We study off-policy evaluation (OPE) in the problem of slate contextual bandits where a
policy selects multi-dimensional actions known as slates. This problem is widespread in …

We consider a model of learning and evolution in games whose action sets are endowed
with a partition-based similarity structure intended to capture exogenous similarities …

Because logged data has become ubiquitous in wide-range applications and since
onlineexploration may be sensitive, counterfactual methods have gained significant …