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Yiwen Li

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#artificial intelligence Preprint Aug 2026

SEPO: Evidence-Grounded Prompt Optimization via Structural Editing

This paper introduces SEPO (Structural, Evidence-grounded Prompt Optimization), a multi-trajectory prompt optimiser centred on edit-effect lineage feedback that makes prompt optimisation addressable, attributable, and actionable.

Xiaoyu Ma, Haoyue Liu, Yiwen Li et al. · 0 citations