QuadraSHAP: $\epsilon$-Exact Shapley Values for Product Games in Logarithmic Parallel Time
QuadraSHAP is introduced, a method for $\epsilon$-exact Shapley computation in product games, cooperative games whose coalition values factorize across players, and extends to weighted sums of product games, supporting baseline and empirical interventional attribution across a broad class of models.
Majid Mohammadi, Grigory Reznikov, Pavel Sinitcyn et al.
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