@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/57b4409a-66d8-46a1-9e7f-002faf9955ae> rdfs:isDefinedBy <https://stad.gent/data/blank_node/57b4409a-66d8-46a1-9e7f-002faf9955ae> .