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Revision as of 21:49, 9 November 2010 by (Talk | contribs) (See Also)

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This page defines the concept of EntityId used in the Context Data Model 2.0.


  • Identifies an Entity within its containing Context.
  • MAY be absolute or relative
  • An absolute EntityId
    • Resolves to one authoritative Entity
    • MUST uniquely identify both an Context and a specific Entity within it.
  • A relative Entity UDI MUST uniquely identify an Entity within the local Context.
  • Is kind of UDI URI.
  • An EntityId is a "Resource UDI" as defined in section 4 of UDI Syntax

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