@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/51e170b7-918a-4b21-ae39-b18a81082541> rdfs:isDefinedBy <https://stad.gent/data/blank_node/51e170b7-918a-4b21-ae39-b18a81082541> .