demonstrator is a MatPortal dataset catalogue entry listed under KupferDigital, catalogued under source association source record. It includes 4 linked resources with formats such as text/turtle, application/octet-stream, SPARQL, turtle, including RDF, sparql. Review the linked source for license and reuse conditions. The original short source note was: demonstrator. It is published in MatPortal by admin for dataset discovery, linked-data browsing, and assistant/RAG indexing.