@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81f8402c-c2f7-4893-a7aa-d043c79fd4d8> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81f8402c-c2f7-4893-a7aa-d043c79fd4d8> .