@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/87c1c167-ab13-4474-a0cd-52e557518fdb> rdfs:isDefinedBy <https://stad.gent/data/blank_node/87c1c167-ab13-4474-a0cd-52e557518fdb> .