@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/a1ff5dc8-d4a9-4c86-8044-7def356104d2> rdfs:isDefinedBy <https://stad.gent/data/blank_node/a1ff5dc8-d4a9-4c86-8044-7def356104d2> .