元数据在电子政务办公系统实现中的应用研究

Application Study on Metadata in the E-Gov Official System Realization

为了有效利用元数据来增强电子政务办公系统的可操作性、可移植性、可扩展性、可维护性和数据一致性,文章首先论述了元数据的定义及其在电子政务办公系统中的一般作用,然后基于笔者在“辽宁省党政信息网”,主体软件工程中的开发实践,从数据存储、数据交换、数据展现等五个方面多角度探讨了元数据在电子政务办公系统中的应用和实现机制。

For strengthening the operability,transplantation,expansibility,maintenance and data consistency of the E-Gov Affairs official system effectively by metadata,the paper disserts the definition of metadata and its essential function in the E-Gov Affairs official system firstly,and basing the author's development practice on″Liaoning provincial party and government information web″software engineering,explores the metadata's application and realization from data persis-tence,exchange,presentation and other else aspects.