@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/139de139-c047-4668-8ebd-230f612fcfa7> rdfs:isDefinedBy <https://stad.gent/data/blank_node/139de139-c047-4668-8ebd-230f612fcfa7> .