@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/af8f9a8a-9fd1-4b19-9259-375e1f8e3ac1> rdfs:isDefinedBy <https://stad.gent/data/blank_node/af8f9a8a-9fd1-4b19-9259-375e1f8e3ac1> .