Matching reviews to objects using a language model

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

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

  • Venue:
  • EMNLP '09 Proceedings of the 2009 Conference on Empirical Methods in Natural Language Processing: Volume 2 - Volume 2
  • Year:
  • 2009

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Abstract

We develop a general method to match unstructured text reviews to a structured list of objects. For this, we propose a language model for generating reviews that incorporates a description of objects and a generic review language model. This mixture model gives us a principled method to find, given a review, the object most likely to be the topic of the review. Extensive experiments and analysis on reviews from Yelp show that our language model-based method vastly outperforms traditional tf-idf-based methods.