@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/ac4ff0b4-23fa-4fe8-b55e-657013147a82> rdfs:isDefinedBy <https://stad.gent/data/blank_node/ac4ff0b4-23fa-4fe8-b55e-657013147a82> .