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A Probabilistic Feature-Based Parsing Model for Head-Final Languages
So-Young PARK Yong-Jae KWAK Joon-Ho LIM Hae-Chang RIM
IEICE TRANSACTIONS on Information and Systems
Publication Date: 2004/12/01
Print ISSN: 0916-8532
Type of Manuscript: LETTER
Category: Natural Language Processing
natural language processing, probabilistic parsing models, syntactic disambiguation,
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In this paper, we propose a probabilistic feature-based parsing model for head-final languages, which can lead to an improvement of syntactic disambiguation while reducing the parsing cost related to lexical information. For effective syntactic disambiguation, the proposed parsing model utilizes several useful features such as a syntactic label feature, a content feature, a functional feature, and a size feature. Moreover, it is designed to be suitable for representing word order variation of non-head words in head-final languages. Experimental results show that the proposed parsing model performs better than previous lexicalized parsing models, although it has much less dependence on lexical information.