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Yiman Zhong

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Preprint Aug 2026

SkillShapley: Boundary-Adaptive Shapley Valuation for Skill Step Attribution in LLM Agents

The proposed SkillShapley operates in two phases, motivated by key empirical insights, i.e., discretized benchmark rewards that create sharp performance cliffs, and step interactions that are largely additive rather than synergistic.

Chang Liu, Yu-Quan Zhang, Yiman Zhong et al. · 0 citations