@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/c81f1191-0e53-4f56-8ff8-352657f193f0> rdfs:isDefinedBy <https://stad.gent/data/blank_node/c81f1191-0e53-4f56-8ff8-352657f193f0> .