Evaluating automatically computed word similarity

  • Authors:
  • Caroline Varaschin Gasperin;Vera Lúcia Strube de Lima

  • Affiliations:
  • Faculdade de Informática, PPGCC, PUCRS, Porto Alegre, RS, Brasil;Faculdade de Informática, PPGCC, PUCRS, Porto Alegre, RS, Brasil

  • Venue:
  • PROPOR'03 Proceedings of the 6th international conference on Computational processing of the Portuguese language
  • Year:
  • 2003

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Abstract

This paper aims to evaluate how accurate are the lists of semantically similar words, generated automatically from corpora using a syntax-based technique. Such evaluation is done in a user-visible way: we select the query expansion task to apply our lists of words and then evaluate task performance on information retrieval, concerning precision and recall values. We present our experiments and results.