Improving Recommendation Novelty Based on Topic Taxonomy

  • Authors:
  • Li-Tung Weng;Yue Xu;Yuefeng Li;Richi Nayak

  • Affiliations:
  • -;-;-;-

  • Venue:
  • WI-IATW '07 Proceedings of the 2007 IEEE/WIC/ACM International Conferences on Web Intelligence and Intelligent Agent Technology - Workshops
  • Year:
  • 2007

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Abstract

Clustering has been a widely applied approach to improve the computation efficiency of collaborative filtering based recommendation systems. Many techniques have been suggested to discover the item-to-item, user-to-user, and item-to-user associations within user clusters. However, there are few systems utilize the cluster based topic-to-topic associations to make recommendations. This paper suggests a taxonomy-based recommender system that utilizes cluster based topic-to-topic associations to improve its recommendation quality and novelty.