@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81ccd0a2-e8b9-4b64-bcd1-961f1bd1ecda> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81ccd0a2-e8b9-4b64-bcd1-961f1bd1ecda> .