@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/21c81f74-f4ae-40b3-9538-ce15a4637244> rdfs:isDefinedBy <https://stad.gent/data/blank_node/21c81f74-f4ae-40b3-9538-ce15a4637244> .