Mining user dwell time for personalized web search re-ranking

  • Authors:
  • Songhua Xu;Hao Jiang;Francis C. M. Lau

  • Affiliations:
  • Oak Ridge National Laboratory, Oak Ridge, Tennessee;Department of Computer Science, The University of Hong Kong, Hong Kong S.A.R., P.R. China;Department of Computer Science, The University of Hong Kong, Hong Kong S.A.R., P.R. China

  • Venue:
  • IJCAI'11 Proceedings of the Twenty-Second international joint conference on Artificial Intelligence - Volume Volume Three
  • Year:
  • 2011

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Abstract

We propose a personalized re-ranking algorithm through mining user dwell times derived from a user's previously online reading or browsing activities. We acquire document level user dwell times via a customized web browser, from which we then infer conceptword level user dwell times in order to understand a user's personal interest. According to the estimated concept word level user dwell times, our algorithm can estimate a user's potential dwell time over a new document, based on which personalized webpage re-ranking can be carried out. We compare the rankings produced by our algorithm with rankings generated by popular commercial search engines and a recently proposed personalized ranking algorithm. The results clearly show the superiority of our method.