Robust Parsing Based on Discourse Information: Completing partial parses of ill-formed sentences on the basis of discourse information

Details Robust Parsing Based on Discourse Information: Completing partial parses of ill-formed sentences on the basis of discourse information Robust Parsing Based on Discourse Information: Completing partial parses of ill-formed sentences on the basis of discourse information

1995-05-24

arxiv.org/abs/cmp-lg/9505042v1

Computer Science

Computation and Language

To appear in Proceedings of ACL-95, 8 pages, 4 Postscript figures, uses aclap.sty and epsbox.sty

Scientific paper

In a consistent text, many words and phrases are repeatedly used in more than one sentence. When an identical phrase (a set of consecutive words) is repeated in different sentences, the constituent words of those sentences tend to be associated in identical modification patterns with identical parts of speech and identical modifiee-modifier relationships. Thus, when a syntactic parser cannot parse a sentence as a unified structure, parts of speech and modifiee-modifier relationships among morphologically identical words in complete parses of other sentences within the same text provide useful information for obtaining partial parses of the sentence. In this paper, we describe a method for completing partial parses by maintaining consistency among morphologically identical words within the same text as regards their part of speech and their modifiee-modifier relationship. The experimental results obtained by using this method with technical documents offer good prospects for improving the accuracy of sentence analysis in a broad-coverage natural language processing system such as a machine translation system.

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