@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/a57b8bc1-8d17-4dc2-9c73-9ed009716f68> rdfs:isDefinedBy <https://stad.gent/data/blank_node/a57b8bc1-8d17-4dc2-9c73-9ed009716f68> .