@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/50511929-c2e8-4822-a232-8e70315468cc> rdfs:isDefinedBy <https://stad.gent/data/blank_node/50511929-c2e8-4822-a232-8e70315468cc> .