中文问答系统模型研究

Research on Chinese Question Answering System Model

问答系统是信息检索的高级形式，也是该领域的研究重点和热点。本文较全面地分析了中文问答系统所涉及的关键技术和知识资源平台，提出了一个完整的中文问答系统处理模型，对系统的运行机制和处理流程作了清晰的描述，最后详细讨论了问答系统中的两个关键算法，即形式化扩展算法和答案抽取算法。

Question Answering system is an advanced form of information retrieval, as well as a hot topic of this field. This paper systematically introduces and discusses the key techniques and support resource in Chinese Question Answering （CQA）, proposes an entire CQA process model, describes the processing mechanism and procedure of CQA, finally analyses question formulation and answer extraction algorithm in CQA.