@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81dc56e2-0158-438e-9267-a88a413473aa> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81dc56e2-0158-438e-9267-a88a413473aa> .