Social Trust-Aware Recommendation System: A T-Index Approach

  title={Social Trust-Aware Recommendation System: A T-Index Approach},
  author={Alireza Zarghami and Soude Fazeli and Nima Dokoohaki and Mihhail Matskin},
  journal={2009 IEEE/WIC/ACM International Joint Conference on Web Intelligence and Intelligent Agent Technology},
Collaborative Filtering based on similarity suffers from a variety of problems such as sparsity and scalability. In this paper, we propose an ontological model of trust between users on a social network to address the limitations of similarity measure in Collaborative Filtering algorithms. For enhancing the constructed network of users based on trust, we introduce an estimate of a user’s trustworthiness called T-index to identify and select neighbors in an effective manner. We employ T-index to… CONTINUE READING
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