Incorporating topic information into sentiment analysis models

  • Authors:
  • Tony Mullen;Nigel Collier

  • Affiliations:
  • National Institute of Informatics (NII), Chiyoda-ku, Tokyo, Japan;National Institute of Informatics (NII), Chiyoda-ku, Tokyo, Japan

  • Venue:
  • ACLdemo '04 Proceedings of the ACL 2004 on Interactive poster and demonstration sessions
  • Year:
  • 2004

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Abstract

This paper reports experiments in classifying texts based upon their favorability towards the subject of the text using a feature set enriched with topic information on a small dataset of music reviews hand-annotated for topic. The results of these experiments suggest ways in which incorporating topic information into such models may yield improvement over models which do not use topic information.