@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81ebc18e-4226-4d13-acfb-1d73742d86a3> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81ebc18e-4226-4d13-acfb-1d73742d86a3> .