@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81cb3add-0f8f-4505-82a6-8e1acb236c04> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81cb3add-0f8f-4505-82a6-8e1acb236c04> .