Supersense tagging of unknown nouns in WordNet

  • Authors:
  • Massimiliano Ciaramita;Mark Johnson

  • Affiliations:
  • Brown University;Brown University

  • Venue:
  • EMNLP '03 Proceedings of the 2003 conference on Empirical methods in natural language processing
  • Year:
  • 2003

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Abstract

We present a new framework for classifying common nouns that extends named-entity classification. We used a fixed set of 26 semantic labels, which we called supersenses. These are the labels used by lexicographers developing WordNet. This framework has a number of practical advantages. We show how information contained in the dictionary can be used as additional training data that improves accuracy in learning new nouns. We also define a more realistic evaluation procedure than cross-validation.