Extended dependency structures and their formal interpretation

  • Authors:
  • Marc Dymetman;Max Copperman

  • Affiliations:
  • Rank Xerox Research Centre, Meylan, France;Rank Xerox Research Centre, Meylan, France

  • Venue:
  • COLING '96 Proceedings of the 16th conference on Computational linguistics - Volume 1
  • Year:
  • 1996

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Abstract

We describe two "semantically-oriented" dependency-structure formalisms, U-forms and S-forms. U-forms have been previously used in machine translation as interlingual representations, but without being provided with a formal interpretation. S-forms, which we introduce in this paper, are a scoped version of U-forms, and we define a compositional semantics mechanism for them. Two types of semantic composition are basic: complement incorporation and modifier incorporation. Binding of variables is done at the time of incorporation, permitting much flexibility in composition order and a simple account of the semantic effects of permuting several incorporations.