@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81c5dcb8-d3a1-4947-8a4d-bb1fac8731bc> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81c5dcb8-d3a1-4947-8a4d-bb1fac8731bc> .