@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81ece7e8-dfcf-45f2-bdf6-3a2e21501cbc> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81ece7e8-dfcf-45f2-bdf6-3a2e21501cbc> .