What is query transformation in RAG (HyDE, query decomposition, step-back prompting)?

MediumRAG and Vector DatabasesConceptual10 min Save for later

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Explain query transformation techniques in RAG: rewriting, multi-query, HyDE, decomposition and step-back prompting. When does each help, and what are the costs?

What is query transformation in RAG (HyDE, query decomposition, step-back prompting)?

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