Lexicalized Tree-Adjoining Grammars (LTAG) - ad-teaching.infor...
Lexicalized Tree-Adjoining Grammars (LTAG) - ad-teaching.infor...
Lexicalized Tree-Adjoining Grammars (LTAG) - ad-teaching.infor...
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<strong>Tree</strong>-<strong>Adjoining</strong> <strong>Grammars</strong><br />
Example (Derivation with a TAG)<br />
Initial trees:<br />
S<br />
NP NP D<br />
NP↓ VP D↓ N D↓ N the<br />
V<br />
chases<br />
NP↓ penguin elephant<br />
Auxiliary tree:<br />
VP<br />
often VP ∗<br />
A derived tree:<br />
S<br />
NP<br />
VP<br />
D N often VP<br />
the penguin V NP<br />
chases D<br />
the<br />
N<br />
elephant<br />
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