@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/c81b90fa-8d86-4a65-86fc-7148ad834dd7> rdfs:isDefinedBy <https://stad.gent/data/blank_node/c81b90fa-8d86-4a65-86fc-7148ad834dd7> .