@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81cb9036-38e2-44ac-8523-91c09e893650> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81cb9036-38e2-44ac-8523-91c09e893650> .