@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/91b60423-7fc9-491c-968b-722dac7384b8> rdfs:isDefinedBy <https://stad.gent/data/blank_node/91b60423-7fc9-491c-968b-722dac7384b8> .