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Types in Functional Unification Grammars

Elhadad, Michael

Functional Unification Grammars (FUGs) are popular for natural language applications because the formalism uses very few primitives and is uniform and expressive. In our work on text generation, we have found that it also has annoying limitations: it is not suited for the expression of simple, yet very common, taxonomic relations and it does not allow the specification of completeness conditions. We have implemented an extension of traditional functional unification. This extension addresses these limitations while preserving the desirable properties of FUGs. It is based on the notions of typed features and typed constituents. We show the advantages of this extension in the context of a grammar used for text generation.

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More About This Work

Academic Units
Computer Science
Publisher
Proceedings of the 28th meeting of the ACL
Published Here
April 22, 2013
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