@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/87491cb3-eb6b-4c1b-9feb-9127149b69bf> rdfs:isDefinedBy <https://stad.gent/data/blank_node/87491cb3-eb6b-4c1b-9feb-9127149b69bf> .