@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/a1af9c21-1815-4c6f-832d-149178e63b1d> rdfs:isDefinedBy <https://stad.gent/data/blank_node/a1af9c21-1815-4c6f-832d-149178e63b1d> .