@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81b3f331-444f-4ebb-8752-f9692945ad2a> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81b3f331-444f-4ebb-8752-f9692945ad2a> .