@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81012c94-289d-4308-94cb-89800451b8fc> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81012c94-289d-4308-94cb-89800451b8fc> .