LERA: LLM-Enhanced RAG for Ad Auction in Generative Chatbots
Haoran Sun, Xinrui Song, Xinyu Zhang, Zhaohua Chen, Xu Chu, Zhilin Zhang, Chuan Yu, Jian Xu, Bo Zheng, Xiaotie Deng
ICML 2026 Workshop on New Frontiers in Game-Theoretic Learning (NExT-GAME)
arXiv: 2605.16474

Pareto-Efficient Multi-Buyer Mechanisms: Characterization, Fairness and Welfare
(αβ) Moshe Babaioff, Sijin Chen, Zhaohua Chen, and Yiding Feng
EAAMO 2026
arXiv: 2602.11967

Budget-Constrained Auctions with Unassured Reports: Strategic Equivalence and Structural Properties
Zhaohua Chen, Mingwei Yang, Chang Wang, Jicheng Li, and Xiaotie Deng
Major revision at Management Science
EC 2025 Workshop on Frontiers of Online Advertising (Spotlight)
Preliminary conference version appeared in WWW 2024

On Tightness of Tsaknakis-Spirakis Descent Methods for Approximate Nash Equilibria
(αβ) Zhaohua Chen, Xiaotie Deng, Wenhan Huang, Hanyu Li, and Yuhao Li
Information and Computation
doi: 10.1016/j.ic.2023.105046

An Efficient and Robust Committee Structure for Sharding Blockchain
Mengqian Zhang*, Jichen Li*, Zhaohua Chen*, Hongyin Chen*, and Xiaotie Deng
IEEE Transactions on Cloud Computing
doi: 10.1109/TCC.2022.3217856

A Provable Softmax Reputation-based Protocol for Permissioned Blockchains
(αβ) Hongyin Chen*, Zhaohua Chen*, Yukun Cheng, Xiaotie Deng, Wenhan Huang, Jichen Li, Hongyi Ling*, and Mengqian Zhang
IEEE Transactions on Cloud Computing
doi: 10.1109/TCC.2021.3130244

Ad Insertion in LLM-generated Responses
Shengwei Xu*, Zhaohua Chen*, Xiaotie Deng, Zhiyi Huang, and Grant Schoenebeck
Workshop on Agentic and Generative AI for E-Commerce (GenAI-eCom) 2026 (Oral)
Marketplace Innovation Workshop (MIW) 2026
EC 2025 Workshop on Frontiers of Online Advertising (Spotlight)
arXiv: 2601.19435

Contextual Decision-Making with Knapsacks Beyond the Worst Case
Zhaohua Chen, Rui Ai, Mingwei Yang, Yuqi Pan, Chang Wang, and Xiaotie Deng
NeurIPS 2024
arXiv: 2211.13952

Are Bounded Contracts Learnable and Approximately Optimal?
(αβ) Yurong Chen, Zhaohua Chen, Xiaotie Deng, and Zhiyi Huang
EC 2024
EC 2025 Workshop on Online Learning and Economics
doi: 10.1145/3670865.3673483
arXiv: 2402.14486

Robust Decision Aggregation with Second-order Information
Yuqi Pan, Zhaohua Chen, and Yuqing Kong
WWW 2024
doi: 10.1145/3589334.3645384
arXiv: 2311.14094

Budget-Constrained Auctions with Unassured Priors: Strategic Equivalence and Structural Properties
Zhaohua Chen, Mingwei Yang, Chang Wang, Jicheng Li, Zheng Cai, Yukun Ren, Zhihua Zhu, and Xiaotie Deng
WWW 2024 (Oral)
doi: 10.1145/3589334.3645344
arXiv: 2203.16816
SSRN: 4071291

Dynamic Budget Throttling in Repeated Second-Price Auctions
Zhaohua Chen*, Chang Wang*, Qian Wang*, Yuqi Pan, Zhuming Shi, Zheng Cai, Yukun Ren, Zhihua Zhu, and Xiaotie Deng
AAAI 2024
doi: 10.1609/aaai.v38i9.28816
arXiv: 2207.04690

Coordinated Dynamic Bidding in Repeated Second-Price Auctions with Budgets
Yurong Chen*, Qian Wang*, Zhijian Duan, Haoran Sun, Zhaohua Chen, Xiang Yan, and Xiaotie Deng
ICML 2023
EC 2024 Workshop on Frontiers of Online Advertising: Autobidding, GenAI, and Beyond
arXiv: 2306.07709

Decentralized Asset Custody Scheme with Security against Rational Adversary
(αβ) Zhaohua Chen and Guang Yang
WINE 2021
doi: 10.1007/978-3-030-94676-0_25
arXiv: 2008.10895
Cryptology ePrint Archive: 2020/1229

On Tightness of the Tsaknakis-Spirakis Algorithm for Approximate Nash Equilibrium
(αβ) Zhaohua Chen, Xiaotie Deng, Wenhan Huang, Hanyu Li*, and Yuhao Li
SAGT 2021
doi: 10.1007/978-3-030-85947-3_7

An Efficient Permissioned Blockchain Model with Provable Reputation Mechanism
(αβ) Hongyin Chen*, Zhaohua Chen*, Yukun Cheng, Xiaotie Deng, Wenhan Huang, Jichen Li, Hongyi Ling*, and Mengqian Zhang
ICDCS 2021 (Poster)
doi: 10.1109/ICDCS51616.2021.00123
arXiv: 2002.06852

CycLedger: A Scalable and Secure Parallel Protocol for Distributed Ledger via Sharding
Mengqian Zhang*, Jichen Li*, Zhaohua Chen*, Hongyin Chen*, and Xiaotie Deng
IPDPS 2020 (Best paper nominee)
doi: 10.1109/IPDPS47924.2020.00045
arXiv: 2001.06778

CN112419060B. Asset hosting system, asset management method, node and medium (资产托管系统、资产管理方法、节点及介质)
Inventor: YANG GUANG (杨光), CHEN ZHAOHUA (陈炤桦), WU MING (伍鸣), LONG FAN (龙凡), LI CHENXING (李辰星)

Advisor:

• Billiards   Yuanpei College, Peking University, 2023.03 -- 2023.06
• Billiards   Yuanpei College, Peking University, 2022.10 -- 2022.12

Teaching Assistant:

• Discrete Math and Structures (Ⅰ)   Peking University, 2023.09 -- 2024.01
• Study and Practice on Topics of Frontier Computing (Ⅱ)   Peking University, 2023.02 -- 2023.06
• Study and Practice on Topics of Frontier Computing (Ⅰ)   Peking University, 2022.09 -- 2023.01
• Discrete Math and Structures (Ⅰ)   Peking University, 2021.09 -- 2022.01
• Discrete Math and Structures (Ⅰ)   Peking University, 2020.09 -- 2021.01
• Blockchain Theory and Technique   Peking University, 2019.09 -- 2020.01

Journal Reviewing:

• SIAM Journal on Computing

Conference Reviewing:

• 2026: WSDM, ICLR, EC, WINE
• 2025: ICML, NeurIPS, WINE
• 2024: NeurIPS, FOCS, WWW
• 2022: ICDCS
• 2021: GameSec

Services in Academic Organizations:

• Committee member  CCF TCCE, 2026.09 --
• Administrative assistant  CCF TCCE, 2022.08 -- 2026.08

Organizing:

• Chair of undergraduate research forum   IJTCS 2021
• Leader of volunteer group   WINE 2020

Volunteering:

• IJTCS-FAW 2023, CSIAM-BTAF 2021, IJTCS 2020