@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/a81a573e-4832-4147-91d7-678d18bf12aa> rdfs:isDefinedBy <https://stad.gent/data/blank_node/a81a573e-4832-4147-91d7-678d18bf12aa> .