Head-driven Phrase Structure Grammar I
Head-driven Phrase Structure Grammar I Head-driven Phrase Structure Grammar I
Basic Idea Typed feature structure HPSG: First glance Handling valence with a feature VP→V NP ∗ ⎡ ⎤ ] word ⎢ ⎥ → ⎣pos 1 ⎦ pos 1 val itr b. [ ⎡ ⎤ ] word phrase [ ⎢ ⎥ → ⎣pos 1 ⎦ pos pos 1 val tv c. [ ⎡ ⎤ ] word phrase [ ⎢ ⎥ → ⎣pos 1 ⎦ pos pos 1 val dtv (1) a. [ phrase ] noun ][ noun pos ] noun Weiwei Sun Head-driven Phrase Structure Grammar I 9/61
Basic Idea Typed feature structure HPSG: First glance Handling agreement with a feature S→NP VP (2) S → [ pos ] noun num 1 phrase [ pos ] verb num 1 phrase With valence ⎡ ⎤ ◮ [ ] pos noun pos noun ⎢ ⎥ → ⎣num 1 ⎦ num 1 phrase val itr word ⎡ ⎤ ◮ [ ] pos noun pos noun ⎢ ⎥ → ⎣num 1 ⎦NP num 1 phrase val tr phrase ⎡ ⎤ ◮ [ ] pos noun pos noun ⎢ ⎥ → ⎣num 1 ⎦NP NP num 1 phrase val tr phrase Weiwei Sun Head-driven Phrase Structure Grammar I 10/61
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Basic Idea Typed feature structure HPSG: First glance<br />
Handling valence with a feature<br />
VP→V NP ∗<br />
⎡ ⎤<br />
] word<br />
⎢ ⎥<br />
→ ⎣pos 1 ⎦<br />
pos 1<br />
val itr<br />
b. [ ⎡ ⎤<br />
] word<br />
phrase<br />
[<br />
⎢ ⎥<br />
→ ⎣pos 1 ⎦ pos<br />
pos 1<br />
val tv<br />
c. [ ⎡ ⎤<br />
] word<br />
phrase<br />
[<br />
⎢ ⎥<br />
→ ⎣pos 1 ⎦ pos<br />
pos 1<br />
val dtv<br />
(1) a. [ phrase<br />
]<br />
noun<br />
][<br />
noun pos<br />
]<br />
noun<br />
Weiwei Sun <strong>Head</strong>-<strong>driven</strong> <strong>Phrase</strong> <strong>Structure</strong> <strong>Grammar</strong> I 9/61