@prefix ec: <http://www.ebu.ch/metadata/ontologies/ebucoreplus#> .
@prefix owl: <http://www.w3.org/2002/07/owl#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix dcterms: <http://purl.org/dc/terms/> .

ec:Rule
  a owl:Class ;
  rdfs:subClassOf [
    a owl:Restriction ;
    owl:onProperty ec:hasIdentifier ;
    owl:allValuesFrom ec:Identifier
  ], [
    a owl:Restriction ;
    owl:onProperty ec:hasObjectType ;
    owl:allValuesFrom skos:Concept
  ], [
    a owl:Restriction ;
    owl:onProperty ec:hasPriority ;
    owl:allValuesFrom skos:Concept
  ], [
    a owl:Restriction ;
    owl:onProperty ec:hasRelatedRule ;
    owl:allValuesFrom ec:Rule
  ], [
    a owl:Restriction ;
    owl:onProperty ec:isDefinedBy ;
    owl:allValuesFrom ec:Contract
  ], [
    a owl:Restriction ;
    owl:onProperty ec:description ;
    owl:allValuesFrom rdfs:Literal
  ], [
    a owl:Restriction ;
    owl:onProperty ec:name ;
    owl:allValuesFrom rdfs:Literal
  ], [
    a owl:Restriction ;
    owl:onProperty ec:ruleStatement ;
    owl:allValuesFrom rdfs:Literal
  ] ;
  dcterms:description "A Rule defined from legal, technical or editorial, or regulatory requirements."@en ;
  rdfs:label "Rule"@en ;
  skos:definition "a legal, regulatory, technical or editorial guideline"@en ;
  skos:example """- audio track volume level must be below 0dB
- speaker time in a debate between two candidates must be equal
- the share of male/female experts in all programmes of BBC One should be 50% each"""@en .