@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/af6e3c2d-9b0a-49c8-a2f9-da5ea6995a21> rdfs:isDefinedBy <https://stad.gent/data/blank_node/af6e3c2d-9b0a-49c8-a2f9-da5ea6995a21> .