@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/51e21c0d-0518-4362-86a7-b197ede22878> rdfs:isDefinedBy <https://stad.gent/data/blank_node/51e21c0d-0518-4362-86a7-b197ede22878> .