@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81a9ce89-bb62-4c17-bed3-f0282504ef58> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81a9ce89-bb62-4c17-bed3-f0282504ef58> .