https://w3id.org/rec#url
owl:AsymmetricProperty, owl:IrreflexiveProperty, owl:ObjectProperty
@prefix owl: <http://www.w3.org/2002/07/owl#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix rec: <https://w3id.org/rec#> .
rec:url a owl:AsymmetricProperty,
owl:IrreflexiveProperty,
owl:ObjectProperty ;
rdfs:label "url"@en .