@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/a81657aa-8f57-49b6-83c1-3da38b9c5fc4> rdfs:isDefinedBy <https://stad.gent/data/blank_node/a81657aa-8f57-49b6-83c1-3da38b9c5fc4> .