@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81fb0978-c4f9-40c2-b3af-f0b894d62692> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81fb0978-c4f9-40c2-b3af-f0b894d62692> .