@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/51139ba3-8806-499a-9ae5-26370350fd41> rdfs:isDefinedBy <https://stad.gent/data/blank_node/51139ba3-8806-499a-9ae5-26370350fd41> .