@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/b81950c1-ff16-4c67-8daf-5e8ab3538712> rdfs:isDefinedBy <https://stad.gent/data/blank_node/b81950c1-ff16-4c67-8daf-5e8ab3538712> .