On learning subtypes of the part-whole relation: do not mix your seeds

  • Authors:
  • Ashwin Ittoo;Gosse Bouma

  • Affiliations:
  • University of Groningen, Groningen, The Netherlands;University of Groningen, Groningen, The Netherlands

  • Venue:
  • ACL '10 Proceedings of the 48th Annual Meeting of the Association for Computational Linguistics
  • Year:
  • 2010

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Abstract

An important relation in information extraction is the part-whole relation. Ontological studies mention several types of this relation. In this paper, we show that the traditional practice of initializing minimally-supervised algorithms with a single set that mixes seeds of different types fails to capture the wide variety of part-whole patterns and tuples. The results obtained with mixed seeds ultimately converge to one of the part-whole relation types. We also demonstrate that all the different types of part-whole relations can still be discovered, regardless of the type characterized by the initializing seeds. We performed our experiments with a state-of-the-art information extraction algorithm.