@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81ba36e4-147a-4c30-9ab7-ee73db5ea66b> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81ba36e4-147a-4c30-9ab7-ee73db5ea66b> .