@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/57f97494-c950-497a-aba2-15b3e7957b47> rdfs:isDefinedBy <https://stad.gent/data/blank_node/57f97494-c950-497a-aba2-15b3e7957b47> .