公共仓库元模型（CWM）是对象管理组织（OMG）提出的一个通用的数据仓库元数据规范，已经得到了各大工具厂商的支持。

Public warehouse model (CWM) is the object management organizations (OMG) by a common data warehouse metadata standard, has been the major tool manufacturers for their support.

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由此引发了人们对元数据的研究，并最终促使O MG于2001年提出公共数据仓库元模型规范(CWM)。

So people begin the research on metadata, this resulted in the CWM (Common Warehouse Metamodel) published in 2001 by OMG.

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