@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/af4c3ff2-75be-473a-b449-239011c1c950> rdfs:isDefinedBy <https://stad.gent/data/blank_node/af4c3ff2-75be-473a-b449-239011c1c950> .