@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/af63c8cf-1630-498f-926a-571f7903dedd> rdfs:isDefinedBy <https://stad.gent/data/blank_node/af63c8cf-1630-498f-926a-571f7903dedd> .