About the RDA Registry and vocabularies

Representing the RDA ontology

Class hierarchies

There are two hierarchies within the RDA Class element set.

They align RDA with the IFLA Library Reference Model (LRM).

Entity hierarchy

"RDA entity" is a super-class of all other RDA classes representing entities.

RDA Entity class hierarchy

RDF graph of the class hierarchy of RDA Entity.

Agent hierarchy

"Agent" is a super-class of "Collective Agent" and "Person"; "Collective Agent" is a super-class of "Corporate Body" and "Family".

RDA Agent class hierarchy

RDF graph of the class hierarchy of RDA Agent.

The hierarchies are also represented between properties using RDFS sub-property relationships.

See RDA curie prefixes for compact URIs used in this page.