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Difference between revisions of "Entity Relation"
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This pages describes the concept of [[Entity Relation]] used in [[Context Data Model 1.1]] | This pages describes the concept of [[Entity Relation]] used in [[Context Data Model 1.1]] | ||
| − | ==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]]s may be in the same or different [[Context]]s as the source [[Entity]] ] | * 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 | + | * The value(s) of an [[Entity Relation]] is an [[Entity]]. |
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[[Category:Context Data Model 1.1]] | [[Category:Context Data Model 1.1]] | ||
Latest revision as of 19:55, 13 April 2009
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Version
This pages describes the concept of Entity Relation used in Context Data Model 1.1