@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/a81a21aa-40cb-4811-af51-27a261c9efb9> rdfs:isDefinedBy <https://stad.gent/data/blank_node/a81a21aa-40cb-4811-af51-27a261c9efb9> .