===== OMG: Common Warehouse Metamodel (CWM) =====
[[dido:public:ra:xapend:xapend.b_stds:tech:omg:start| return to the OMG Standards ]]

<table>
<caption>Data sheet for Common Warehouse Metamodel (CWM)</caption>
| Title                      | Common Warehouse Metamodel  |
| Acronym                    | CWM |
| Version                    | 1.1 |
| OMG Document Number        | formal/03-03-02 |
| Release Date               | March 2003  |
| About Specification        | [[https://www.omg.org/spec/CWM/1.1/About-CWM/]] |
| Document                   | [[https://www.omg.org/spec/CWM/1.1/PDF]]|
</table>

  : **Note**: The following is an excerpt from the actual document. It is provided here as a convenience and is not authoritative. Refer to the original document as the authoritative reference.

==== Scope ====
  : //The main purpose of CWM is to enable the easy interchange of warehouse and business intelligence metadata between warehouse tools, warehouse platforms and warehouse metadata repositories in distributed heterogeneous environments. CWM is based on three key industry standards://
    * //UML - Unified Modeling Language, an OMG modeling standard//
    * //MOF - Meta Object Facility, an OMG metamodeling, and metadata repository standard//
    * //XMI - XML Metadata Interchange, an OMG metadata interchange standard//

  : //These three standards form the core of the OMG metadata repository architecture...

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