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Publication Details

Grammars and Logics Of Partial Information

by Pereira, Fernando C. N.

Technical Note 420
Institution: AI Center, SRI International
Address: 333 Ravenswood Ave., Menlo Park, CA 94025
Apr 1987.

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Abstract

This paper is an informal survey of models of grammatical categories in unification-based formalisms from computational linguistics and their relationship to current logic programming concepts. The basic notion of partiality in the informational content of grammatical categories is introduced, and specific automata-theoretic, denotational and logical models of partial information are outlined. The expression of disjunction, negation, inheritance and indeterminate constraints in categories is also discussed.

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