TDL: a type description language for constraint-based grammars

  • Authors:
  • Hans-Ulrich Krieger;Ulrich Schäfer

  • Affiliations:
  • German Research Center for Artificial Intelligence (DFKI), Saarbrücken, Germany;German Research Center for Artificial Intelligence (DFKI), Saarbrücken, Germany

  • Venue:
  • COLING '94 Proceedings of the 15th conference on Computational linguistics - Volume 2
  • Year:
  • 1994

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Abstract

This paper presents TDL, a typed feature-based representation language and inference system. Type definitions in TDL consist of type and feature constraints over the boolean counectives. TDL supports open-and closed-world reasoning over types and allows for partitions and incompatible types. Working with partially as well as with fully expanded types is possible. Efficient reasoning in TDL is accomplished through specialized modules.