Improving semi-supervised acquisition of relation extraction patterns

  • Authors:
  • Mark A. Greenwood;Mark Stevenson

  • Affiliations:
  • University of Sheffield, Sheffield, UK;University of Sheffield, Sheffield, UK

  • Venue:
  • IEBeyondDoc '06 Proceedings of the Workshop on Information Extraction Beyond The Document
  • Year:
  • 2006

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Abstract

This paper presents a novel approach to the semi-supervised learning of Information Extraction patterns. The method makes use of more complex patterns than previous approaches and determines their similarity using a measure inspired by recent work using kernel methods (Culotta and Sorensen, 2004). Experiments show that the proposed similarity measure outperforms a previously reported measure based on cosine similarity when used to perform binary relation extraction.