@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81ff89f3-f429-4ea8-9c2d-e2efc8ae0dfb> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81ff89f3-f429-4ea8-9c2d-e2efc8ae0dfb> .