Cross-Domain Recommendation Via Tag Matrix Transfer
2015 IEEE International Conference on Data Mining Workshop (ICDMW)(2015)
摘要
Data sparseness is one of the most challenging problems in collaborative filtering(CF) based recommendation systems. Exploiting social tag information is becoming a popular way to alleviate the problem and improve the performance. To this end, in recent recommendation methods the relationships between users/items and tags are often taken into consideration, however, the correlations among tags from different item-domains are always ignored. For that, in this paper we propose a novel way to exploit the rating patterns across multiple domains by transferring the tag co-occurrence matrix information, which could be used for revealing common user pattern. With extensive experiments we demonstrate the effectiveness of our approach for the cross-domain information recommendation.
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关键词
cross-domain recommendation,tag matrix transfer,collaborative filtering based recommendation systems,data sparseness,social tag information,tag co-occurrence matrix information
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