@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/91b8db31-0329-49e2-933e-b3f0309a5450> rdfs:isDefinedBy <https://stad.gent/data/blank_node/91b8db31-0329-49e2-933e-b3f0309a5450> .