【摘要】 本文描述一个网络信息服务系统原型Commputer NIS ,讨论了系统的设计目标 ,系统的体系结构 ,包括数据模型、Web信息检索、基于Z39 50的书目检索以及Z39 50 Web网关。Com puter NIS可以用于情报收集与分析、网上教学等多种应用 ,有效地提高了信息获取的质量和效率。更多还原

【Abstract】 With the flood of information,providing information service on Internet for users has become an improtant research issue.In this paper,an information system Computer NIS is described.We discuss the goals and architecture of Computer NIS including data model,information retrieval on the Web,bibliographic retrieval based on Z39 50,Z39 50 Web gateway.It has been shown that Computer NIS can be successfully applied to information gathering and analysis,distance teaching and so on.更多还原