@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/ef1988a8-51fc-4b8c-a097-f7923313ada4> rdfs:isDefinedBy <https://stad.gent/data/blank_node/ef1988a8-51fc-4b8c-a097-f7923313ada4> .