@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/639d679b-39c7-469c-889b-8f4d36cc3351> rdfs:isDefinedBy <https://stad.gent/data/blank_node/639d679b-39c7-469c-889b-8f4d36cc3351> .