PRemiSE: personalized news recommendation via implicit social experts

  • Authors:
  • Chen Lin;Runquan Xie;Lei Li;Zhenhua Huang;Tao Li

  • Affiliations:
  • Xiamen University, Xiamen, China;Xiamen University, Xiamen, China;Florida International University, Miami, FL, USA;Tongji University, Shanghai, China;Florida International University, Miami, FL, USA

  • Venue:
  • Proceedings of the 21st ACM international conference on Information and knowledge management
  • Year:
  • 2012

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Abstract

A variety of news recommender systems based on different strategies have been proposed to provide news personalization services for online news readers. However, little research work has been reported on utilizing the implicit "social" factors (i.e., the potential influential experts in news reading community) among news readers to facilitate news personalization. In this paper, we investigate the feasibility of integrating content-based methods, collaborative filtering and information diffusion models by employing probabilistic matrix factorization techniques. We propose PRemiSE, a novel Personalized news Recommendation framework via implicit Social Experts, in which the opinions of potential influencers on virtual social networks extracted from implicit feedbacks are treated as auxiliary resources for recommendation. Empirical results demonstrate the efficacy and effectiveness of our method, particularly, on handling the so-called cold-start problem.