Designing Trustworthy RAG Systems. Part One: A Step By Step Waterfall Evaluation Approach Jan 27, 2026 Learn how to evaluate RAG systems in production using a waterfall framework with retrieval checks, faithfulness validation, and relevance scoring. Includes practical methods like NLI, RAGAS, and LLM-as-judge. [read more]
Batch Vector Search with PgVector and PostgreSQL Using Cross Lateral Joins Sep 15, 2025 This guide reveals how to use a CROSS Lateral join for batch vector search with PSQL PostgreSQL and PgVector. We break down the SQL magic, compare it to the UNION ALL approach, and show you how to improve the efficiency of your PGVector searches for RAG applications. [read more]
Get ready for your Chevening Application π : A Collection of useful resources.π Aug 6, 2025 A collection of different resources: blog posts and videos that will help you to prepare for your chevening application. π #Chevening #Scholarship #StudyInUK [read more]