@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81df8c39-2b8d-438e-93d5-3312915451b3> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81df8c39-2b8d-438e-93d5-3312915451b3> .