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 More on feature values Atomic value An unstructured value, one with only one part [ tense ] past person 2 Complex value A structured value, itself a feature structure ⎡ tense ⎢ ⎣agreement ⎤ past [ ] person 2 ⎥ ⎦ number singular Weiwei Sun Head-driven Phrase Structure Grammar I 7/61
Basic Idea Typed feature structure HPSG: First glance Handling valence with a feature IV, TV and DTV IV: TV: DTV: [ ] pos verb [ ] pos verb [ ] pos verb word val itr word val tr word val dtr V ] V= [pos verb word N, NP N: NP: [ pos word ] noun [ pos phrase ] noun Weiwei Sun Head-driven Phrase Structure Grammar I 8/61
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Basic Idea Typed feature structure HPSG: First glance<br />
Handling valence with a feature<br />
IV, TV and DTV<br />
IV: TV: DTV:<br />
[ ]<br />
pos verb<br />
[ ]<br />
pos verb<br />
[ ]<br />
pos verb<br />
word<br />
val<br />
itr<br />
word<br />
val<br />
tr<br />
word<br />
val<br />
dtr<br />
V<br />
]<br />
V=<br />
[pos verb<br />
word<br />
N, NP<br />
N: NP:<br />
[<br />
pos<br />
word<br />
]<br />
noun<br />
[<br />
pos<br />
phrase<br />
]<br />
noun<br />
Weiwei Sun <strong>Head</strong>-<strong>driven</strong> <strong>Phrase</strong> <strong>Structure</strong> <strong>Grammar</strong> I 8/61
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