@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/b81a0ae4-590f-4030-bbe3-2c7c9bd628b8> rdfs:isDefinedBy <https://stad.gent/data/blank_node/b81a0ae4-590f-4030-bbe3-2c7c9bd628b8> .