Head-driven Phrase Structure Grammar I
Head-driven Phrase Structure Grammar I
Head-driven Phrase Structure Grammar I
Create successful ePaper yourself
Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.
Basic Idea Typed feature structure HPSG: First glance<br />
HPSG: Assumptions<br />
Two assumptions<br />
1. Languages are systems of sorts of linguistic objects at<br />
avariety of levels of abstraction.<br />
◮ <strong>Grammar</strong>s assign structural descriptions and semantic<br />
interpretations to linguistic objects.<br />
2. <strong>Grammar</strong>s are best represented as process-neutral systems<br />
of declarative constraints.<br />
◮ TG defines contraints in terms of operations on objects<br />
(movements).<br />
◮ TAG defines contraints in terms of adjunctions.<br />
Weiwei Sun <strong>Head</strong>-<strong>driven</strong> <strong>Phrase</strong> <strong>Structure</strong> <strong>Grammar</strong> I 11/61