Head-driven Phrase Structure Grammar I
Head-driven Phrase Structure Grammar I
Head-driven Phrase Structure Grammar I
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Basic Idea Typed feature structure HPSG: First glance<br />
Unification: An example (3)<br />
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<br />
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<br />
<br />
q 0<br />
SUBJ<br />
P RED<br />
q 1 AGR q 2 P ERS q 3<br />
q 1<br />
′<br />
SUBJ<br />
q 6 q 0<br />
′<br />
P ERS<br />
q 4 AGR q 5 NUM <br />
P RED<br />
q 7 <br />
q ′ 3<br />
AGR<br />
<br />
q 2<br />
′<br />
AGR<br />
{q 1 , q 1 ′ }<br />
SUBJ<br />
AGR P ERS<br />
<br />
{q 0 , q 0 ′ } {q 2 , q 5 , q 2 ′ }<br />
P RED NUM<br />
<br />
{q 4 , q ′ 3 } AGR<br />
{q 3 , q ′ 6 }<br />
{q 7 }<br />
Weiwei Sun <strong>Head</strong>-<strong>driven</strong> <strong>Phrase</strong> <strong>Structure</strong> <strong>Grammar</strong> I 38/61
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