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Cyril Xu

Scientist by training, developer by choice.

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London, UK

🏷️#nlp

2 posts with this tag.

What IsBeginner

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
What IsBeginner

What Is a Transformer?

A beginner-friendly explanation of the Transformer architecture that powers modern AI — from attention mechanisms to why it changed everything.

February 20, 20263 min read
TransformersNLPDeep LearningLLMs

© 2026 Cyril Xu. Built as a growing notebook.