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cs.LG2026
Nonlinear Axiomatic Attribution for Cooperative Games
Weida Li, Zhuanghua Liu, Yaoliang Yu +1
The Shapley value is a widely used concept in attribution problems, as it uniquely satisfies the axioms of linearity, consistency, equal treatment, and efficiency. Often, the inclu…
cs.LG2026
Adalina: Adaptive Linear Approximation for the Shapley Value and Beyond
Weida Li, Yaoliang Yu, Bryan Kian Hsiang Low
The Shapley value, and its broader family of semi-values, has received much attention in various attribution problems. A fundamental and long-standing challenge is their efficient…
cs.LG2026
TreeGrad-Ranker: Feature Ranking via -Time Gradients for Decision Trees
Weida Li, Yaoliang Yu, Bryan Kian Hsiang Low
We revisit the use of probabilistic values, which include the well-known Shapley and Banzhaf values, to rank features for explaining the local predicted values of decision trees. T…