Given attribute set and minimum cover set of functional dependencies over one relational schema, a new method for designing normalized XML schemas based on schema graph is proposed.
在给定关系模式的属性集及其函数依赖最小覆盖集的基础上，提出一种基于模式图的规范化XML模式设计方法。
You should find that the correspondence between the instance document, the schema, and the SDO data graph is clear.
您应可看出示例文档与模式之间的对应关系，SDO数据图非常清晰。
If you're familiar with XML or Web services, you can think of the data graph model as the XML Schema (XSD) that defines your data objects.
如果熟悉XML或者Web服务，那么可以将数据图模型看作定义数据对象XML Schema (XSD)。
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