@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81bde4eb-a534-4073-bd19-c42d27c0b966> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81bde4eb-a534-4073-bd19-c42d27c0b966> .