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Corpus-oriented Grammar Development for Acquiring a Head-driven Phrase Structure Grammar from the Penn Treebank
by:In: Proceedings of IJCNLP-04 8 pages:
(2004)
.
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Abstract
This paper describes a method of semi-automatically acquiring an English HPSG grammar from the Penn Treebank. First, heuristic rules are employed to annotate the treebank with partially-specified derivation trees. Lexical entries are automatically extracted from the annotated corpus by inversely applying schemata to partially-specified derivation trees.


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