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讨论了数据语义模型的组成和数据语义模型的建立步骤，并用例子加以说明。信息系统数据语义模型，为组织的信息系统分析提供了图上作业的方法，并为组织进行信息系统分析和改造提供了基础，有利于组织管理工作的改进
Discusses the data semantic model composition and data semantic model establishment steps, and uses the example to explain. The semantic model of information system data provides a method for analyzing the information system of an organization and provides a basis for the organization to carry out information system analysis and transformation and is conducive to the improvement of the organization and management work