@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/ef9dfed6-c41e-4710-a685-8ac681c8e508> rdfs:isDefinedBy <https://stad.gent/data/blank_node/ef9dfed6-c41e-4710-a685-8ac681c8e508> .