Research

Preprints

Estimation of Treatment Effects under Nonstationarity via the Truncated Policy Gradient Estimator [Code]
Ramesh Johari, Tianyi Peng, Wenqian Xing
Short version at NeurIPS 2025 ML×OR Workshop

Online Learning for Dynamic Service Mode Control
Wenqian Xing, Yue Hu, Anand Kalvit, Vahid Sarhangian
Short version at NeurIPS 2025 ML×OR Workshop

Generalized Hypercube Queueing Models with Overlapping Service Regions
Wenqian Xing, Shixiang Zhu, Yao Xie
First Place, Clifford Spiegelman Student Paper Competition, JSM 2026

Optimizing Server Locations in Spatial Queues: Parametric and Non-parametric Bayesian Optimization Approaches
Cheng Hua, Arthur J. Swersey, Wenqian Xing, Yi Zhang

Publications

Conservative Inference in Switchback Experiments
Jose Blanchet, Peter W. Glynn, Ramesh Johari, Linjia Wu, Wenqian Xing
AISTATS 2026

Black-Box Optimization with Implicit Constraints for Public Policy [Code]
Wenqian Xing, JungHo Lee, Chong Liu, Shixiang Zhu
Oral Paper, AAAI Conference on Artificial Intelligence 2025
Refereed Paper, INFORMS Optimization Society Conference 2024

Multi-Priority Patient Transfer Under Ambulance Offload Delay
Wenqian Xing, Cheng Hua
Production and Operations Management 2025
Finalist, Best Student Paper Competition, POMS International Conference 2024
Second Place, Best Student Paper Competition, INFORMS Conference on Service Science 2021

Optimal Unit Locations in Emergency Service Systems with Bayesian Optimization
Wenqian Xing, Cheng Hua
Finalist, Best Paper Competition, INFORMS Conference on Service Science 2022
Finalist, Best Student Paper Competition, POMS International Conference 2022

NuSC: An Effective Local Search Algorithm for Solving the Set Covering Problem [Code]
Chuan Luo, Wenqian Xing, Shaowei Cai, Chunming Hu
IEEE Transactions on Cybernetics 2022

Predictive Job Scheduling under Uncertain Constraints in Cloud Computing [Code]
Hang Dong, Boshi Wang, Bo Qiao, Wenqian Xing, Chuan Luo et al.
International Joint Conferences on Artificial Intelligence 2021

Correlation-aware Heuristic Search for Intelligent Virtual Machine Provisioning in Cloud Systems
Chuan Luo, Bo Qiao, Wenqian Xing, Xin Chen et al.
AAAI Conference on Artificial Intelligence 2021