@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81ba618b-0693-4965-ba34-6116721e36ed> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81ba618b-0693-4965-ba34-6116721e36ed> .