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Generalised Phrase Structure Grammar

Aliases: GPSG

Keywords: LFG, Lexical Functional Grammar, Transformational Grammar

Categories: Natural Language

Author(s): Alan W. Black

The GPSG was a move away from the more traditional computational syntactic framework of Transformational Grammar. The main theoretical point of this formalism is that it is equivalent to Context-free Grammars. The formalism differs from conventional phrase structure grammars in that it:

Following GPSG a number of other similar syntactic theories were born under the global title of Unification Grammars, e.g., Lexical Functional Grammar (LFG), Head-Driven Phrase Structure Grammar (HPSG) and Categorial Unification Grammar (CUG).



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