@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/ef57c645-8970-4514-afea-2226d0d382e0> rdfs:isDefinedBy <https://stad.gent/data/blank_node/ef57c645-8970-4514-afea-2226d0d382e0> .