@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/ff4b50e6-1422-404e-88c0-ab3f9b9dd1ab> rdfs:isDefinedBy <https://stad.gent/data/blank_node/ff4b50e6-1422-404e-88c0-ab3f9b9dd1ab> .