@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/ef6644fb-9ba7-454b-9155-e54ef20087ac> rdfs:isDefinedBy <https://stad.gent/data/blank_node/ef6644fb-9ba7-454b-9155-e54ef20087ac> .