@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <https://stad.gent/id/blank_node/ef61fb4b-f0f0-4ac3-8f81-cfbd82bc9eb6> rdfs:isDefinedBy <https://stad.gent/data/blank_node/ef61fb4b-f0f0-4ac3-8f81-cfbd82bc9eb6> .