@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/91a80efc-f182-479e-9509-ad415f70f478> rdfs:isDefinedBy <https://stad.gent/data/blank_node/91a80efc-f182-479e-9509-ad415f70f478> .