@prefix owl: <http://www.w3.org/2002/07/owl#> .
@prefix prov: <http://www.w3.org/ns/prov#> .
@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .

prov:hadPrimarySource a owl:ObjectProperty ;
    rdfs:label "hadPrimarySource" ;
    rdfs:domain prov:Entity ;
    rdfs:isDefinedBy <http://www.w3.org/ns/prov-o#> ;
    rdfs:range prov:Entity ;
    rdfs:subPropertyOf prov:wasDerivedFrom ;
    owl:propertyChainAxiom [ rdf:first prov:qualifiedPrimarySource ;
            rdf:rest [ ] ] ;
    prov:category "expanded" ;
    prov:component "derivations" ;
    prov:inverse "wasPrimarySourceOf" ;
    prov:qualifiedForm prov:PrimarySource,
        prov:qualifiedPrimarySource .