@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/821a0a87-2f63-40ea-b9ac-ab3517f6e18d> rdfs:isDefinedBy <https://stad.gent/data/blank_node/821a0a87-2f63-40ea-b9ac-ab3517f6e18d> .