Chinese character-based parser

Details Chinese character-based parser Chinese character-based parser

2004-04-16

2008-12-09

Hudspeth, David R. (Department: 2626)

Data processing: speech signal processing, linguistics, language

Linguistics

Natural language

Reexamination Certificate

active

07464024

ABSTRACT:
A parser is provided that parses a Chinese text stream at the character level and builds a syntactic structure of Chinese character sequences. A character-based syntactic parse tree contains word boundaries, part-of-speech tags, and phrasal structure information. Syntactic knowledge constrains the system when it determines word boundaries. A deterministic procedure is used to convert word-based parse trees into character-based trees. Character-level tags are derived from word-level part-of-speech tags and word-boundary information is encoded with a positional tag. Word-level parts-of-speech become a constituent label in character-based trees. A maximum entropy parser is then built and tested.

REFERENCES:
Xue et al (“Building a Large-Scale Annotated Chinese Corpus”, Proceedings of the 19th International Conference on Computational Linguistics, 2002).
Luo (“A Maximum Entropy Chinese Character-Based Parser”, Proceedings of the 2003 Conference on Empirical Methods in Natural Language Processing, Jul. 2003, pp. 192-199).

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