@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/ef4df14f-2c65-486f-8250-b6b3e68eee68> rdfs:isDefinedBy <https://stad.gent/data/blank_node/ef4df14f-2c65-486f-8250-b6b3e68eee68> .