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Cyril Xu

Scientist by training, developer by choice.

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London, UK

🏷️#vector database

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What Is RAG?

Understanding Retrieval-Augmented Generation — how combining search with LLMs creates more accurate, grounded AI systems.

February 22, 20263 min read
RAGLLMsVector DatabaseNLP

© 2026 Cyril Xu. Built as a growing notebook.