@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/a21d15f2-da4a-4d66-9e19-b20ffc46bccf> rdfs:isDefinedBy <https://stad.gent/data/blank_node/a21d15f2-da4a-4d66-9e19-b20ffc46bccf> .