Deriving a multi-domain information extraction system from a rough ontology

  • Authors:
  • Thierry Poibeau

  • Affiliations:
  • Thales Research and Technology, Orsay and Laboratoire d'Informatique de Paris-Nord, Villetaneuse, France

  • Venue:
  • IJCAI'01 Proceedings of the 17th international joint conference on Artificial intelligence - Volume 2
  • Year:
  • 2001

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Abstract

This paper presents a multi-domain information extraction system. In order to decrease the time spent on the elaboration of resources for the IE system and guide the end-user in a new domain, we suggest to use a machine learning system that helps defining new templates and associated resources. This knowledge is automatically derived from the text collection, in interaction with the end-user to rapidly develop a local ontology giving an accurate image of the content of the text. The system is finally evaluated using classical indicators.