Combining learn-based and lexicon-based techniques for sentiment detection without using labeled examples

  • Authors:
  • Songbo Tan;Yuefen Wang;Xueqi Cheng

  • Affiliations:
  • Chinese Academy of Sciences, Beijing, China;Chinese Academy of Geological Sciences, Beijng, China;Chinese Academy of Sciences, Beijing, China

  • Venue:
  • Proceedings of the 31st annual international ACM SIGIR conference on Research and development in information retrieval
  • Year:
  • 2008

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Abstract

In this work, we propose a novel scheme for sentiment classification (without labeled examples) which combines the strengths of both "learn-based" and "lexicon-based" approaches as follows: we first use a lexicon-based technique to label a portion of informative examples from given task (or domain); then learn a new supervised classifier based on these labeled ones; finally apply this classifier to the task. The experimental results indicate that proposed scheme could dramatically outperform "learn-based" and "lexicon-based" techniques.