@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/d81b6fd6-caf8-4fcf-b1ae-062f04dc690f> rdfs:isDefinedBy <https://stad.gent/data/blank_node/d81b6fd6-caf8-4fcf-b1ae-062f04dc690f> .