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INKER: Adaptive dynamic retrieval augmented generation with internal-external knowledge integration

delete2025-12-18
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PRE
AI
M
Mingjun Zhou
J
Jiuyang Tang
W
Weixin Zeng *
X
Xiang Zhao
DOI:10.1016/j.ipm.2025.104534delete
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摘要

摘要

En 中文
自适应动态检索增强生成(RAG)范式动态确定大型语言模型(LLM)在生成过程中是否需要激活检索步骤,并据此制定适当的检索查询。该范式包含两个关键组件:确定激活检索模块的最佳时机(何时检索)以及检索被触发后制定适当的查询(检索什么)。然而,现有的自适应动态RAG方法依赖LLM的内部知识来触发检索过程并制定检索查询,很大程度上忽视了外部查询知识的重要性。这导致检索时机不可靠,且无法检索真正相关的文档。为克服这些局限性,我们引入了一种新的自适应动态RAG框架,基于内部-外部知识整合的检索(INKER),该框架整合LLM文本生成过程中涉及的内部和外部知识,以决定何时检索以及检索什么。在2WikiMultihopQA、HotpotQA、StrategyQA和Natural Questions(NQ)上的实验表明,INKER在准确率方面优于六种先进的RAG方法,同时平均将检索频率降低了约40%,验证了INKER及其组件的有效性。

期刊

I
Information Processing and Management
IF:
6.9
论文数:
5.2K
被引数:
1.4W

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