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Received:September 23, 2010 Revised:November 08, 2010
Received:September 23, 2010 Revised:November 08, 2010
中文摘要: 问答系统应该能够用准确、简洁的语言回答用户提出的问题。问题理解是问答系统的首要的分析工作，分析的结果的正确率直接影响后续处理。提出了一种基于用户问题的主题和焦点的问题理解的方法，该方法以问题的疑问词、句法分析、问题焦点、问题主题在知网中的首义原作为问题分类特征。实验结果证明，该方法对提高分类的准确率有较好的效果。
Abstract:Question answering system can answer the users' questionsin the application of the precise and concise
language. Question interpretation is the primary work of question answering. The precision of Question analysis has a
great effect on the following processing work. In this paper, we present a new method of question interpretation based on
the users' question theme and focus. This method by which the interrogative words, syntax analysis, question focus
words and the first semenes of the question topic in HowNet have used as classification feature. Experiment result
indicate that this method can bring about a better effect on improving the accuracy of the classification.
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基金项目:安徽省教育厅自然科学基金(KJ2010B223)
引用文本：
陈永平,杨思春,毛万胜,苏新,刘俞.中文问答系统中基于主题和焦点的问题理解.计算机系统应用,2011,20(6):56-60
CHEN Yong-Ping,YANG Si-Chun,MAO Wan-Sheng,SU Xin,LIU Yu.Question Interpretation Baesd on Theme and Focus in Chinese Question Answering System.COMPUTER SYSTEMS APPLICATIONS,2011,20(6):56-60
陈永平,杨思春,毛万胜,苏新,刘俞.中文问答系统中基于主题和焦点的问题理解.计算机系统应用,2011,20(6):56-60
CHEN Yong-Ping,YANG Si-Chun,MAO Wan-Sheng,SU Xin,LIU Yu.Question Interpretation Baesd on Theme and Focus in Chinese Question Answering System.COMPUTER SYSTEMS APPLICATIONS,2011,20(6):56-60
