摘要
研究采用元数据库统一管理元数据的方法。通过辨识政务信息资源元数据库的数据需求和功能需求,确立了所选数据库的类型,总结了元数据库的存储策略和索引策略,阐述了元数据对象从关系数据到文件系统的映射关系。最后给出了一个具体的实例,对元数据库如何发展进行了展望。
The methods of managing metadata with metadata repository have been explored. After identifying the data requirement of the metadata repository for eGovemment information resources and its functional requirements,the type of database selected have been set up. Further more, the memorial strategy and index strategy of metadata repository has been summarized. The relationship for mapping the relational database and document system has been addressed. Finally, the future development tendency of metadata repository by discussing a simple case has explored.
出处
《科学技术与工程》
2007年第10期2383-2386,共4页
Science Technology and Engineering
关键词
信息资源
政务信息资源
元数据
元数据库
information resource government information resource metadata metadata repository
