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Difference between revisions of "Entity Relation"
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==Definition== | ==Definition== | ||
* An [[Entity Relation]] is a kind of [[Attribute]] of an [[Entity]]. | * An [[Entity Relation]] is a kind of [[Attribute]] of an [[Entity]]. | ||
| − | * Each value of an [[Entity Relation]] identifies an [[Entity]] [Note: the target [[Entity | Entities | + | * Each value of an [[Entity Relation]] identifies an [[Entity]] [Note: the target [[Entity | Entities]s may be in the same or different [[Context]]s as the source [[Entity]] ] |
* The value(s) of an [[Entity Relation]] is an [[Entity]]. | * The value(s) of an [[Entity Relation]] is an [[Entity]]. | ||
| Line 15: | Line 15: | ||
* [[Entity Correlation]] | * [[Entity Correlation]] | ||
* [[EntityId]] | * [[EntityId]] | ||
| − | * [[ | + | * [[Entity UDI]] |
* [[ContextId]] | * [[ContextId]] | ||
[[Category:Context Data Model 1.1]] | [[Category:Context Data Model 1.1]] | ||
Revision as of 12:47, 13 June 2008
{{#eclipseproject:technology.higgins}}
Contents
Version
This pages describes the concept of Entity Relation used in Context Data Model 1.1
Definition
- An Entity Relation is a kind of Attribute of an Entity.
- Each value of an Entity Relation identifies an Entity [Note: the target [[Entity | Entities]s may be in the same or different Contexts as the source Entity ]
- The value(s) of an Entity Relation is an Entity.