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- W2911459452 abstract "In modern recommender systems, both users and items are associated with rich side information, which can help understand users and items. Such information is typically heterogeneous and can be roughly categorized into flat and hierarchical side information. While side information has been proved to be valuable, the majority of existing systems have exploited either only flat side information or only hierarchical side information due to the challenges brought by the heterogeneity. In this paper, we investigate the problem of exploiting heterogeneous side information for recommendations. Specifically, we propose a novel framework jointly captures flat and hierarchical side information with mathematical coherence. We demonstrate the effectiveness of the proposed framework via extensive experiments on various real-world datasets. Empirical results show that our approach is able to lead a significant performance gain over the state-of-the-art methods." @default.
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- W2911459452 date "2019-05-13" @default.
- W2911459452 modified "2023-10-18" @default.
- W2911459452 title "Recommender Systems with Heterogeneous Side Information" @default.
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- W2911459452 doi "https://doi.org/10.1145/3308558.3313580" @default.
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