A Web page prediction model based on click-stream tree representation of user behavior

  • Authors:
  • Şule Gündüz;M. Tamer Özsu

  • Affiliations:
  • Istanbul Technical University, Istanbul, Turkey;University of Waterloo, Waterloo, Ontario, Canada

  • Venue:
  • Proceedings of the ninth ACM SIGKDD international conference on Knowledge discovery and data mining
  • Year:
  • 2003

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Abstract

Predicting the next request of a user as she visits Web pages has gained importance as Web-based activity increases. Markov models and their variations, or models based on sequence mining have been found well suited for this problem. However, higher order Markov models are extremely complicated due to their large number of states whereas lower order Markov models do not capture the entire behavior of a user in a session. The models that are based on sequential pattern mining only consider the frequent sequences in the data set, making it difficult to predict the next request following a page that is not in the sequential pattern. Furthermore, it is hard to find models for mining two different kinds of information of a user session. We propose a new model that considers both the order information of pages in a session and the time spent on them. We cluster user sessions based on their pair-wise similarity and represent the resulting clusters by a click-stream tree. The new user session is then assigned to a cluster based on a similarity measure. The click-stream tree of that cluster is used to generate the recommendation set. The model can be used as part of a cache prefetching system as well as a recommendation model.