Thesaurus based automatic keyphrase indexing

  • Authors:
  • Olena Medelyan;Ian H. Witten

  • Affiliations:
  • University of Waikato, Hamilton, New Zealand;University of Waikato, Hamilton, New Zealand

  • Venue:
  • Proceedings of the 6th ACM/IEEE-CS joint conference on Digital libraries
  • Year:
  • 2006

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Abstract

We propose a new method that enhances automatic keyphrase extraction by using semantic information on terms and phrases gleaned from a domain-specific thesaurus. We evaluate the results against keyphrase sets assigned by a state-of-the-art keyphrase extraction system and those assigned by six professional indexers.