@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/cff4b8f7-c8a5-4d72-ab98-492423c9affe> rdfs:isDefinedBy <https://stad.gent/data/blank_node/cff4b8f7-c8a5-4d72-ab98-492423c9affe> .