Class Based Sense Definition Model for word sense tagging and disambiguation

  • Authors:
  • Tracy Lin;Jason S. Chang

  • Affiliations:
  • National Chiao Tung University, Hsinchu, Taiwan, ROC;National Tsing Hua University, Hsinchu, Taiwan, ROC

  • Venue:
  • SIGHAN '03 Proceedings of the second SIGHAN workshop on Chinese language processing - Volume 17
  • Year:
  • 2003

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Abstract

We present an unsupervised learning strategy for word sense disambiguation (WSD) that exploits multiple linguistic resources including a parallel corpus, a bilingual machine readable dictionary, and a thesaurus. The approach is based on Class Based Sense Definition Model (CBSDM) that generates the glosses and translations for a class of word senses. The model can be applied to resolve sense ambiguity for words in a parallel corpus. That sense tagging procedure, in effect, produces a semantic bilingual concordance, which can be used to train WSD systems for the two languages involved. Experimental results show that CBSDM trained on Longman Dictionary of Contemporary English, English-Chinese Edition (LDOCE E-C) and Longman Lexicon of Contemporary English (LLOCE) is very effectively in turning a Chinese-English parallel corpus into sense tagged data for development of WSD systems.