@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81c12bc9-2746-4896-834b-1d855497be75> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81c12bc9-2746-4896-834b-1d855497be75> .