@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/87b50613-2ea3-47f7-ae0a-8a399ea74904> rdfs:isDefinedBy <https://stad.gent/data/blank_node/87b50613-2ea3-47f7-ae0a-8a399ea74904> .