基于关键词距离的中文问答系统研究

Research on Chinese Question Answering System based on the Distance of Keywords

阐述的中文问答系统是以网络信息为支撑,结合传统问答系统的思想和网络信息资源的特点,采取切实有效的方法,来回答用户用自然语言形式提出的问题。系统的核心部分是依据关键词距离算法进行答案抽取,该算法是在总结大规模网络摘要及中文问句特点的基础上得出的,从最后实验结果看该系统效果显著,对测试问句集的MRR值达到了0.56。

This paper describes the Question Answering System based on the internet information,integrates this system with the ideas of the common Question Answering System and the characteristics of the internet information,and takes several effective actions to answer users＇ questions which are expressed in natural language.The importance of this system is that it extracts answers according to the method based on the distance of keywords,the method is derived from the basis of summarizing a lot of text snippets and some Chinese questions, the experiment result indicates that the system can get relatively good results;the MRR of all questions is 0.56.