@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/21f1d0ec-7ebb-4199-aa2a-153972cb6bad> rdfs:isDefinedBy <https://stad.gent/data/blank_node/21f1d0ec-7ebb-4199-aa2a-153972cb6bad> .