Automatic thesaurus construction

  • Authors:
  • Dongqiang Yang;David M. Powers

  • Affiliations:
  • Flinders University of South Australia, South Australia;Flinders University of South Australia, South Australia

  • Venue:
  • ACSC '08 Proceedings of the thirty-first Australasian conference on Computer science - Volume 74
  • Year:
  • 2008

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Abstract

In this paper we introduce a novel method of automating thesauri using syntactically constrained distributional similarity. With respect to syntactically conditioned cooccurrences, most popular approaches to automatic thesaurus construction simply ignore the salience of grammatical relations and effectively merge them into one united 'context'. We distinguish semantic differences of each syntactic dependency and propose to generate thesauri through word overlapping across major types of grammatical relations. The encouraging results show that our proposal can build automatic thesauri with significantly higher precision than the traditional methods.