@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/68f13288-3df6-4d87-9135-febbb0688089> rdfs:isDefinedBy <https://stad.gent/data/blank_node/68f13288-3df6-4d87-9135-febbb0688089> .