Combining case-based and similarity-based product recommendation

  • Authors:
  • Armin Stahl

  • Affiliations:
  • German Research Center for Artificial Intelligence (DFKI) GmbH, Research Group Image Understanding and Pattern Recognition (IUPR), Technical University of Kaiserslautern, Kaiserslautern, Germany

  • Venue:
  • ECCBR'06 Proceedings of the 8th European conference on Advances in Case-Based Reasoning
  • Year:
  • 2006

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Abstract

Product recommender systems are a popular application and research field of CBR for several years now. However, almost all CBR-based recommender systems are not case-based in the original view of CBR, but just perform a similarity-based retrieval of product descriptions. Here, a predefined similarity measure is used as a heuristic for estimating the customers' product preferences. In this paper we propose an extension of these systems, which enables case-based learning of customer preferences. Further, we show how this approach can be combined with existing approaches for learning the similarity measure directly. The presented results of a first experimental evaluation demonstrate the feasibility of our novel approach in an example test domain.