Word sense disambiguation using heterogeneous language resources

  • Authors:
  • Kiyoaki Shirai;Takayuki Tamagaki

  • Affiliations:
  • Japan Advanced Institute of Science and Technology, Ishikawa, Japan;Japan Advanced Institute of Science and Technology, Ishikawa, Japan

  • Venue:
  • IJCNLP'04 Proceedings of the First international joint conference on Natural Language Processing
  • Year:
  • 2004

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Abstract

This paper proposes a robust method for word sense disambiguation (WSD) of Japanese. Four classifiers were combined in order to improve recall and applicability: one used example sentences in a machine readable dictionary (MRD), one used grammatical information in an MRD, and two classifiers were obtained by supervised learning from a sense-tagged corpus. In other words, we combined several classifiers using heterogeneous language resources, an MRD and a word sense tagged corpus. According to our experimental results, the proposed method outperformed the best single classifier for recall and applicability.