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lexical-functional theory [1 record]

Record 1 2024-05-09

English

Subject field(s)
  • Language (General)
  • Artificial Intelligence
CONT

In opposition to Chomsky, who (as I noted) pays little attention to how his derivations might be realized by an individual speaker operating under "real-world" constraints, Bresnan and her colleagues have fashioned a perspective designed to illuminate how an individual will perceive or produce language. In her lexical-functional theory, there is no transformational component. The information traditionally embedded in the syntactic components is now placed in the individual's lexicon - one's knowledge of specific words. Lexical-functional grammar provides each sentence with two structures: a constituent structure, which is similar to a surface structure (or phrase-marker tree) in the standard theory of Chomsky; and a functional structure, which includes all the grammatical relations relevant to the semantic interpretation of the sentence. The functional structure is generated by annotated phrase-structure rules working in conjunction with lexical entries for the various morphemes in a sentence.

French

Domaine(s)
  • Linguistique (Généralités)
  • Intelligence artificielle
DEF

Grammaire qui introduit dans un modèle authentiquement linguistique des procédés de gestion dynamique des structures issues de l'informatique. (Technique et Science Informatiques 5, 2, 1986, 111).

OBS

Grammaire lexicale-fonctionnelle, appelée parfois grammaire d'unification.

Spanish

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