@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81dff210-b357-49a3-bb57-2651c2a0607d> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81dff210-b357-49a3-bb57-2651c2a0607d> .