Ru Peng
1 indexed paper
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126
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AI×1
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2026
From "Weak" Signals to Strong Models: Preference Delta Aggregation with LoRA Merging
The paper proposes Preference Delta Aggregation (PDA), a framework that aggregates multiple weak preference signals derived from smaller model pairs using LoRA merging to significantly boost the performance of a strong large language model.
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Papers
cs.AIRecentMay 29, 2026
From "Weak" Signals to Strong Models: Preference Delta Aggregation with LoRA Merging
Qi Sun, Siyue Zhang, Yulin Chen, Yuxiang Xue +2 more
The paper proposes Preference Delta Aggregation (PDA), a framework that aggregates multiple weak preference signals derived from smaller model pairs using LoRA merging to significantly boost the perfo…
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