SO-CAL Based Method for Chinese Sentiment Analysis

Conference paper
Part of the Lecture Notes in Electrical Engineering book series (LNEE, volume 207)

Abstract

To study the problem that the polarity and strength of the sentiment words not in lexicon cannot be calculated and classified effectively by lexicon-based classifiers, the EM-SO algorithm was proposed based on expectation maximization (EM) model for constructing and updating sentiment lexicon. Negative and intensifying components were designed upon semantic orientation calculator (SO-CAL) for capturing the combined effects of appraisal words and their modifiers. Experiments showed that the EM-SO algorithm and designed components outperform SO-CAL for the calculation performance of the polarity and strength of sentiment words on review sets.

Keywords

Semantic orientation Sentiment analysis Negation Intensification 

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Copyright information

© Springer-Verlag London 2013

Authors and Affiliations

  • Yuqing Miao
    • 1
  • Jie Su
    • 1
  • Shaobing Liu
    • 1
  • Kongling Wu
    • 1
  1. 1.Computer Science and Engineering CollegeGuilin University of Electronic TechnologyGuilinChina

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