@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/c9fa87b1-1133-41dd-a261-dda3472c4efc> rdfs:isDefinedBy <https://stad.gent/data/blank_node/c9fa87b1-1133-41dd-a261-dda3472c4efc> .