@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/d81fd0fb-c342-42b3-b708-4dc1af770741> rdfs:isDefinedBy <https://stad.gent/data/blank_node/d81fd0fb-c342-42b3-b708-4dc1af770741> .