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Common Warehouse Metamodel

  • Reference work entry
  • First Online:
Encyclopedia of Database Systems

  • 19 Accesses

Synonyms

Common Warehouse Metadata Interchange (CWMI); CWM

Definition

The Common Warehouse Metamodel (CWM™) is an adopted specification from the OMG (Object Management Group) standards body. It defines standard interfaces that can be used to enable easy interchange of data warehouse and business intelligence metadata between data warehouse tools, data warehouse platforms and data warehouse metadata repositories in distributed heterogeneous environments. It supports relational, non-relational, multi-dimensional, and most other objects found in a data warehousing environment. It leverages three other standards from OMG:

  • UML – Unified Modeling Language

  • MOF – Meta Object Facility

  • XMI – XML Metadata Interchange

The Object Management Group has been an international, open membership, not-for-profit computer industry consortium since 1989 with over 700 member organizations.

Historical Background

An initial Request For Proposal (RFP) for a common warehouse metadata interchange (CWMI) was issued...

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Recommended Reading

  1. Common Warehouse Model (CWM) Specification, Version 1.1, Object Management Group. Needham, 2 March 2003. http://www.omg.org/technology/documents/formal/cwm.htm

  2. CWM Metadata Interchange Patterns Specification, Version 1.0, Object Management Group. Needham, 25 March 2004.

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  3. Grossman RL, Hornick MF, Meyer G. Data mining standards initiatives. Commun ACM. 2002;45(8):59–61.

    Article  Google Scholar 

  4. Poole J, Chang D, Tolbert D, Mellor D. Common warehouse metamodel: an introduction to the standard for data warehouse integration. New York: Wiley; 2002.

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  5. Vaduva A, Dittrich KR. Metadata management for data warehousing: between vision and reality. In: Proceeding of the International Conference on Database Engineering and Applications; 2001. p. 0129.

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Author information

Authors and Affiliations

  1. University of Ottawa, Ottawa, ON, Canada

    Liam Peyton

Authors
  1. Liam Peyton
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Corresponding author

Correspondence to Liam Peyton .

Editor information

Editors and Affiliations

  1. Georgia Institute of Technology College of Computing, Atlanta, GA, USA

    Ling Liu

  2. University of Waterloo School of Computer Science, Waterloo, ON, Canada

    M. Tamer Özsu

Section Editor information

  1. IIT, University of Skövde, Skövde, Sweden

    Manfred Jeusfeld

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Cite this entry

Peyton, L. (2018). Common Warehouse Metamodel. In: Liu, L., Özsu, M.T. (eds) Encyclopedia of Database Systems. Springer, New York, NY. https://doi.org/10.1007/978-1-4614-8265-9_900

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