SWAT: Cross-lingual lexical substitution using local context matching, bilingual dictionaries and machine translation

  • Authors:
  • Richard Wicentowski;Maria Kelly;Rachel Lee

  • Affiliations:
  • Swarthmore College, Swarthmore, PA;Swarthmore College, Swarthmore, PA;Swarthmore College, Swarthmore, PA

  • Venue:
  • SemEval '10 Proceedings of the 5th International Workshop on Semantic Evaluation
  • Year:
  • 2010

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Abstract

We present two systems that select the most appropriate Spanish substitutes for a marked word in an English test sentence. These systems were official entries to the SemEval-2010 Cross-Lingual Lexical Substitution task. The first system, Swat-E, finds Spanish substitutions by first finding English substitutions in the English sentence and then translating these substitutions into Spanish using an English-Spanish dictionary. The second system, Swat-S, translates each English sentence into Spanish and then finds the Spanish substitutions in the Spanish sentence. Both systems exceeded the baseline and all other participating systems by a wide margin using one of the two official scoring metrics.