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XML作为主流的元数据描述语言,可以在电子政务系统中,为政府信息资源提供统一的描述框架。框架主要由模式层、应用层、环境层三部分组成。模式层由政府信息资源元数据描述模式框架描述,基于XML的元数据描述应用框架支撑了元数据的具体应用,而XML应用框架生命周期和XML元数据技术的协同工作解决了元数据应用的可操作性和可持续性。图1。参考文献9。
As the mainstream metadata description language, XML can provide a unified description framework for government information resources in e-government system. The framework consists of three parts: the model layer, the application layer and the environment layer. The model layer is described by the model framework of metadata description of government information resources. The application framework of metadata description based on XML supports the concrete application of metadata. The collaborative work of XML application framework life cycle and XML metadata technology solves the problem that metadata applications Operability and sustainability. figure 1. Reference 9.