Jaehyung Seo
1 indexed paper
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126
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AI×1Info Retrieval×1
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2026
HiKEY: Hierarchical Multimodal Retrieval for Open-Domain Document Question Answering
HiKEY proposes a hierarchical, tree-based multimodal retrieval framework that significantly improves open-domain document question answering by addressing document routing and evidence fragmentation.
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Papers
cs.AIcs.IRRecentMay 28, 2026
HiKEY: Hierarchical Multimodal Retrieval for Open-Domain Document Question Answering
Joongmin Shin, Gyuho Shim, Jeongbae Park, Jaehyung Seo +1 more
HiKEY proposes a hierarchical, tree-based multimodal retrieval framework that significantly improves open-domain document question answering by addressing document routing and evidence fragmentation.
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