@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/87c15c41-8a90-44d7-8d3a-56141f729eaf> rdfs:isDefinedBy <https://stad.gent/data/blank_node/87c15c41-8a90-44d7-8d3a-56141f729eaf> .