نسخة أولية وصول مفتوح
Budgeted Multi-Source Counterfactual Annotation for Off-Policy Evaluation
Off-policy evaluation (OPE) estimates the value of a target policy from logged data, but limited behavior-policy coverage can force high-variance reweighting or reward-model extrapolation. Counterfactual annotations can add evidence about unobserved actions, yet practical sources, including domain experts and large lan …