@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/ef670531-5220-4d56-a9d4-1ce98fc942f6> rdfs:isDefinedBy <https://stad.gent/data/blank_node/ef670531-5220-4d56-a9d4-1ce98fc942f6> .