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A construction and self-learning method for intelligent domain sentiment lexicon

Author

Listed:
  • Shaochun Wu
  • Qifeng Xiao
  • Ming Gao
  • Guobing Zou

Abstract

A new method of building intelligent sentiment lexicon based on LDA and word clustering is put forward in this paper. In order to make seed words more representative and universal, this method uses LDA topic model to build the term vectors and select seed words. The improved SO-PMI algorithm has been used to calculate the emotional tendency of each sentiment word. In addition, the domain sentiment lexicon's automatic extension and update method is designed to deal with dynamic corpus data. Experiments show that the proposed method can build the sentiment lexicon with higher accuracy, and can reflect the change of words' emotional tendency in real time. It is proved in this paper that this method is more suitable for processing a large number of dynamic Chinese texts.

Suggested Citation

  • Shaochun Wu & Qifeng Xiao & Ming Gao & Guobing Zou, 2020. "A construction and self-learning method for intelligent domain sentiment lexicon," International Journal of Information Technology and Management, Inderscience Enterprises Ltd, vol. 19(4), pages 318-333.
    • Handle: RePEc:ids:ijitma:v:19:y:2020:i:4:p:318-333
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