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Electronics and Telecommunications Research Institute (한국전자통신연구원)
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FEROM: Feature Extraction and Refinement for Opinion Mining

  • Jeong, Ha-Na (Department of IT Research, IBK Systems Corp., Daum Communications Corp.) ;
  • Shin, Dong-Wook (Department of Computer Science and Engineering, Hanyang University) ;
  • Choi, Joong-Min (Department of Computer Science and Engineering, Hanyang University)
  • Received : 2010.10.23
  • Accepted : 2011.04.07
  • Published : 2011.10.31
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Abstract

Opinion mining involves the analysis of customer opinions using product reviews and provides meaningful information including the polarity of the opinions. In opinion mining, feature extraction is important since the customers do not normally express their product opinions holistically but separately according to its individual features. However, previous research on feature-based opinion mining has not had good results due to drawbacks, such as selecting a feature considering only syntactical grammar information or treating features with similar meanings as different. To solve these problems, this paper proposes an enhanced feature extraction and refinement method called FEROM that effectively extracts correct features from review data by exploiting both grammatical properties and semantic characteristics of feature words and refines the features by recognizing and merging similar ones. A series of experiments performed on actual online review data demonstrated that FEROM is highly effective at extracting and refining features for analyzing customer review data and eventually contributes to accurate and functional opinion mining.

Keywords

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