@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/c81df8f5-65ad-4de5-81cb-b9732c7b2157> rdfs:isDefinedBy <https://stad.gent/data/blank_node/c81df8f5-65ad-4de5-81cb-b9732c7b2157> .