@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81dce2f4-a71d-43c5-800b-9436101edd79> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81dce2f4-a71d-43c5-800b-9436101edd79> .