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高级检索增强生成系统:LongRAG、Self-RAG 和 GraphRAG 的实现与选择
检索增强生成(RAG)早已不是简单的向量相似度匹配加 LLM 生成这一套路。LongRAG、Self-RAG 和 GraphRAG 代表了当下工程化的技术进展,它们各可以解决不同的实际问题。 传统 RAG 的核心限制 标准的 RAG 流程大概是这样的:把文档分割成小块、向量化、通过余弦相似度 ...
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