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Contextual Operation for Recommender Systems
Wu, Shu; Liu, Qiang; Wang, Liang; Tan, Tieniu
2016-08-01
发表期刊IEEE TRANSACTIONS ON KNOWLEDGE AND DATA ENGINEERING
卷号28期号:8页码:2000-2012
文章类型Article
摘要With the rapid growth of various applications on the Internet, recommender systems become fundamental for helping users alleviate the problem of information overload. Since contextual information is a significant factor in modeling the user behavior, various context-aware recommendation methods have been proposed recently. The state-of-the-art context modeling methods usually treat contexts as certain dimensions similar to those of users and items, and capture relevances between contexts and users/items. However, such kind of relevance has much difficulty in explanation. Some works on multi-domain relation prediction can also be used for the context-aware recommendation, but they have limitations in generating recommendations under a large amount of contextual information. Motivated by recent works in natural language processing, we represent each context value with a latent vector, and model the contextual information as a semantic operation on the user and item. Besides, we use the contextual operating tensor to capture the common semantic effects of contexts. Experimental results show that the proposed Context Operating Tensor (COT) model yields significant improvements over the competitive compared methods on three typical datasets. From the experimental results of COT, we also obtain some interesting observations which follow our intuition.
关键词Recommender Systems Context-aware Contextual Information Context Representation Context Operation
WOS标题词Science & Technology ; Technology
DOI10.1109/TKDE.2016.2562621
收录类别SCI
语种英语
项目资助者National Basic Research Program of China(2012CB316300) ; National Natural Science Foundation of China(61403390 ; U1435221)
WOS研究方向Computer Science ; Engineering
WOS类目Computer Science, Artificial Intelligence ; Computer Science, Information Systems ; Engineering, Electrical & Electronic
WOS记录号WOS:000380122200005
引用统计
文献类型期刊论文
条目标识符http://ir.ia.ac.cn/handle/173211/12167
专题智能感知与计算研究中心
作者单位Chinese Acad Sci, Inst Automat, Natl Lab Pattern Recognit, Ctr Res Intelligent Percept & Comp, Beijing 100190, Peoples R China
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GB/T 7714
Wu, Shu,Liu, Qiang,Wang, Liang,et al. Contextual Operation for Recommender Systems[J]. IEEE TRANSACTIONS ON KNOWLEDGE AND DATA ENGINEERING,2016,28(8):2000-2012.
APA Wu, Shu,Liu, Qiang,Wang, Liang,&Tan, Tieniu.(2016).Contextual Operation for Recommender Systems.IEEE TRANSACTIONS ON KNOWLEDGE AND DATA ENGINEERING,28(8),2000-2012.
MLA Wu, Shu,et al."Contextual Operation for Recommender Systems".IEEE TRANSACTIONS ON KNOWLEDGE AND DATA ENGINEERING 28.8(2016):2000-2012.
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