@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/c21511d4-813a-4537-99e4-73b7f7b50dcf> rdfs:isDefinedBy <https://stad.gent/data/blank_node/c21511d4-813a-4537-99e4-73b7f7b50dcf> .