CIM/CGMES in Real-time Knowledge Graphs for Modern Grid Control Systems
summary
A production-grade RDF-based control platform is already running: Apache Jena-backed in-memory SPARQL servers expose a single SPARQL/SHACL interface used for control-room UIs, calculations and model exchange; named graphs plus append-only delta streams give git-like versioning with snapshots, branching and time travel; a redispatch server for 35-TSO, 24-hour scenarios keeps the whole Europe run in ~12 GB RAM by materializing a base hour plus deltas; ingestion reaches 300,000 triple updates per second and binary stores using Jelly RDF cut size and read/write time dramatically; tooling includes RDFArchitect and OpenCGMES, and Jelly SPARQL is forthcoming.
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chapters (11)
- 0:00Introduction and vision
- 3:41Real-time RDF architecture
- 6:19System architectures overview
- 11:02Hurdles in schema and queries
- 16:34Developer tools for Sparkle
- 18:05Named graphs and domain separation
- 20:17Versioning and delta graphs
- 22:52Performance and binary formats
- 25:22Open-source contributions
- 25:42Key takeaways summary
- 26:30Q&A session
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