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 />
The lexicon<br />
◮ The basic lexicon defines the ontologically possible words that<br />
are grammatical:<br />
word → lexical entry1 ∨ lexical entry2 ∨ ...<br />
◮ Each lexical entry is described by an AVM.<br />
Example<br />
◮ Ja/On spal. I masc.sg /He masc.sg slept masc.sg<br />
spal v1 le<br />
⎡<br />
phon<br />
ss | loc<br />
⎢<br />
⎣<br />
〈 〉<br />
spal<br />
⎡ ⎡<br />
]<br />
head<br />
[vform fin<br />
⎡ verb cat<br />
〈<br />
⎢<br />
⎣val<br />
⎣ subj comps 〈〉<br />
⎢<br />
⎣<br />
[<br />
]<br />
cont sleeper 1<br />
sleep<br />
′<br />
NP[NOM] 1 [misc,sing]<br />
⎤<br />
⎤⎤<br />
〉 ⎤<br />
⎥<br />
⎦<br />
⎥<br />
⎦<br />
Weiwei Sun <strong>Head</strong>-<strong>driven</strong> <strong>Phrase</strong> <strong>Structure</strong> <strong>Grammar</strong> I 58/61
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