@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/c81fc9d0-e5a7-4567-8eda-3e819ac32f19> rdfs:isDefinedBy <https://stad.gent/data/blank_node/c81fc9d0-e5a7-4567-8eda-3e819ac32f19> .