Modeling the uniqueness of the user preferences for recommendation systems

  • Authors:
  • Haggai Roitman;David Carmel;Yosi Mass;Iris Eiron

  • Affiliations:
  • IBM Research - Haifa, Haifa, Israel;Yahoo! Research, Haifa, Israel;IBM Research - Haifa, Haifa, Israel;IBM Research - Haifa, Haifa, Israel

  • Venue:
  • Proceedings of the 36th international ACM SIGIR conference on Research and development in information retrieval
  • Year:
  • 2013

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Abstract

In this paper we propose a novel framework for modeling the uniqueness of the user preferences for recommendation systems. User uniqueness is determined by learning to what extent the user's item preferences deviate from those of an "average user" in the system. Based on this framework, we suggest three different recommendation strategies that trade between uniqueness and conformity. Using two real item datasets, we demonstrate the effectiveness of our uniqueness based recommendation framework.