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 Term  Definition
IEC Common Information Model (CIM) 

"The CIM is an abstract model that represents all the major objects in an electric utility enterprise typically contained in an EMS information model.  By providing a standard way of representing power system resources as object classes and attributes, along with their relationships, the CIM facilitates the integration of EMS applications developed independently by different vendors, between entire EMS systems developed independently, or between an EMS system and other systems concerned with different aspects of power system operations, such as generation or distribution management." 
Parts 552 Document (10/1/2009)

See also:
CIM Profile A restricted subset of the CIM UML model.

61970-452 [UCAIUG Membership required.]
CIM Profile Group A logical grouping of CIM Profiles.

See: 61970-456 [UCAIUG Membership required.]
UML Profile A mechanism in the the UML specification for providing a lightweight extension mechanism to the UML standard.

 RDF Resource Description Framework (RDF) is a standard model for data interchange on the Web.  RDF has features that facilitate data merging even if the underlying schemas differ, and it specifically supports the evolution of schemas over time without requiring all the data consumers to be changed.

 XSD XML Schema Definition

 UML Unified Modeling Language



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