@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/f81c58c2-c9d9-422c-921a-7506c42ec740> rdfs:isDefinedBy <https://stad.gent/data/blank_node/f81c58c2-c9d9-422c-921a-7506c42ec740> .