Encyclopedia of Database Systems

2018 Edition
| Editors: Ling Liu, M. Tamer Özsu

Common Warehouse Metamodel

  • Liam Peyton
Reference work entry
DOI: https://doi.org/10.1007/978-1-4614-8265-9_900

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. 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. 2.
    CWM Metadata Interchange Patterns Specification, Version 1.0, Object Management Group. Needham, 25 March 2004.Google Scholar
  3. 3.
    Grossman RL, Hornick MF, Meyer G. Data mining standards initiatives. Commun ACM. 2002;45(8):59–61.CrossRefGoogle Scholar
  4. 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.Google Scholar
  5. 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.Google Scholar

Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2018

Authors and Affiliations

  1. 1.University of OttawaOttawaCanada

Section editors and affiliations

  • Manfred Jeusfeld
    • 1
  1. 1.IITUniversity of SkövdeSkövdeSweden