@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/ff904fd6-ecdb-4aa1-9ec5-b08437ee86be> rdfs:isDefinedBy <https://stad.gent/data/blank_node/ff904fd6-ecdb-4aa1-9ec5-b08437ee86be> .