@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/c819ff9a-816c-447f-9489-906b4b33fdbc> rdfs:isDefinedBy <https://stad.gent/data/blank_node/c819ff9a-816c-447f-9489-906b4b33fdbc> .