The UML class graph is adopted in the new modeling method, which made it more clear to display the whole logic data structure and more convenient to describe the meta-data model of the data warehouse.

新的建模方法通过在建模过程中引入UML的类图，方便了数据仓库组织构架的细化，并且很好地描述了数据仓库的元数据，使该方法更加适于设计面向主题的数据模型。

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