A Corpus-Based Approach for Building Semantic Lexicons

E. Riloff,J. Shepherd

Published 1997 in Conference on Empirical Methods in Natural Language Processing

ABSTRACT

Semantic knowledge can be a great asset to natural language processing systems, but it is usually hand-coded for each application. Although some semantic information is available in general-purpose knowledge bases such as WordNet and Cyc, many applications require domain-specific lexicons that represent words and categories for a particular topic. In this paper, we present a corpus-based method that can be used to build semantic lexicons for specific categories. The input to the system is a small set of seed words for a category and a representative text corpus. The output is a ranked list of words that are associated with the category. A user then reviews the top-ranked words and decides which ones should be entered in the semantic lexicon. In experiments with five categories, users typically found about 60 words per category in 10-15 minutes to build a core semantic lexicon.

PUBLICATION RECORD

  • Publication year

    1997

  • Venue

    Conference on Empirical Methods in Natural Language Processing

  • Publication date

    1997-06-10

  • Fields of study

    Computer Science

  • Identifiers
  • External record

    Open on Semantic Scholar

  • Source metadata

    Semantic Scholar

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