@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/87777d0c-6e21-4bc1-98d2-0c685d581c1a> rdfs:isDefinedBy <https://stad.gent/data/blank_node/87777d0c-6e21-4bc1-98d2-0c685d581c1a> .