@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/ef54df39-e7ba-447e-8f74-75fa4daea10d> rdfs:isDefinedBy <https://stad.gent/data/blank_node/ef54df39-e7ba-447e-8f74-75fa4daea10d> .