@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/1ffc3c9a-69be-444b-aea5-e14901010ada> rdfs:isDefinedBy <https://stad.gent/data/blank_node/1ffc3c9a-69be-444b-aea5-e14901010ada> .