@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81cb90dc-2fc2-4418-a887-d25fde4a5772> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81cb90dc-2fc2-4418-a887-d25fde4a5772> .