Search Results for author: Pengyi Shi

Found 6 papers, 0 papers with code

Data-pooling Reinforcement Learning for Personalized Healthcare Intervention

no code implementations16 Nov 2022 Xinyun Chen, Pengyi Shi, Shanwen Pu

Motivated by the emerging needs of personalized preventative intervention in many healthcare applications, we consider a multi-stage, dynamic decision-making problem in the online setting with unknown model parameters.

Decision Making Management +2

Group-Aware Threshold Adaptation for Fair Classification

no code implementations NeurIPS 2021 Taeuk Jang, Pengyi Shi, Xiaoqian Wang

As we only need an estimated probability distribution of model output instead of the classification model structure, our post-processing model can be applied to a wide range of classification models and improve fairness in a model-agnostic manner and ensure privacy.

Classification Fairness

An Efficient Pessimistic-Optimistic Algorithm for Stochastic Linear Bandits with General Constraints

no code implementations NeurIPS 2021 Xin Liu, Bin Li, Pengyi Shi, Lei Ying

Thus, the overall computational complexity of our algorithm is similar to that of the linear UCB for unconstrained stochastic linear bandits.

POND: Pessimistic-Optimistic oNline Dispatching

no code implementations20 Oct 2020 Xin Liu, Bin Li, Pengyi Shi, Lei Ying

This paper considers constrained online dispatching with unknown arrival, reward and constraint distributions.

Robustness-Driven Exploration with Probabilistic Metric Temporal Logic

no code implementations3 Dec 2019 Xiaotian Liu, Pengyi Shi, Sarra Alqahtani, Victor Paúl Pauca, Miles Silman

However, algorithms for autonomous exploration often focus on optimizing time and coverage in a greedy fashion.

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