@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/b81cde1a-0229-4b44-ba90-4c6b91480598> rdfs:isDefinedBy <https://stad.gent/data/blank_node/b81cde1a-0229-4b44-ba90-4c6b91480598> .