@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/639fc339-693a-41c9-aea1-dd60d81ea2e0> rdfs:isDefinedBy <https://stad.gent/data/blank_node/639fc339-693a-41c9-aea1-dd60d81ea2e0> .