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Publikation

Constraints over Lambda-Structures in Semantic Underspecification

Feiyu Xu; Markus Egg; Joachim Niehren; Peter Ruhrberg
In: 17th International Conference on Computational Linguistics and 36th Annual Meeting of the Association for Computational Linguistics (COLING-ACL'98), August 10-14. International Conference on Computational Linguistics (COLING), Pages 353-359, Vol. 1, Morgan Kaufmann Publishers, 1998.

Zusammenfassung

We introduce a first-order language for semantic underspecification that we call Constraint Language for Lambda-Structures (CLLS). A lambda-structure can be considered as a lambda-term up to consistent renaming of bound variables (alpha-equality); a constraint of CLLS is an underspecified description of a $lambda$-structure. CLLS solves a capturing problem omnipresent in underspecified scope representations. CLLS features constraints for dominance, lambda binding, parallelism, and anaphoric links. Based on CLLS we present a simple, integrated, and underspecified treatment of scope, parallelism, and anaphora.

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