@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81ef9f7e-1db5-4923-b109-27ae640e9ff9> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81ef9f7e-1db5-4923-b109-27ae640e9ff9> .