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Experimental Study for Effective Combination of Opinion Features

  • Journal of the Korean Society for Information Management
  • Abbr : JKOSIM
  • 2010, 27(3), pp.227~239
  • DOI : 10.3743/KOSIM.2010.27.3.227
  • Publisher : 한국정보관리학회
  • Research Area : Interdisciplinary Studies > Library and Information Science
  • Received : August 14, 2010
  • Accepted : August 27, 2010
  • Published : September 30, 2010

Kyoung-Soo Han 1

1성결대학교

Accredited

ABSTRACT

Opinion retrieval is to retrieve items which are relevant to the user information need topically and include opinion about the topic. This paper aims to find a method to represent user information need for effective opinion retrieval and to analyze the combination methods for opinion features through various experiments. The experiments are carried out in the inference network framework using the Blogs06 collection and 100 TREC test topics. The results show that our suggested representation method based on hidden ‘opinion’ concept is effective, and the compact model with very small opinion lexicon shows the comparable performance to the previous model on the same test data set.

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