advancedSpring AI — Core, ChatClient & RAG
What is query rewriting (RewriteQueryTransformer)? Why does it improve RAG quality?
Conversational follow-up queries ("what about its price?") are ambiguous to a vector search on their own. RewriteQueryTransformer uses an LLM to turn them into standalone, specific queries first; MultiQueryExpander generates several variants to improve recall — both plug into RetrievalAugmentationAdvisor.
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