@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/d1b9a6c1-e528-430c-867e-2fd417439ef3> rdfs:isDefinedBy <https://stad.gent/data/blank_node/d1b9a6c1-e528-430c-867e-2fd417439ef3> .