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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 />

More on feature values<br />

Atomic value<br />

An unstructured value, one with only one part<br />

[<br />

tense<br />

]<br />

past<br />

person 2<br />

Complex value<br />

A structured value, itself a feature structure<br />

⎡<br />

tense<br />

⎢<br />

⎣agreement<br />

⎤<br />

past<br />

[ ]<br />

person 2 ⎥<br />

⎦<br />

number singular<br />

Weiwei Sun <strong>Head</strong>-<strong>driven</strong> <strong>Phrase</strong> <strong>Structure</strong> <strong>Grammar</strong> I 7/61

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