@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81f348cd-a40e-4bbd-aff6-4b42a6560a42> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81f348cd-a40e-4bbd-aff6-4b42a6560a42> .