RAG & Knowledge Bases
Lesson 5 of 6
0%Lesson 5
20 min
Retrieval Strategies: Dense, Sparse, and Hybrid Search
Quick Summary
Dense search compares meaning, sparse search matches terms, and hybrid search combines them. Reranking can then reorder candidates using a more detailed relevance model.
What you will learn
- Distinguish dense, sparse, and hybrid retrieval
- Explain filters and reranking
- Choose a strategy from observed query failures
Advanced Content
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