因为数据仓库和数据集市在许多情形中是可以交换的概念，所以有必要基于两层的仓库模型指定它们的定义。
Since data warehouse and data mart are interchangeable concepts in many situations, it is necessary to specify their definition based on the two-tiered warehouse model.
该规范为SOA资源仓库定义了一个公共的数据模型，促进了对公共工具的使用和数据共享。
The specification defines a common data model for SOA repositories which facilitates the use of common tooling and data sharing.
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