A Noun-Predicate Bigram-Based Similarity Measure for Lexical Relations

  • Authors:
  • Hyopil Shin;Insik Cho

  • Affiliations:
  • Computational Linguistics Lab., Dept. of Linguistics, Seoul National University, Seoul, Korea;Computational Linguistics Lab., Dept. of Linguistics, Seoul National University, Seoul, Korea

  • Venue:
  • GoTAL '08 Proceedings of the 6th international conference on Advances in Natural Language Processing
  • Year:
  • 2008

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Abstract

The method outlined in this paper demonstrates that the information-theoretic similarity measure and noun-predicate bigrams are effective methods for creating lists of semantically-related words for lexical database work. Our experiments revealed that instead of serious syntactic analysis, bigrams and morpho-syntactic information sufficed for the feature-based similarity measure. We contend that our method would be even more appreciated if it applied to a raw newswire corpus in which unlisted words in existing dictionaries, such as recently-created words, proper nouns, and syllabic abbreviations, are prevailing.