@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/ff678f0f-0134-451a-865d-b4299bcdb318> rdfs:isDefinedBy <https://stad.gent/data/blank_node/ff678f0f-0134-451a-865d-b4299bcdb318> .