@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/a81fa6ca-a890-47ce-814a-0b6f2490e139> rdfs:isDefinedBy <https://stad.gent/data/blank_node/a81fa6ca-a890-47ce-814a-0b6f2490e139> .