@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81dd2b91-6093-422c-980b-099b6fb7da84> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81dd2b91-6093-422c-980b-099b6fb7da84> .