Head-driven Phrase Structure Grammar I

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Basic Idea Typed feature structure HPSG: First glance Attribute-Value Matrix (AVM) Attribute-value matrix (AVM) notation is a description language to describe sets of feature structures, with the following three building blocks: ◮ Type descriptions selects all objects of a particular type. ◮ Attribute-value pairs describe objects that have a particular property. ◮ The attribute must be appropriate for the particular type, and the value can be any kind of description ◮ Tags to specify token identity Weiwei Sun Head-driven Phrase Structure Grammar I 23/61
Basic Idea Typed feature structure HPSG: First glance AVM: An example Type, attribute-value pairs and tags. Example ⎡ 〈〉 ⎤ phon she ⎡ ⎡ ⎡ [ ] ⎤ ⎤ head case nom noun ⎡ ⎤ cat subj 〈〉 ⎢ ⎢ ⎥ valence ⎣ ⎣comps 〈〉 ⎦ ⎥ ⎦ spr 〈〉 cat val ⎡ ⎡ ⎤⎤ ss per 3rd loc ⎢ ⎥ index 1 ⎣num sing⎦ cont ⎢ gend fem ⎥ ⎣ ref ⎦ restr {} ppro ⎡ ⎧ [ ]⎫ ⎤ ⎨ ⎢ ⎢ ⎢ reln female ⎬ ⎢ ⎣ ⎣conx ⎣bkgr ⎩ inst 1 ⎭ ⎦ ⎦⎥ ⎣ psoa ⎦ synsem local context word Weiwei Sun Head-driven Phrase Structure Grammar I 24/61
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Head-driven Phrase Structure Grammar I

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