Effective explanations of recommendations: user-centered design

  • Authors:
  • Nava Tintarev;Judith Masthoff

  • Affiliations:
  • University of Aberdeen, Aberdeen, United Kingdom;University of Aberdeen, Aberdeen, United Kingdom

  • Venue:
  • Proceedings of the 2007 ACM conference on Recommender systems
  • Year:
  • 2007

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Abstract

This paper characterizes general properties of useful, or Effective, explanations of recommendations. It describes a methodology based on focus groups, in which we elicit what helps moviegoers decide whether or not they would like a movie. Our results highlight the importance of personalizing explanations to the individual user, as well as considering the source of recommendations, user mood, the effects of group viewing, and the effect of explanations on user expectations.