5 Règles de validation

SELECT ?class ?class2
WHERE {
   ?class rdfs:subClassOf+ sys:agent .
    {?unionClass owl:equivalentClass [
      rdf:type owl:Class ;
      owl:unionOf (
          ?class2
          ?class
        ) ;
    ] ;}
UNION
   {?unionClass owl:equivalentClass [
      rdf:type owl:Class ;
      owl:unionOf (
          ?class
          ?class2
        ) ;
    ] ;}

}