@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81f32e4c-550f-4515-bf48-5cdeb221c240> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81f32e4c-550f-4515-bf48-5cdeb221c240> .