@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/ef555e40-ff29-4a9d-9ae7-344f523054fd> rdfs:isDefinedBy <https://stad.gent/data/blank_node/ef555e40-ff29-4a9d-9ae7-344f523054fd> .