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Hongzi Mao

4 accepted papers

2020

High-Dimensional Contextual Policy Search with Unknown Context Rewards using Bayesian Optimization

NeurIPS 2020spotlight

Contextual policies are used in many settings to customize system parameters and actions to the specifics of a particular setting. In some real-world settings, such as randomized controlled trials or A/B tests, it may not be possible to measure policy outcomes at the level of context—we observe only…

2019

Park: An Open Platform for Learning-Augmented Computer Systems

NeurIPS 2019poster

We present Park, a platform for researchers to experiment with Reinforcement Learning (RL) for computer systems. Using RL for improving the performance of systems has a lot of potential, but is also in many ways very different from, for example, using RL for games. Thus, in this work we first disc…

2019

Variance Reduction for Reinforcement Learning in Input-Driven Environments

ICLR 2019poster

We consider reinforcement learning in input-driven environments, where an exogenous, stochastic input process affects the dynamics of the system. Input processes arise in many applications, including queuing systems, robotics control with disturbances, and object tracking. Since the state dynamics a…

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