Faculty Profiles - ZHANG Jiheng | The Hong Kong University of Science and Technology

2024 5

Improving Blockchain Consistency Bound by Assigning Weights to Random Blocks

Operations Research, July 2024
Gong, Xueping; Zhang, Qing; Li, Huizhong; Zhang, Jiheng
Article

On-Demand Ride-Matching in a Spatial Model with Abandonment and Cancellation

Operations Research, v. 72, (3), May 2024, p. 1278-1297
Wang, Guangju; Zhang, Hailun; Zhang, Jiheng
Article

Routing and Staffing in Customer Service Chat Systems with Generally Distributed Service and Patience Times

Manufacturing & Service Operations Management, June 2024
Long, Zhenghua; Tezcan, Tolga; Zhang, Jiheng
Article

RL in Markov Games with Independent Function Approximation: Improved Sample Complexity Bound under the Local Access Model

Proceedings of Machine Learning Research, v. 238, May 2024, p. 2035-2043
Fan, Junyi; Han, Yuxuan; Zeng, Jialin; Cai, Jianfeng; Wang, Yang; Xiang, Yang; Zhang, Jiheng
Conference paper

Single-Trajectory Distributionally Robust Reinforcement Learning

Proceedings of Machine Learning Research, v. 235, 2024, p. 29644-29666
Liang, Zhipeng; Ma, Xiaoteng; Blanchet, Jose; Yang, Jun; Zhang, Jiheng; Zhou, Zhengyuan
Conference paper

2023 6

Blockchain Operations in the Presence of Security Concerns

Manufacturing & Service Operations Management, v. 25, (3), May 2023, p. 1117-1135
He, Jiahao; Zhang, Guangyuan; Zhang, Jiheng; Zhang, Rachel Quan
Article

Technical Note-Asymptotically Optimal Control of Omnichannel Service Systems with Pick-up Guarantees

Operations Research, April 2023, p. 1-10
Gao, Xuefeng; Huang, Junfei; Zhang, Jiheng
Article

The Generalized c/μ Rule for Queues with Heterogeneous Server Pools

Operations Research, May 2023
Long, Zhenghua; Zhang, Hailun; Zhang, Jiheng; Zhang, Zhe George
Article

Achieving Near-optimal Regrets in Confounded Contextual Bandits

Proceedings of the International Joint Conference on Autonomous Agents and Multiagent Systems, AAMAS, v. 2023-May, May 2023, p. 2643-2645
Gong, Xueping; Zhang, Jiheng
Conference paper

Debiasing Recommendation by Learning Identifiable Latent Confounders

Proceedings of the ACM SIGKDD International Conference on Knowledge Discovery and Data Mining, August 2023, p. 3353-3363
Zhang, Qing; Zhang, Xiaoying; Liu, Yang; Wang, Hongning; Gao, Min; Zhang, Jiheng; Guo, Ruocheng
Conference paper

Optimal Contextual Bandits with Knapsacks under Realizability via Regression Oracles

Proceedings of Machine Learning Research, v. 206, 2023, p. 5011-5035
Han, Yuxuan; Zeng, Jialin; Wang, Yang; Xiang, Yang; Zhang, Jiheng
Conference paper

2022 3

Approximations and Optimal Control for State-Dependent Limited Processor Sharing Queues

Stochastic Systems, v. 12, (2), June 2022, p. 205-225
Gupta, Varun; Zhang, Jiheng
Article

Simulating Multi-Asset Classes Prices Using Wasserstein Generative Adversarial Network: A Study of Stocks, Futures and Cryptocurrency

Journal of Risk and Financial Management, v. 15, (1), January 2022, article number 26
Han, Feng; Ma, Xiaojuan; Zhang, Jiheng
Article

A Reduction from Linear Contextual Bandits Lower Bounds to Estimations Lower Bounds

Proceedings of the International Conference on Machine Learning, v. 162, July 2022, p. 8660-8677
He, Jiahao; Zhang, Jiheng; Zhang, Rachel Quan
Conference paper

2021 2

Consensus mechanism design based on structured directed acyclic graphs

Blockchain: Research and Applications, v. 2, (1), March 2021, article number 100011
He, Jiahao; Wang, Guanju; Zhang, Guangyuan; Zhang, Jiheng
Article

Generalized Linear Bandits with Local Differential Privacy

Advances in Neural Information Processing Systems, v. 34, December 2021, p. 26511-26522
Han, Yuxuan; Liang, Zhipeng; Wang, Yang; Zhang, Jiheng
Conference paper

2020 3

Dynamic Scheduling of Multiclass Many-Server Queues with Abandonment: The Generalized c mμ/h Rule

Operations Research, v. 68, (4), July-August 2020, p. 1218-1230
Long, Zhenghua; Shimkin, Nahum; Zhang, Hailun; Zhang, Jiheng
Article

Online Demand Fulfillment Under Limited Flexibility

Management Science, v. 66, (10), October 2020, p. 4667-4685
Xu, Zhen; Zhang, Hailun; Zhang, Jiheng; Zhang, Rachel Quan
Article

Simple Policies with Provable Bounds for Managing Perishable Inventory

Production and Operations Management, v. 29, (11), November 2020, p. 2637-2650
Zhang, Hailun; Zhang, Jiheng; Zhang, Rachel Quan
Article

2019 2

A Note on Many-Server Fluid Models with Time-Varying Arrivals

Probability in the Engineering and Informational Sciences, v. 33, (3), July 2019, p. 417-437
Long, Zhenghua; Zhang, Jiheng
Article

Instantaneous Control of Brownian Motion with a Positive Lead Time

Mathematics of Operations Research, v. 44, (3), August 2019, p. 943-965
Xu, Zhen; Zhang, Jiheng; Zhang, Rachel Quan
Article

2018 1

Management of a Shared-Spectrum Network in Wireless Communications

Operations Research, v. 66, (4), July 2018, p. 1119-1135
Wu, Shining; Zhang, Jiheng; Zhang, Rachel Quan
Article

2017 2

Heavy-traffic Approximations for a Layered Network with Limited Resources

Probability and Mathematical Statistics, v. 37, (2), 2017, p. 497-532
Aveklouris, Angelos; Vlasiou, Maria; Zhang, Jiheng; Zwart, Bert
Article

Refined Models for Efficiency-driven Queues with Applications to Delay Announcements and Staffing

Operations Research, v.65, (5), September 2017, p. 1380-1397
Huang, Junfei; Mandelbaum, Avishai; Zhang, Hanqin; Zhang, Jiheng
Article

2016 1

A Unified Approach to Diffusion Analysis of Queues with General Patience-Time Distributions

Mathematics of Operations Research, v. 41, (3), August 2016, p. 1135-1160
Huang, Junfei; Zhang, Hanqin; Zhang, Jiheng
Article

2015 1

The impact of slow ocean steaming on delivery reliability and fuel consumption

Transportation Research Part E: Logistics and Transportation Review, v. 76, April 2015, p. 176-190
Lee, Chung-yee; Lee, Hau L.; Zhang, Jiheng
Article

2014 3

Convergence to equilibrium states for fluid models of many-server queues with abandonment

Operations Research Letters, v. 42, (6-7), September 2014, p. 388-393
Long, Zhenghua; Zhang, Jiheng
Article

Routing and Staffing in Customer Service Chat Systems with Impatient Customers

Operations Research, v. 62, (4), July 2014, p. 943-956
Tezcan, Tolga; Zhang, Jiheng
Article

Scaling and Modeling of Call Center Arrivals

Proceedings - Winter Simulation Conference, v. 2015-January, January 2015, article number 7019913, p. 476-485
Zhang, Xiaowei; Hong, L. Jeff; Zhang, Jiheng
Conference paper

2013 2

Fluid Models of Many-server Queues with Abandonment

Queueing Systems, v. 73, (2), February 2013, p. 147-193
Zhang, Jiheng
Article

Staffing and Control of Instant Messaging Contact Centers

Operations Research, v. 61, (2), March 2013, p. 328-343
Luo, Jun; Zhang, Jiheng
Article

2012 1

Separation of Timescales in a Two-Layered Network

2012 24th International Teletraffic Congress (ITC 24), October 2012, article number 6331834, p. 185-192
Vlasiou, Maria; Zhang, Jiheng; Zwart, Bert; Van der Mei, Rob
Conference paper

2011 1

Diffusion Limits of Limited Processor Sharing Queues

Annals of Applied Probability, v. 21, (2), April 2011, p. 745-799
Zhang, Jiheng; Dai, J.G.; Zwart, Bert
Article

2010 2

Numerical Characterization of Porous Solids and Performance Evaluation of Theoretical Models via the Precorrected-FFT Accelerated BEM

CMES: Computer Modeling in Engineering & Sciences, v. 55, (1), 2010, p. 33-60
Yan, Zaiyou; Zhang, Jiheng; Ye, Wenjing; Yu, Tongxi
Article

Rapid solution of 3-D oscillatory elastodynamics using the pFFT accelerated BEM

Engineering Analysis with Boundary Elements, v. 34, (11), November 2010, p. 956-962
Yan, Zaiyou; Zhang, Jiheng; Ye, Wenjing
Article

2009 1

Law of Large Number Limits of Limited Processor-Sharing Queues

Mathematics of Operations Research, v. 34, (4), November 2009, p. 937-970
Zhang, Jiheng; Dai, J.G.; Zwart, Bert
Article

2008 1

Steady State Approximations of Limited Processor Sharing Queues in Heavy Traffic

Queueing Systems, v. 60, (3-4), December 2008, p. 227-246
Zhang, Jiheng; Zwart, Bert
Article

IEDA1010	Academic and Professional Development I
IEDA1020	Academic and Professional Development II

IEDA1010	Academic and Professional Development I
IEDA1020	Academic and Professional Development II
IEDA4920	Decision Analytics Final Year Project
IEDA4960	Industrial Engineering and Engineering Management Final Year Project

IEDA1010	Academic and Professional Development I
IEDA1020	Academic and Professional Development II
IEDA4920	Decision Analytics Final Year Project
IEDA4960	Industrial Engineering and Engineering Management Final Year Project

Research Interest

Publications

2024 5

2023 6

2022 3

2021 2

2020 3

2019 2

2018 1

2017 2

2016 1

2015 1

2014 3

2013 2

2012 1

2011 1

2010 2

2009 1

2008 1

Article 3

Conference paper 2

Article 3

Conference paper 3

Article 2

Conference paper 1

Article 1

Conference paper 1

Article 3

Article 2

Article 1

Article 2

Article 1

Article 1

Article 2

Conference paper 1

Article 2

Conference paper 1

Article 1

Article 2

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Article 1

2018 1

2017 2

2016 1

2015 1

2014 3

2013 2

2012 1

2011 1

2010 2

2009 1

2008 1

Teaching Assignment

Research Postgraduate (RPG) Supervision

From January 2021 to December 2024 (As of 21 November 2024)

Current RPGs

Graduated RPGs

Projects

From January 2022 to December 2024

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