@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81cb28d4-2acc-4743-98b9-c775326a1f23> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81cb28d4-2acc-4743-98b9-c775326a1f23> .