Notes from Ground Control
Engineering notes on self-hosted knowledge graphs, GraphRAG, sovereign AI memory, and what it takes to run AI in regulated environments.
5 August 2026
EU AI Act for RAG Deployments: What Actually Applies Since August 2026
Article 50 transparency is enforceable since 2 August 2026, while high-risk duties moved to 2027. A practical checklist for teams running RAG and AI memory in the EU.
3 August 2026
The Real Cost of Metered AI Memory (and Why We Refuse to Count Tokens)
Cloud memory platforms charge around $2.50 per million tokens after a small free grant. The arithmetic looks harmless - until you run a real team's workload through it.
1 August 2026
Self-Hosted RAG in 2026: Why Serious Teams Are Moving On-Prem
Data sovereignty, predictable cost, and EU compliance are pushing RAG workloads back on-prem. What self-hosting actually takes, and what you get for it.
30 July 2026
GraphRAG vs. Vector RAG: When a Knowledge Graph Beats Top-k
Vector search answers "what sounds similar" - a knowledge graph answers "what is actually connected". Where plain RAG breaks, and when GraphRAG is worth it.