自然语言问答系统的发展与现状

Question-Answer System of Natural Language:Past and Present

本文简要地介绍自然语言问答系统的发展与现状。首先回顾自然语言问答系统的发展历程,然后介绍自然语言问答系统的类别和结构。

This paper briefly introduces the past and present of Question-Answer system （QA system） of natural language. Firstly the historical development of QA system is reviewed, then the classification and structure of QA system is introduced.