@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/51ac0bb3-734a-41c9-9afe-b9092519fd6d> rdfs:isDefinedBy <https://stad.gent/data/blank_node/51ac0bb3-734a-41c9-9afe-b9092519fd6d> .