@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/af8c81b2-0e6d-4107-a7fa-717eaee493cf> rdfs:isDefinedBy <https://stad.gent/data/blank_node/af8c81b2-0e6d-4107-a7fa-717eaee493cf> .