Practical Clean Architecture backend example built with FastAPI. No stateful globals (DI), low coupling (DIP), tactical DDD, CQRS, proper UoW usage. REST API, per ...

A self-correcting RAG system built with LangGraph. Routes queries, grades retrieval, rewrites failed queries (HyDE), and checks hallucinations — implementing ideas from CRAG / Self-RAG / Adaptive-RAG ...

Correspondence to: Dr S R Jones, Emergency Department, Manchester Royal Infirmary, Oxford Road, Manchester M13 9WL, UK; steve.r.jones{at}bigfoot.com ...