| Publisher: | Ontopia AS |
|---|---|
| PSI: | http://psi.ontopia.net/ontology/subject-identifier |
| Status: | Stable |
| PSI set: | Ontopoly meta-ontology |
| Type: | Identity field |
Represents the "subject identifier" field, and is used in Has field and Has cardinality associations to state whether or not a given topic type has a subject identifier field, and what its cardinality is.