@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81fa4d4b-9fc8-4434-8a36-16975220626d> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81fa4d4b-9fc8-4434-8a36-16975220626d> .