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Social Trust Prediction Using Heterogeneous Networks JIN HUANG, FEIPING NIE, and HENG HUANG, University of Texas at Arlington YI-CHENG TU, University of South Florida YU LEI, University of Texas at Arlington Along with increasing popularity of social websites, online users rely more on the trustworthiness information to make decisions, extract and filter information, and tag and build connections with other users. However, such social network data often suffer from severe data sparsity and are not able to provide users with enough information. Therefore, trust prediction has emerged as an important topic in social network research. Traditional approaches are primarily based on exploring trust graph topology itself. However, research in sociology and our life experience suggest that people who are in the same social circle often exhibit similar behaviors and tastes. To take advantage of the ancillary information for trust prediction, the challenge then becomes what to transfer and how to transfer. In this article, we address this problem by aggregating heterogeneous social networks and propose a novel joint social networks mining (JSNM) method. Our new joint learning model explores the user-group-level similarity between correlated graphs and simultaneously learns the individual graph structure; therefore, the shared structures and patterns
ACM Transactions on Knowledge Discovery from Data (TKDD) – Association for Computing Machinery
Published: Nov 1, 2013
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