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Ranking Method of Object-Attribute-Evaluation Three-Tuples for Opinion Retrieval

  • Masaaki Tsuchida
  • Hironori Mizuguchi
  • Dai Kusui
Part of the Lecture Notes in Computer Science book series (LNCS, volume 5447)

Abstract

In this paper, we propose a ranking method for opinion retrieval that uses a confidence model of opinion as a three-tuple of object-attribute-evaluation. The confidence model has two characteristics for calculating confidence scores. One, the model divides a three-tuple of an opinion into two pairs: object-attribute and attribute-evaluation. Two, the confidence model evaluates an opinion simultaneously using syntactic and semantic analyses. Our experiments show that our method improves the precision of the top fifty opinions in search results by ranking based on our confidence compared with random ranking.

Keywords

opinion retrieval opinion confidence ranking 

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Copyright information

© Springer-Verlag Berlin Heidelberg 2009

Authors and Affiliations

  • Masaaki Tsuchida
    • 1
  • Hironori Mizuguchi
    • 1
  • Dai Kusui
    • 1
  1. 1.Common Platform Software Research LaboratoriesNEC Corporation.IkomaJapan

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