@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/a81a87be-eecb-4707-92e9-90fb1868202d> rdfs:isDefinedBy <https://stad.gent/data/blank_node/a81a87be-eecb-4707-92e9-90fb1868202d> .