@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/a1ff9738-546a-483b-b67f-ac8861ef9200> rdfs:isDefinedBy <https://stad.gent/data/blank_node/a1ff9738-546a-483b-b67f-ac8861ef9200> .