基于Web的农业知识问答系统研究

Research on Web-based agricultural knowledge question answering system

问答系统是一种综合运用各种自然语言处理技术的新型信息检索系统,是目前自然语言处理领域的一项研究热点。本文简要介绍了问答系统的国内外研究现状,并提出了基于Web的农业知识问答系统的体系结构,主要包括四个组成部分:问句分析、信息检索、答案抽取及基于本体的农业知识库。

Question Answering System （QAS）is a new typical information retrieval system which uses all kinds of language processing technologies synthetically and become a hot research topic in natural language processing field.After introduction of the current research development,this paper presents the system architecture of Web-based Agricultural Knowledge Question Answering System which includes： Question Analysis, Information Retrieval,Answer Extraction and Ontology-based Agricultural Knowledge Base.