@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/87997b6b-ee30-456a-9bc2-5b48268e916c> rdfs:isDefinedBy <https://stad.gent/data/blank_node/87997b6b-ee30-456a-9bc2-5b48268e916c> .