@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/87ac639f-fc3f-4c46-abef-1accab54f600> rdfs:isDefinedBy <https://stad.gent/data/blank_node/87ac639f-fc3f-4c46-abef-1accab54f600> .