@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81a13e1b-2484-4746-b8ec-45f3f9fd2919> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81a13e1b-2484-4746-b8ec-45f3f9fd2919> .