GeographicUnitTypeRelationStructure - Properties and Relationships — DDI 4.0 dev documentation

# GeographicUnitTypeRelationStructure - Properties and Relationships

## Properties

Name | Type | Cardinality
--- | --- | ---
hasMemberRelation | GeographicUnitTypeRelation | 0..n
hasRelationSpecification | RelationSpecification | 1..1
semantic | ExternalControlledVocabularyEntry | 0..1
totality | TotalityType | 0..1

### hasMemberRelation

MemberRelation used to define the relationship of members within the collection

### hasRelationSpecification

Provides information on reflexivity, transitivity, and symmetry of relationship using a descriptive term from an ennumeration list

### semantic

Provides semantic context for the relationship context for the relationship using an External Controlled Vocabulary. Examples might include “parent-child”, or “immediate supervisee”

### totality

Controlled Vocabulary to specify whether the relation is total, partial or unknown.

## Relationships

Name | Type | Cardinality
--- | --- | ---
realizes | RelationStructure | 0..n

### realizes

Collection class realized by this class