| 基于网络的中文问答系统的研究 |
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| 引用本文： | 王宇,战学刚,蔡建山.基于网络的中文问答系统的研究[J].计算机工程与应用,2006,42(7):162-165. |
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| 作者姓名： | 王宇 战学刚 蔡建山 |
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| 作者单位： | 鞍山科技大学计算机科学与工程学院,辽宁,鞍山,114044;鞍山科技大学计算机科学与工程学院,辽宁,鞍山,114044;鞍山科技大学计算机科学与工程学院,辽宁,鞍山,114044 |
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| 摘 要： | 文章设计并实现了一个基于网络的中文问答系统。该系统只利用网络搜索引擎返回结果中的摘要部分作为答案抽取的资源,从而节省了下载、分析网络源文本的时间,提出了一种针对该系统的信息抽取算法,并采用一种基于语句相似度计算的答案抽取算法并且进行了改进。实验结果表明该系统对人名及时间类型的问题效果显著。对测试问题集的MRR值达到0.47。
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| 关 键 词： | 问答系统 句子相似度 信息抽取 答案抽取 |
| 文章编号： | 1002-8331-（2006）07-0162-04 |
| 收稿时间： | 2005-06 |
| 修稿时间： | 2005-06 |
Research on Web Based Chinese Question Answering System |
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| Wang Yu,Zhan Xuegang,Cai Jianshan.Research on Web Based Chinese Question Answering System[J].Computer Engineering and Applications,2006,42(7):162-165. |
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| Authors: | Wang Yu Zhan Xuegang Cai Jianshan |
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| Abstract: | This paper presents a web based Chinese question answering system.This system utilizes the"text snippet" in the feedback of the web search engine as data resource for answer extraction.This paper presents an information extraction algorithm,and also uses an answer extraction based algorithm on the computation of sentence similarity between the question sentence and the candidate answer sentences,and uses some methods to improve the efficiency of this algorithm.The experiment result indicates that the system can get relatively good results for the questions of the types of PERSON and NUMBER,the MRR of all questions is 0.47. |
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| Keywords: | question answering system sentence similarity information extraction answer extraction |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
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