Honglin Sun
ABSTRACT
The length of a constituent (number of syllables in a word or number of words in a phrase), or rhythm, plays an important role in Chinese syntax. This paper systematically surveys the distribution of rhythm in constructions in Chinese from the statistical data acquired from a shallow tree bank. Based on our survey, we then used the rhythm feature in a practical shallow parsing task by using rhythm as a statistical feature to augment a PCFG model. Our results show that using the probabilistic rhythm feature significantly improves the performance of our shallow parser.
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