prefix rdfs: prefix owl: prefix xsd: ## # banner Class subClassOf hierarchy shouldn't be circular. SELECT DISTINCT ?error ?class WHERE { FILTER regex(str(?class), ) ?class rdfs:subClassOf+ ?class . FILTER NOT EXISTS {?class owl:deprecated "true"^^xsd:boolean} . BIND (concat ("PRODERROR: There is a hierarchy cycle around class ", str(?class)) AS ?error) }