@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81b5bbd9-fe11-42b8-9c58-b0b66f744acb> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81b5bbd9-fe11-42b8-9c58-b0b66f744acb> .