Inspectability and control in social recommenders

  • Authors:
  • Bart P. Knijnenburg;Svetlin Bostandjiev;John O'Donovan;Alfred Kobsa

  • Affiliations:
  • University of California, Irvine, Irvine, CA, USA;University of California, Santa Barbara, Santa Barbara, CA, USA;University of California, Santa Barbara, Santa Barbara, CA, USA;University of California, Irvine, Irvine, CA, USA

  • Venue:
  • Proceedings of the sixth ACM conference on Recommender systems
  • Year:
  • 2012

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Abstract

Users of social recommender systems may want to inspect and control how their social relationships influence the recommendations they receive, especially since recommendations of social recommenders are based on friends rather than anonymous "nearest neighbors". We performed an online user experiment (N=267) with a Facebook music recommender system that gives users control over the recommendations, and explains how they came about. The results show that inspectability and control indeed increase users' perceived understanding of and control over the system, their rating of the recommendation quality, and their satisfaction with the system.