@prefix datacite: <http://purl.org/spar/datacite/> .
@prefix owl: <http://www.w3.org/2002/07/owl#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .

datacite:PersonalIdentifier a owl:Class ;
    rdfs:label "personal identifier"@en ;
    rdfs:comment "An identifier that uniquely identifies an individual person."@en ;
    rdfs:isDefinedBy datacite: ;
    rdfs:subClassOf [ a owl:Restriction ;
            owl:allValuesFrom datacite:PersonalIdentifierScheme ;
            owl:onProperty datacite:usesIdentifierScheme ],
        datacite:AgentIdentifier .