LFG semantics via constraints

Abstract
Semantic theories of natural language associate meanings with utterances by providing meanings for lexical items and rules for determining the meaning of larger units given the meanings of their parts. Traditionally, meanings are combined via function composition, which works well when constituent structure trees are used to guide semantic composition. More recently, the as a 'glue' for assembling meanings also allows for a coherent treatment of modification as well as of the LFG requirements of completeness and coherence.

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