Unverified50% confidenceSolutionExact time
A practical RAG technique is to first have the model write out a plausible answer and then search in the vicinity of that hypothetical answer to improve recall quality
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10/5/2026
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VerifiedThe core idea of RAG is to retrieve relevant information from an external knowledge base as context to inject into the prompt before the large model generates a response.79% similarVerifiedRAG effectively mitigates the two major problems of large language models—knowledge cutoff and hallucination—by forcing the model to extract answers from trusted documents.78% similarUnverifiedIn traditional RAG, once vector retrieval returns irrelevant passages, the model still generates a seemingly plausible answer, which is a breeding ground for hallucinations.76% similarUnverifiedRAG工作流通常涉及两类模型：嵌入模型（将文本转换为向量用于相似度检索）和对话大模型（综合检索结果生成答案）73% similar
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