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 agreement with a feature<br />
S→NP VP<br />
(2) S →<br />
[<br />
pos<br />
]<br />
noun<br />
num 1<br />
phrase<br />
[<br />
pos<br />
]<br />
verb<br />
num 1<br />
phrase<br />
With valence<br />
⎡<br />
⎤<br />
◮ [ ] pos noun<br />
pos noun ⎢<br />
⎥<br />
→ ⎣num 1 ⎦<br />
num 1<br />
phrase<br />
val itr<br />
word<br />
⎡<br />
⎤<br />
◮ [ ] pos noun<br />
pos noun ⎢<br />
⎥<br />
→ ⎣num 1 ⎦NP<br />
num 1<br />
phrase<br />
val tr<br />
phrase<br />
⎡<br />
⎤<br />
◮ [ ] pos noun<br />
pos noun ⎢<br />
⎥<br />
→ ⎣num 1 ⎦NP NP<br />
num 1<br />
phrase<br />
val tr<br />
phrase<br />
Weiwei Sun <strong>Head</strong>-<strong>driven</strong> <strong>Phrase</strong> <strong>Structure</strong> <strong>Grammar</strong> I 10/61
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