@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81574aa1-3dbf-4057-a210-507eedc7b1ee> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81574aa1-3dbf-4057-a210-507eedc7b1ee> .