@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/af7913f2-d291-493a-ba43-c6be6bb325fc> rdfs:isDefinedBy <https://stad.gent/data/blank_node/af7913f2-d291-493a-ba43-c6be6bb325fc> .