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New Technology of Library and Information Service  2010, Vol. 26 Issue (7/8): 79-83    DOI: 10.11925/infotech.1003-3513.2010.07-08.14
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Automatic Identification of Prepositional Phrase Based on Conditional Random Field
Zhu Danhao  Wang Dongbo  Xie Jing
(Department of Information Management, Nanjing University, Nanjing 210093, China)
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Based on Conditional Random Fields(CRF), the article identifies the Chinese prepositional phrase. In order to identify the prepositional phrase effectively, the article counts and analyzes the external and internal linguistic features of the prepositional phrase. The prepositional phrases without nesting and nested prepositional phrases are identified with the complex feature model,and in open tests,the best F value can reach 90.29% and 89.99% respectively.

Key wordsConditional random field      Prepositional phrase      Feature template      Automatic identification     
Received: 21 June 2010      Published: 19 September 2010


Corresponding Authors: Zhu Danhao     E-mail:
About author:: Zhu Danhao Wang Dongbo Xie Jing

Cite this article:

Zhu Danhao Wang Dongbo Xie Jing. Automatic Identification of Prepositional Phrase Based on Conditional Random Field. New Technology of Library and Information Service, 2010, 26(7/8): 79-83.

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