Constraining separated morphotactic dependencies in finite-state grammars

  • Authors:
  • Kenneth R. Beesley

  • Affiliations:
  • Xerox Research Centre Europe, Meylan, France

  • Venue:
  • FSMNLP '09 Proceedings of the International Workshop on Finite State Methods in Natural Language Processing
  • Year:
  • 1998

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Abstract

[Morphology, Morphotactics, Finite State, Separated Dependencies] This paper examines dependencies between separated (non-adjacent) morphemes in natural-language words and a variety of ways to constrain them in finite-state morphology. Methods include running separate constraining transducers at runtime, composing in constraints at compile time, feature unification, and the use of Flag Diacritics. Examples are provided from Modern Standard Arabic. In choosing a practical solution, developers must weigh the size, performance and flexibility of the overall system.