桑乐园,黄德根. 基于简单名词短语的汉语介词短语识别研究[J]. 中文信息学报, 2015, 29(6): 8-12.
SANG Leyuan, HUANG Degen. The Chinese Preposition Phrase Recognition Based on Simple Noun Phrase. , 2015, 29(6): 8-12.
基于简单名词短语的汉语介词短语识别研究
桑乐园,黄德根
大连理工大学 电信学部计算机学院,辽宁 大连 116024
The Chinese Preposition Phrase Recognition Based on Simple Noun Phrase
SANG Leyuan, HUANG Degen
School of Computer Science and Technology, Dalian University of Technology, Dalian, Liaoning 116024, China)
Abstract：This paper proposes a new approach integrating simple noun phrase information into preposition phrase recognition. We recognize simple noun phrases through basic CRF model, and filter the phrases with conversion rules in order to adapt to the inner phrase patterns in the preposition phrases. Then we utilize the simple noun phrases to merge fragmental participles into a complete phrase in our corpus. Finally, we recognize the preposition phrases through multilayer CRFs, and use rules to correct the result. The optimized model performs 1.03 point higher than the current best model yielding 93.02% precision , 92.95% recall, and 92.99%, F-measure. Key words simple noun phrase recognition;CRF;participle fusion
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