@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81b5cff1-938f-482e-ade0-65acd8910771> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81b5cff1-938f-482e-ade0-65acd8910771> .