@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/f57f4687-ff4b-4dcd-8e2f-81140580f18e> rdfs:isDefinedBy <https://stad.gent/data/blank_node/f57f4687-ff4b-4dcd-8e2f-81140580f18e> .