Automatic Extraction of Subcategorization from Corpora

Details Automatic Extraction of Subcategorization from Corpora Automatic Extraction of Subcategorization from Corpora

1997-02-04

arxiv.org/abs/cmp-lg/9702002v1

Computer Science

Computation and Language

8 pages; requires aclap.sty. To appear in ANLP-97

Scientific paper

We describe a novel technique and implemented system for constructing a subcategorization dictionary from textual corpora. Each dictionary entry encodes the relative frequency of occurrence of a comprehensive set of subcategorization classes for English. An initial experiment, on a sample of 14 verbs which exhibit multiple complementation patterns, demonstrates that the technique achieves accuracy comparable to previous approaches, which are all limited to a highly restricted set of subcategorization classes. We also demonstrate that a subcategorization dictionary built with the system improves the accuracy of a parser by an appreciable amount.

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