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2026 RAG 选型指南:Vector、Graph、Vectorless 该怎么挑
检索找到了某个语义上接近的片段,LLM 围绕它写出一段文字,但是没人发现答案是错的。这是 vector RAG 调参解决不了的失败问题。而现在有2种方法可以解决他: GraphRAG 增加了一层 knowledge graph,用来描绘实体之间的关系。 Vectorless RAG 完全抛弃向量数据库,让 LLM ...
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