@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/639aa8ea-09ca-4c66-9ef8-7ccac6ca5855> rdfs:isDefinedBy <https://stad.gent/data/blank_node/639aa8ea-09ca-4c66-9ef8-7ccac6ca5855> .