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English(EN) Hierarchical Abstract Tree for Cross-Document Retrieval-Augmented Generation

新的Psi-RAG框架改进了LLM的跨文档检索

研究人员引入了$\Psi$-RAG,一个旨在改进跨文档问答的检索增强生成(RAG)的新框架。这种新方法通过采用迭代合并和折叠过程来构建层次抽象树索引,解决了现有基于树的RAG方法的局限性,如结构隔离和粗粒度抽象。$\Psi$-RAG还具有一个多粒度检索代理,可增强查询处理并利用混合检索器。该框架在跨文档多跳QA基准测试中表现出显著的性能提升,比RAPTOR提高了25.9%,比HippoRAG 2提高了7.4%。 AI

影响 增强了LLM的跨文档检索能力,有望改进复杂的问答系统。

排序理由 这是一篇介绍检索增强生成新框架的研究论文。

在 arXiv cs.AI 阅读 →

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新的Psi-RAG框架改进了LLM的跨文档检索

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这是一篇介绍检索增强生成新框架的研究论文。
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报道来源 [2]

  1. arXiv cs.LG TIER_1 English(EN) · Ziwen Zhao, Menglin Yang ·

    面向跨文档检索增强生成的层级抽象树

    arXiv:2605.00529v1 Announce Type: new Abstract: Retrieval-augmented generation (RAG) enhances large language models with external knowledge, and tree-based RAG organizes documents into hierarchical indexes to support queries at multiple granularities. However, existing Tree-RAG m…

  2. arXiv cs.AI TIER_1 English(EN) · Menglin Yang ·

    用于跨文档检索增强生成的层级抽象树

    Retrieval-augmented generation (RAG) enhances large language models with external knowledge, and tree-based RAG organizes documents into hierarchical indexes to support queries at multiple granularities. However, existing Tree-RAG methods designed for single-document retrieval fa…