@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/57933e8f-f218-4bff-8959-174a5380718d> rdfs:isDefinedBy <https://stad.gent/data/blank_node/57933e8f-f218-4bff-8959-174a5380718d> .