Comparing resources for spanish lexical simplification

  • Authors:
  • Horacio Saggion;Stefan Bott;Luz Rello

  • Affiliations:
  • Department of Information and Communication Technologies, University Pompeu Fabra, Barcelona, Spain;Department of Information and Communication Technologies, University Pompeu Fabra, Barcelona, Spain;Department of Information and Communication Technologies, University Pompeu Fabra, Barcelona, Spain

  • Venue:
  • SLSP'13 Proceedings of the First international conference on Statistical Language and Speech Processing
  • Year:
  • 2013

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Abstract

In this paper we study the effect of different lexical resources and strategies for selecting synonyms in a lexical simplification system for the Spanish language. The resources used for the experiments are the Spanish EuroWordNet, the Spanish Open Thesaurus and a combination of both. As for the synonym selection strategies, we have used both local and global contexts for word sense disambiguation. We present a novel evaluation framework in lexical simplification that takes into account the level of ambiguity of the word to be simplified. The evaluation compares various instances of the lexical simplification system, a gold standard, and a baseline. On the basis of our results we recommend different resources and word sense disambiguation methods depending on the ambiguity level of the target word to be simplified.