CodeRelationStructure — DDI 4.0 dev documentation

# CodeRelationStructure

## Extends

Identifiable

## Definition

Relation structure of codes within a codelist. Allows for the specification of complex relationships among codes.

## Synonyms

## Explanatory notes

The CodeRelationStructure employs a set of CodeRelations to describe the relationship among concepts. Each CodeRelation is a one to many description of connections between codes. Together they might commonly describe relationships as complex as a hierarchy.

Classes

- CodeRelationStructure - Examples
- CodeRelationStructure - Properties and Relationships
  - Properties
  - Relationships
- CodeRelationStructure - DDI 3.2 mapping
- CodeRelationStructure - RDF mapping
- CodeRelationStructure - GSIM mapping
- CodeRelationStructure - Graph