@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81ac8e7f-7c35-434b-a701-a758e4cf58bd> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81ac8e7f-7c35-434b-a701-a758e4cf58bd> .