@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/57ad9ba6-776a-4f90-9d72-7fe394b4970f> rdfs:isDefinedBy <https://stad.gent/data/blank_node/57ad9ba6-776a-4f90-9d72-7fe394b4970f> .