@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81e18639-1ace-4003-be11-84e273edb743> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81e18639-1ace-4003-be11-84e273edb743> .