@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81dc9712-d56e-4a09-acd1-0e6aa8d04d8f> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81dc9712-d56e-4a09-acd1-0e6aa8d04d8f> .