模式识别与人工智能
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  2009, Vol. 22 Issue (4): 527-531    DOI:
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Structure and Performance Analysis of Open Domain QA System
DU Yong-Ping1, HUANG Xuan-Jing2
1.College of Computer Sciences, Beijing University of Technology, Beijing 100124
2.Department of Computer Science and Engineering, Fudan University, Shanghai 200433

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