@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/f57f1efb-52cd-4f7c-8439-2a13e89af2dd> rdfs:isDefinedBy <https://stad.gent/data/blank_node/f57f1efb-52cd-4f7c-8439-2a13e89af2dd> .