Chapter 8 of 23 · Level 3 · Giving Models Knowledge (RAG)

Advanced Retrieval

Hybrid search, reranking, metadata filtering, and query rewriting for a real retrieval pipeline.

This chapter is taught inside another chapter's unit.

RAG Is a Search Problem Wearing an AI Costume

RAG lets a model answer from your data without retraining. But RAG is a search problem in disguise, and it fails exactly where search fails, not where AI fails. Here is the whole retrieval pipeline, including the parts everyone skips.

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