A translation model for matching reviews to objects

  • Authors:
  • Nilesh Dalvi;Ravi Kumar;Bo Pang;Andrew Tomkins

  • Affiliations:
  • Yahoo! Research, Sunnyvale, CA, USA;Yahoo! Research, Sunnyvale, CA, USA;Yahoo! Research, Sunnyvale, CA, USA;Yahoo! Research, Sunnyvale, CA, USA

  • Venue:
  • Proceedings of the 18th ACM conference on Information and knowledge management
  • Year:
  • 2009

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Abstract

We develop a generic method for the review matching problem, which is to match unstructured text reviews to a list of objects, where each object has a set of attributes. To this end, we propose a translation model for generating reviews from a structured description of objects. We develop an EM-based method to estimate the model parameters and use this model to find, given a review, the object most likely to be the topic of the review. We conduct extensive experiments on two large-scale datasets: a collection of restaurant reviews from Yelp and a collection of movie reviews from IMDb. The experiments show that our translation model-based method is superior to traditional tf-idf based methods as well as a recent mixture model-based method for the review matching problem.