@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81aff16d-1547-47ce-8d5f-3ef834fc3657> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81aff16d-1547-47ce-8d5f-3ef834fc3657> .