@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/af819bab-d641-4909-b762-fc4ca919dd8d> rdfs:isDefinedBy <https://stad.gent/data/blank_node/af819bab-d641-4909-b762-fc4ca919dd8d> .