@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> . @prefix skos: <http://www.w3.org/2004/02/skos/core#> . <https://stad.gent/id/blank_node/3258a855-679a-44c9-8373-73b866f53136> rdf:type skos:Concept ; <http://www.cidoc-crm.org/cidoc-crm/P2_has_type> <http://vocab.getty.edu/aat/300379798> , <https://www.projectcest.be/wiki/Publicatie:Invulboek_objecten/Veld/Term_materials> .