An assessment of machine learning techniques for review recommendation

  • Authors:
  • Michael P. O'Mahony;Pádraig Cunningham;Barry Smyth

  • Affiliations:
  • Centre for Sensor Web Technologies, School of Computer Science and Informatics, University College Dublin;UCD Complex and Adaptive Systems Laboratory, School of Computer Science and Informatics, University College Dublin;Centre for Sensor Web Technologies, School of Computer Science and Informatics, University College Dublin

  • Venue:
  • AICS'09 Proceedings of the 20th Irish conference on Artificial intelligence and cognitive science
  • Year:
  • 2009

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Abstract

In this paper, we consider a classification-based approach to the recommendation of user-generated product reviews. In particular, we develop review ranking techniques that allow the most helpful reviews for a particular product to be recommended, thereby facilitating users to readily asses the quality of the product in question. We apply a supervised machine learning approach to this task and compare the performance achieved by several classification algorithms using a large-scale study based on TripAdvisor hotel reviews. Our findings indicate that our approach is successful in recommending helpful reviews compared to benchmark ranking schemes, and further we highlight an interesting performance asymmetry that is biased in favour of reviews expressing negative sentiment.