@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81c2def5-c9b3-497f-a708-2421346e1c12> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81c2def5-c9b3-497f-a708-2421346e1c12> .