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 />
Feature structures in HPSG<br />
Example<br />
⎡ 〈 〉<br />
⎤<br />
phon she<br />
⎡<br />
⎡ ⎡<br />
[<br />
] ⎤ ⎤⎤<br />
head<br />
case nom<br />
noun<br />
⎡ ⎤<br />
cat<br />
subj 〈〉<br />
⎢<br />
⎢ ⎥<br />
⎣valence<br />
⎣comps 〈〉 ⎦<br />
⎥<br />
⎦<br />
spr 〈〉<br />
cat<br />
val<br />
⎡<br />
⎡<br />
⎤<br />
ss<br />
per 3rd<br />
loc<br />
⎢<br />
index 1 ⎣num<br />
sing⎦<br />
cont<br />
⎢<br />
gend fem ⎥<br />
⎣<br />
ref<br />
⎦<br />
restr {}<br />
ppro<br />
⎡<br />
⎧ [<br />
]⎫ ⎤<br />
⎨<br />
⎢ ⎢ ⎢<br />
reln female ⎬ ⎢ ⎣ ⎣conx<br />
⎥<br />
⎣bkgr<br />
⎣<br />
⎩ inst 1<br />
⎦<br />
⎭ ⎦⎥<br />
psoa ⎦<br />
synsem local context<br />
word<br />
Weiwei Sun <strong>Head</strong>-<strong>driven</strong> <strong>Phrase</strong> <strong>Structure</strong> <strong>Grammar</strong> I 56/61
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