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A '''common data model''' ('''CDM''') can refer to any standardised [[data model]] which allows for [[data]] and [[information exchange]] between different [[Application software|applications]] and [[Database|data sources]]. Common data models aim to standardise logical infrastructure so that related applications can "operate on and share the same data",<ref>[https://www.synopsys.com/glossary/what-is-common-data-model.html What is a Common Data Model? – How Does it Work? | Synopsys]</ref> and can be seen as a way to "organize data from many sources that are in different formats into a standard structure".<ref>[https://www.jamesserra.com/archive/2019/06/common-data-model/ Common Data Model | James Serra's Blog]</ref>
A common data model has been described as one of the components of a "[[Technical data management system#Comparison between strong information systems and weak information systems|strong information system]]".<ref>[http://www.marcolazzari.it/publications/weak-information-systems-for-technical-data-management-preprint.pdf Salvaneschi, Paolo; Lazzari, Marco (1997). Weak information systems for technical data management (PDF). Worldwide ECCE Symposium on computers in the practice of building and civil engineering. Lahti, Finland. pp. 310–314. Retrieved 2015-11-29]</ref> A standardised common data model has also been described as a typical component of a well designed [[agile application]] besides a common communication protocol.{{citation needed|date=April 2022}} Providing a single common data model within an organisation is one of the typical tasks of a [[data warehouse]].
== Examples of common data models ==
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