@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81fc80e8-58b4-4721-b82e-deadece65bcd> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81fc80e8-58b4-4721-b82e-deadece65bcd> .