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	HPSG	ミニマリスト・プログラム
分野	言語学	言語学
系統	Process / pipeline	Process / pipeline
提唱年	1987	1995
提唱者	Carl Pollard and Ivan Sag	Noam Chomsky
種類	Empirical process pipeline	Empirical process pipeline
原典	Pollard, C., & Sag, I. A. (1994). Head-Driven Phrase Structure Grammar. Chicago: University of Chicago Press.	Chomsky, N. (1995). The Minimalist Program. Cambridge, MA: MIT Press.
別名	HPSG Grammar, Constraint-Based Syntax	Minimalism, MP Grammar
関連	2	1
概要	Head-Driven Phrase Structure Grammar (HPSG) is a constraint-based grammatical framework developed by Carl Pollard and Ivan Sag in 1987. HPSG represents linguistic information (phonological, syntactic, semantic) in typed feature structures and derives well-formed expressions through constraints on these structures. Unlike movement-based theories, HPSG models word order and long-distance dependencies through feature sharing and principles of grammar. It has been extensively applied to modeling diverse language phenomena and remains influential in computational linguistics.	The Minimalist Program (MP) is a framework for generative syntax developed by Noam Chomsky in 1995, designed to explain linguistic structure while assuming the fewest possible theoretical mechanisms. The program seeks principles that are simple, elegant, and motivated by language evolution. It addresses core questions: What principles explain language structure? Why do languages vary? Why do humans have language? The MP has become the dominant paradigm in theoretical syntax, though it remains controversial and subject to ongoing refinement.