@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81ab4315-69d7-4dbe-8ef9-17173c1f5203> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81ab4315-69d7-4dbe-8ef9-17173c1f5203> .