SWAT-MP: the SemEval-2007 systems for task 5 and task 14

  • Authors:
  • Phil Katz;Matthew Singleton;Richard Wicentowski

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

  • Venue:
  • SemEval '07 Proceedings of the 4th International Workshop on Semantic Evaluations
  • Year:
  • 2007

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Abstract

In this paper, we describe our two SemEval-2007 entries. Our first entry, for Task 5: Multilingual Chinese-English Lexical Sample Task, is a supervised system that decides the most appropriate English translation of a Chinese target word. This system uses a combination of Naïve Bayes, nearest neighbor cosine, decision lists, and latent semantic analysis. Our second entry, for Task 14: Affective Text, is a supervised system that annotates headlines using a predefined list of emotions. This system uses synonym expansion and matches lemmatized unigrams in the test headlines against a corpus of hand-annotated headlines.