@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/21f28612-b952-480c-b49b-c975f2936319> rdfs:isDefinedBy <https://stad.gent/data/blank_node/21f28612-b952-480c-b49b-c975f2936319> .