skg.2017.00046" @default.
• W2783137927 hasPublicationYear "2017" @default.
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