@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/81f74484-1439-48ba-b409-7cd62ec912ed> rdfs:isDefinedBy <https://stad.gent/data/blank_node/81f74484-1439-48ba-b409-7cd62ec912ed> .