Preprint
Aug 2026
LineageRAG: Harnessing GraphRAG by Constructing Evidence Lineages with Source Grounding
The proposed LineageRAG is a graph-based Retrieval-Augmented Generation method, which constructs one evidence for each query-derived evidence demand and completes it with a verbatim source span when the selected evidence supports that demand.
Linyao Zheng, Xuhang Shi, Zhifang Mao et al.
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