Recommendations Based on Collaborative Filtering by Exploiting Sequential Behaviors
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    Abstract:

    Collaborative filtering, which makes personalized predictions by learning the historical behaviors of users, is widely used in recommender systems. The key to enhance the performance of collaborative filtering is to precisely learn the interests of the active users by exploiting the relationships among users and items. Though various works have targeted on this goal, few have noticed the sequential correlations among users and items. In this paper, a method is proposed to capture the sequential behaviors of users and items, which can help find the set of neighbors that are most influential to the given users (items). Furthermore, those influential neighbors are successfully applied into the recommendation process based on probabilistic matrix factorization. The extensive experiments on two real-world data sets demonstrate that the proposed SequentialMF algorithm can achieve more accurate rating predictions than the conventional methods using either social relations or tagging information.

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孙光福,吴乐,刘淇,朱琛,陈恩红.基于时序行为的协同过滤推荐算法.软件学报,2013,24(11):2721-2733

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  • Received:April 30,2013
  • Revised:July 17,2013
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  • Online: November 01,2013
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