@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81f31cc7-a30d-4551-bd41-6fde2a9d699f> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81f31cc7-a30d-4551-bd41-6fde2a9d699f> .