A two-stage prompt optimization framework combining reasoning-guided search with gradient-guided refinement via GradPO reaches state-of-the-art on FS-TACRED using Qwen3-4B.
Preprint, arXiv:2602.00997
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Two-Stage Prompt Optimization for Few-Shot Relation Extraction: From Reasoning-Guided Search to Gradient-Guided Refinement
A two-stage prompt optimization framework combining reasoning-guided search with gradient-guided refinement via GradPO reaches state-of-the-art on FS-TACRED using Qwen3-4B.