@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81f5c947-b6fb-452e-851a-0e622e663e32> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81f5c947-b6fb-452e-851a-0e622e663e32> .