@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81c4a7ec-6862-4e1d-9288-873a301873eb> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81c4a7ec-6862-4e1d-9288-873a301873eb> .