@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81d68179-1944-48de-8842-d9288fffd5c2> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81d68179-1944-48de-8842-d9288fffd5c2> .