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Source and target entities may be contained in the same code system as the association or another if explicitly identified. By default, all source and target entities are resolved from the code system defining the association. The code system can be overridden by each specific association, relation source (associationInstance), or relation target (associationTarget).*

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  • Enterprise Architect (EA) format: Relations model. Click on any attributes to view more details.

AssociationEntity

AssociationEntity is a subclass of an Entity with type as 'association'. AssociationEntity basically defines the nature of the relationship in terms of transitivity, navigable, forward and reverse names.*

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Value Set Definition

Value Set Definition with in the LexGrid logical model defines the contents of a Value Set. The contents are coded entities defined in referencing Code System. Value Set can contain coded entities from one or more Code Systems.

Visit LexEVS 6.0 Value Set Detailed Design for detailed information about Value Set Definition.*

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Pick List Definition

Pick List Definition with in the LexGrid logical model defines an ordered list of entity codes and corresponding presentations drawn from a resolved value set definition.

Visit LexEVS 6.0 Pick List Detailed Design for detailed information about Pick List Definition.*

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Naming

These are the elements primarily used to define metadata for a coding scheme, value set and pick list definition, mapping locally used names to global references. Each naming elements are represented as SupportedXXX where XXX could be language, property name, source, context etc., that are locally used in coding scheme, value set definition or pick list definition. It also has an optional URI that can be used to find the exact definition and meaning of the local id. Note: the string portion of this entry can be used to provide additional documentation or information, especially when a URI is not supplied.*

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  • Enterprise Architect (EA) format: Naming model. Click on any attributes to view more details.

Versions

These are the elements primarily used to author terminology elements.

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System Release is a collection of coding schemes, value set definitions, pick list definitions and/or revision records that are distributed as a unit.*

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  • Enterprise Architect (EA) format: System Release model. Click on any attributes to view more details.

VersionableEntities

Versionable Entities are the resources that can undergo change over time while maintaining its identity. All the LexGrid elements that can undergo changes (like Entity, CodingScheme, ValueSetDefinition, property etc) are Versionable Entities.*

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Versioning

Versioning are an ordered collection of state changes that define the transformation of a set of resources from one consistent state to another.*

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  • Enterprise Architect (EA) format: Versioning model. Click on any attributes to view more details.

LexBIG model

The following extensions to the LexGrid model were introduced in support of caBIG® requirements. As with the LexGrid model, this document provides a summary of the most significant elements for consideration by LexBIG programmers. The complete and current version of the model is available online at http://lexgrid.org/LexGrid/downloads/LexBIG/schemas/2010/01/EA/index.htm.

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