@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/f81520d3-4408-4ac4-8a0c-ebca391fda3b> rdfs:isDefinedBy <https://stad.gent/data/blank_node/f81520d3-4408-4ac4-8a0c-ebca391fda3b> .