@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81b4e777-4591-4e0b-ba7d-0206df66197f> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81b4e777-4591-4e0b-ba7d-0206df66197f> .