In this paper we first propose a new statistical parsing model, which is a generative model of lexicalised context-free grammar. We then extend the model to include a probabilistic treatment of both subcategorisation and wh-movement. Results on Wall Street Journal text show that the parser performs at 88.1/87.5% constituent precision/recall, an average improvement of 2.3% over (Collins 96).
Three Generative, Lexicalised Models for Statistical Parsing
Published 1997 in Annual Meeting of the Association for Computational Linguistics
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- Publication year
1997
- Venue
Annual Meeting of the Association for Computational Linguistics
- Publication date
1997-06-17
- Fields of study
Linguistics, Computer Science
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