@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix owl: <http://www.w3.org/2002/07/owl#> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix sh: <http://www.w3.org/ns/shacl#> .
@prefix dct: <http://purl.org/dc/terms/> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .

<https://opda.org.uk/pdtf/shape/UrlShape> a sh:NodeShape ;
    sh:targetSubjectsOf <https://opda.org.uk/pdtf/url> ;
    sh:property [ sh:path <https://opda.org.uk/pdtf/url> ; sh:datatype xsd:anyURI ; sh:severity sh:Violation ; sh:message "opda:url (URL) MUST be a well-formed http(s) URI (sh:datatype xsd:anyURI + URI sh:pattern). The property is rdfs:domain-less (cross-artefact reference; ODR-0024 R11 / session-028 Q5) — this shape constrains its value-space via sh:targetSubjectsOf rather than a bearer class." ] .