@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81a0b5cc-17fb-4ff3-8f5c-05ce58a1744e> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81a0b5cc-17fb-4ff3-8f5c-05ce58a1744e> .