@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/d81f7574-2da1-4b90-86ea-df7e73551f49> rdfs:isDefinedBy <https://stad.gent/data/blank_node/d81f7574-2da1-4b90-86ea-df7e73551f49> .