@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/87c31f25-b0f1-41d3-9de6-81b45950196a> rdfs:isDefinedBy <https://stad.gent/data/blank_node/87c31f25-b0f1-41d3-9de6-81b45950196a> .