Parsing with Constructions

Wlodek Zadrozny

We address two themes of the workshop: (A) We argue against the standard design morphology-syntax- semantics-pragmatics. (R) We argue for a close relationship between the knowledge representation language (used for reasoning) and the language for natural language processing. Regarding the first issue, we present a new model of natural language based on the concept of construction, consisting of a set of features of form, a set of semantic and pragmatic conditions describing its application context, and a description of its meaning. A parser based on this model allowed us to build a prototype of a natural language system: a front end to an on-line calendar application. With respect to the second issue, we show the advantages of embedding ontology into the grammar. Namely, our hierarchy of np constructions is based on the corresponding ontology. We also show how (A) and (R) related.

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