Research
Last Updated - 2025 August
Working Papers
* = corresponding author
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Du Chen, Youhua (Frank) Chen, Geoffrey A. Chua. Design and Analysis of Algorithms for Privacy-Aware Online Allocation under Heterogeneous Privacy Expectations
In final preparation for submission to Operations Research. Manuscript available upon request. -
Du Chen, Geoffrey A. Chua, Victor Richmond R. Jose*. Joint Differential Privacy for Resource Allocation: Protection Capability, Price of Privacy, Algorithm Design, and Policy Implications [Preprint]
Under 2nd-round review at Management Science
🏆 Winner: Singapore Rising Scholars Conference 2025 Best Paper Award -
Du Chen, Geoffrey A. Chua*. An Algorithmic Approach to Managing Supply Chain Data Security: The Differentially Private Newsvendor [Preprint]
Under Minor Revision at Operations Research
Publications
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Du Chen*, Geoffrey A. Chua. Exploiting Hidden Symmetry to Improve Objective Perturbation for DP Linear Learners with a Nonsmooth L1-Norm [Paper]
The Thirteenth International Conference on Learning Representations (ICLR 2025) -
Du Chen*, Geoffrey A. Chua. Noisy Dual Mirror Descent: A Near Optimal Algorithm for Jointly-DP Convex Resource Allocation [Paper]
The Thirty-eighth Annual Conference on Neural Information Processing Systems (NeurIPS 2024) -
Du Chen*, Geoffrey A. Chua. Differentially Private Stochastic Convex Optimization under a Quantile Loss Function [Paper]
Proceedings of the 40th International Conference on Machine Learning (ICML 2023)
Publications prior to my Ph.D. can be found here.
Research Grants
I have drafted some research grant proposals on privacy-aware operations
- Managing Data Security in Supply Chains: Algorithmic Approaches and Economic Implications
PI: Geoffrey A. Chua
The Ministry of Education Singapore, Academic Research Fund, Tier 1, Grant No. RG117/23, 2024-2027
Professional Service
Reviewer for:
- ICLR (2025)
- NeurIPS (2025)