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Knowledge AI RAG March 31, 2026

RAG Overview

A visual overview of retrieval, ranking, and generation flow in a RAG pipeline.

This post is a high-level sketch of a retrieval-augmented generation pipeline. The focus is structural: what the major steps are, how retrieval and ranking fit together, and where generation actually happens.

RAG Overview

What It Covers

  • query handling
  • retrieval and ranking stages
  • prompt assembly
  • model generation
  • how these pieces relate in one pipeline

I use this kind of sketch as a quick mental model before getting into implementation detail.

Thanks for reading.

© 2026 Alan Wang