Guojun Xiong

60 papers A* 16A 1B 2Journal 37Unranked 4
YearRankTypeTitle / Venue / Authors
2026 J jnl
Health Facility Location in Ethiopia: Leveraging LLMs to Integrate Expert Knowledge into Algorithmic Planning.
CoRR
Yohai Trabelsi, Guojun Xiong, Fentabil Getnet, Stéphane Verguet, Milind Tambe
2026 A* conf
VORTEX: Aligning Task Utility and Human Preferences Through LLM-Guided Reward Shaping.
AAAI
Guojun Xiong, Milind Tambe
2026 A* conf
When Agents Trade: Live Multi-Market Trading Arena for LLM Agents.
WWW
Lingfei Qian, Xueqing Peng, Hanley Smith, Yi Han, Yueru He, Haohang Li, Yupeng Cao, Yangyang Yu, Guojun Xiong, Peng Lu, Yan Wang, Vincent Jim Zhang, Huan He, Alejandro Lopez-Lira, Jimin Huang, Jian-Yun Nie, Sophia Ananiadou
2025 J jnl
Composite Flow Matching for Reinforcement Learning with Shifted-Dynamics Data.
CoRR
Lingkai Kong, Haichuan Wang, Tonghan Wang, Guojun Xiong, Milind Tambe
2025 A* conf
DOPL: Direct Online Preference Learning for Restless Bandits with Preference Feedback.
ICLR
Guojun Xiong, Ujwal Dinesha, Debajoy Mukherjee, Jian Li, Srinivas Shakkottai
2025 A* conf
Decentralized Federated Learning with Model Caching on Mobile Agents.
AAAI
Xiaoyu Wang, Guojun Xiong, Houwei Cao, Jian Li, Yong Liu
2025 — conf
FLAG-TRADER: Fusion LLM-Agent with Gradient-based Reinforcement Learning for Financial Trading.
ACL (Findings)
Guojun Xiong, Zhiyang Deng, Keyi Wang, Yupeng Cao, Haohang Li, Yangyang Yu, Xueqing Peng, Mingquan Lin, Kaleb E. Smith, Xiao-Yang Liu, Jimin Huang, Sophia Ananiadou, Qianqian Xie
2025 J jnl
FLAG-Trader: Fusion LLM-Agent with Gradient-based Reinforcement Learning for Financial Trading.
CoRR
Guojun Xiong, Zhiyang Deng, Keyi Wang, Yupeng Cao, Haohang Li, Yangyang Yu, Xueqing Peng, Mingquan Lin, Kaleb E. Smith, Xiao-Yang Liu, Jimin Huang, Sophia Ananiadou, Qianqian Xie
2025 J jnl
FinAuditing: A Financial Taxonomy-Structured Multi-Document Benchmark for Evaluating LLMs.
CoRR
Yan Wang, Keyi Wang, Shanshan Yang, Jaisal Patel, Jeff Zhao, Fengran Mo, Xueqing Peng, Lingfei Qian, Jimin Huang, Guojun Xiong, Xiao-Yang Liu, Jian-Yun Nie
2025 J jnl
FinCriticalED: A Visual Benchmark for Financial Fact-Level OCR Evaluation.
CoRR
Yueru He, Xueqing Peng, Yupeng Cao, Yan Wang, Lingfei Qian, Haohang Li, Yi Han, Ruoyu Xiang, Mingquan Lin, Prayag Tiwari, Jimin Huang, Guojun Xiong, Sophia Ananiadou
2025 A conf
Finite-Horizon Single-Pull Restless Bandits: An Efficient Index Policy For Scarce Resource Allocation.
AAMAS
Guojun Xiong, Haichuan Wang, Yuqi Pan, Saptarshi Mandal, Sanket Shah, Niclas Boehmer, Milind Tambe
2025 J jnl
Finite-Horizon Single-Pull Restless Bandits: An Efficient Index Policy For Scarce Resource Allocation.
CoRR
Guojun Xiong, Haichuan Wang, Yuqi Pan, Saptarshi Mandal, Sanket Shah, Niclas Boehmer, Milind Tambe
2025 J jnl
MARLIN: Multi-Agent Reinforcement Learning with Murmuration Intelligence and LLM Guidance for Reservoir Management.
CoRR
Heming Fu, Guojun Xiong, Jian Li, Shan Lin
2025 J jnl
MeCaMIL: Causality-Aware Multiple Instance Learning for Fair and Interpretable Whole Slide Image Diagnosis.
CoRR
Yiran Song, Yikai Zhang, Shuang Zhou, Guojun Xiong, Xiaofeng Yang, Nian Wang, Fenglong Ma, Rui Zhang, Mingquan Lin
2025 J jnl
Multi-Agent Reinforcement Learning for Decentralized Reservoir Management via Murmuration Intelligence.
CoRR
Heming Fu, Guojun Xiong, Jian Li, Shan Lin
2025 J jnl
MultiFinBen: A Multilingual, Multimodal, and Difficulty-Aware Benchmark for Financial LLM Evaluation.
CoRR
Xueqing Peng, Lingfei Qian, Yan Wang, Ruoyu Xiang, Yueru He, Yang Ren, Mingyang Jiang, Jeff Zhao, Huan He, Yi Han, Yun Feng, Yuechen Jiang, Yupeng Cao, Haohang Li, Yangyang Yu, Xiaoyu Wang, Penglei Gao, Shengyuan Lin, Keyi Wang, Shanshan Yang, Yilun Zhao, Zhiwei Liu, Peng Lu, Jerry Huang, Suyuchen Wang, Triantafillos Papadopoulos, Polydoros Giannouris, Efstathia Soufleri, Nuo Chen, Guojun Xiong, Zhiyang Deng, Yijia Zhao, Mingquan Lin, Meikang Qiu, Kaleb E. Smith, Arman Cohan, Xiao-Yang Liu, Jimin Huang, Alejandro Lopez-Lira, Xi Chen, Junichi Tsujii, Jian-Yun Nie, Sophia Ananiadou, Qianqian Xie
2025 A* conf
On the Linear Speedup of Personalized Federated Reinforcement Learning with Shared Representations.
ICLR
Guojun Xiong, Shufan Wang, Daniel Jiang, Jian Li
2025 A* conf
Optimizing Vital Sign Monitoring in Resource-Constrained Maternal Care: An RL-Based Restless Bandit Approach.
AAAI
Niclas Boehmer, Yunfan Zhao, Guojun Xiong, Paula Rodriguez Diaz, Paola Del Cueto Cibrian, Joseph Ngonzi, Adeline Boatin, Milind Tambe
2025 J jnl
Rule-Bottleneck Reinforcement Learning: Joint Explanation and Decision Optimization for Resource Allocation with Language Agents.
CoRR
Mauricio Tec, Guojun Xiong, Haichuan Wang, Francesca Dominici, Milind Tambe
2025 — conf
UAV Aided Smart Agriculture Networks: A Multi-Agent Reinforcement Learning Approach.
ICC
Guojun Xiong, Jianlin Guo, Kieran Parsons, Yukimasa Nagai, Takenori Sumi, Philip V. Orlik, Jian Li
2025 J jnl
VORTEX: Aligning Task Utility and Human Preferences through LLM-Guided Reward Shaping.
CoRR
Guojun Xiong, Milind Tambe
2025 J jnl
When Agents Trade: Live Multi-Market Trading Benchmark for LLM Agents.
CoRR
Lingfei Qian, Xueqing Peng, Yan Wang, Vincent Jim Zhang, Huan He, Hanley Smith, Yi Han, Yueru He, Haohang Li, Yupeng Cao, Yangyang Yu, Alejandro Lopez-Lira, Peng Lu, Jian-Yun Nie, Guojun Xiong, Jimin Huang, Sophia Ananiadou
2024 J jnl
DOPL: Direct Online Preference Learning for Restless Bandits with Preference Feedback.
CoRR
Guojun Xiong, Ujwal Dinesha, Debajoy Mukherjee, Jian Li, Srinivas Shakkottai
2024 A* conf
DePRL: Achieving Linear Convergence Speedup in Personalized Decentralized Learning with Shared Representations.
AAAI
Guojun Xiong, Gang Yan, Shiqiang Wang, Jian Li
2024 J jnl
Decentralized Federated Learning with Model Caching on Mobile Agents.
CoRR
Xiaoyu Wang, Guojun Xiong, Houwei Cao, Jian Li, Yong Liu
2024 A* conf
FinBen: A Holistic Financial Benchmark for Large Language Models.
NeurIPS
Qianqian Xie, Weiguang Han, Zhengyu Chen, Ruoyu Xiang, Xiao Zhang, Yueru He, Mengxi Xiao, Dong Li, Yongfu Dai, Duanyu Feng, Yijing Xu, Haoqiang Kang, Ziyan Kuang, Chenhan Yuan, Kailai Yang, Zheheng Luo, Tianlin Zhang, Zhiwei Liu, Guojun Xiong, Zhiyang Deng, Yuechen Jiang, Zhiyuan Yao, Haohang Li, Yangyang Yu, Gang Hu, Jiajia Huang, Xiao-Yang Liu, Alejandro Lopez-Lira, Benyou Wang, Yanzhao Lai, Hao Wang, Min Peng, Sophia Ananiadou, Jimin Huang
2024 A* conf
FinCon: A Synthesized LLM Multi-Agent System with Conceptual Verbal Reinforcement for Enhanced Financial Decision Making.
NeurIPS
Yangyang Yu, Zhiyuan Yao, Haohang Li, Zhiyang Deng, Yuechen Jiang, Yupeng Cao, Zhi Chen, Jordan W. Suchow, Zhenyu Cui, Rong Liu, Zhaozhuo Xu, Denghui Zhang, Koduvayur Subbalakshmi, Guojun Xiong, Yueru He, Jimin Huang, Dong Li, Qianqian Xie
2024 J jnl
FinCon: A Synthesized LLM Multi-Agent System with Conceptual Verbal Reinforcement for Enhanced Financial Decision Making.
CoRR
Yangyang Yu, Zhiyuan Yao, Haohang Li, Zhiyang Deng, Yupeng Cao, Zhi Chen, Jordan W. Suchow, Rong Liu, Zhenyu Cui, Denghui Zhang, Koduvayur Subbalakshmi, Guojun Xiong, Yueru He, Jimin Huang, Dong Li, Qianqian Xie
2024 J jnl
INVESTORBENCH: A Benchmark for Financial Decision-Making Tasks with LLM-based Agent.
CoRR
Haohang Li, Yupeng Cao, Yangyang Yu, Shashidhar Reddy Javaji, Zhiyang Deng, Yueru He, Yuechen Jiang, Zining Zhu, Koduvayur Subbalakshmi, Guojun Xiong, Jimin Huang, Lingfei Qian, Xueqing Peng, Qianqian Xie, Jordan W. Suchow
2024 J jnl
On the Linear Speedup of Personalized Federated Reinforcement Learning with Shared Representations.
CoRR
Guojun Xiong, Shufan Wang, Daniel Jiang, Jian Li
2024 A* conf
Online Restless Multi-Armed Bandits with Long-Term Fairness Constraints.
AAAI
Shufan Wang, Guojun Xiong, Jian Li
2024 J jnl
Open-FinLLMs: Open Multimodal Large Language Models for Financial Applications.
CoRR
Qianqian Xie, Dong Li, Mengxi Xiao, Zihao Jiang, Ruoyu Xiang, Xiao Zhang, Zhengyu Chen, Yueru He, Weiguang Han, Yuzhe Yang, Shunian Chen, Yifei Zhang, Lihang Shen, Daniel S. Kim, Zhiwei Liu, Zheheng Luo, Yangyang Yu, Yupeng Cao, Zhiyang Deng, Zhiyuan Yao, Haohang Li, Duanyu Feng, Yongfu Dai, VijayaSai Somasundaram, Peng Lu, Yilun Zhao, Yitao Long, Guojun Xiong, Kaleb E. Smith, Honghai Yu, Yanzhao Lai, Min Peng, Jianyun Nie, Jordan W. Suchow, Xiao-Yang Liu, Benyou Wang, Alejandro Lopez-Lira, Jimin Huang, Sophia Ananiadou
2024 J jnl
Optimizing Vital Sign Monitoring in Resource-Constrained Maternal Care: An RL-Based Restless Bandit Approach.
CoRR
Niclas Boehmer, Yunfan Zhao, Guojun Xiong, Paula Rodriguez Diaz, Paola Del Cueto Cibrian, Joseph Ngonzi, Adeline Boatin, Milind Tambe
2024 A* conf
Provably Efficient Reinforcement Learning for Adversarial Restless Multi-Armed Bandits with Unknown Transitions and Bandit Feedback.
ICML
Guojun Xiong, Jian Li
2024 J jnl
Provably Efficient Reinforcement Learning for Adversarial Restless Multi-Armed Bandits with Unknown Transitions and Bandit Feedback.
CoRR
Guojun Xiong, Jian Li
2024 B conf
Straggler-Resilient Decentralized Learning via Adaptive Asynchronous Updates.
MobiHoc
Guojun Xiong, Gang Yan, Shiqiang Wang, Jian Li
2024 J jnl
Structured Reinforcement Learning for Delay-Optimal Data Transmission in Dense mmWave Networks.
CoRR
Shufan Wang, Guojun Xiong, Shichen Zhang, Huacheng Zeng, Jian Li, Shivendra S. Panwar
2024 J jnl
Structured Reinforcement Learning for Delay-Optimal Data Transmission in Dense mmWave Networks.
IEEE Trans. Wirel. Commun.
Shufan Wang, Guojun Xiong, Shichen Zhang, Huacheng Zeng, Jian Li, Shivendra S. Panwar
2024 J jnl
The FinBen: An Holistic Financial Benchmark for Large Language Models.
CoRR
Qianqian Xie, Weiguang Han, Zhengyu Chen, Ruoyu Xiang, Xiao Zhang, Yueru He, Mengxi Xiao, Dong Li, Yongfu Dai, Duanyu Feng, Yijing Xu, Haoqiang Kang, Ziyan Kuang, Chenhan Yuan, Kailai Yang, Zheheng Luo, Tianlin Zhang, Zhiwei Liu, Guojun Xiong, Zhiyang Deng, Yuechen Jiang, Zhiyuan Yao, Haohang Li, Yangyang Yu, Gang Hu, Jiajia Huang, Xiao-Yang Liu, Alejandro Lopez-Lira, Benyou Wang, Yanzhao Lai, Hao Wang, Min Peng, Sophia Ananiadou, Jimin Huang
2024 J jnl
Whittle Index-Based Q-Learning for Wireless Edge Caching With Linear Function Approximation.
IEEE/ACM Trans. Netw.
Guojun Xiong, Shufan Wang, Jian Li, Rahul Singh
2023 J jnl
DePRL: Achieving Linear Convergence Speedup in Personalized Decentralized Learning with Shared Representations.
CoRR
Guojun Xiong, Gang Yan, Shiqiang Wang, Jian Li
2023 A* conf
Decentralized Stochastic Multi-Player Multi-Armed Walking Bandits.
AAAI
Guojun Xiong, Jian Li
2023 A* conf
Finite-Time Analysis of Whittle Index based Q-Learning for Restless Multi-Armed Bandits with Neural Network Function Approximation.
NeurIPS
Guojun Xiong, Jian Li
2023 J jnl
Finite-Time Analysis of Whittle Index based Q-Learning for Restless Multi-Armed Bandits with Neural Network Function Approximation.
CoRR
Guojun Xiong, Jian Li
2023 J jnl
Online Restless Multi-Armed Bandits with Long-Term Fairness Constraints.
CoRR
Shufan Wang, Guojun Xiong, Jian Li
2023 J jnl
Reinforcement Learning for Dynamic Dimensioning of Cloud Caches: A Restless Bandit Approach.
IEEE/ACM Trans. Netw.
Guojun Xiong, Shufan Wang, Gang Yan, Jian Li
2023 — conf
Simulation Analysis of Electromagnetic Vibration of Shunt Reactor Based on AC and DC.
ICCE-Berlin
Dabiao Wang, Kai Mao, Jun Zhou, Liang Huang, Guojun Xiong, Hongkang You
2023 J jnl
Straggler-Resilient Decentralized Learning via Adaptive Asynchronous Updates.
CoRR
Guojun Xiong, Gang Yan, Shiqiang Wang, Jian Li
2022 J jnl
Decentralized Stochastic Multi-Player Multi-Armed Walking Bandits.
CoRR
Guojun Xiong, Jian Li
2022 B conf
Index-aware reinforcement learning for adaptive video streaming at the wireless edge.
MobiHoc
Guojun Xiong, Xudong Qin, Bin Li, Rahul Singh, Jian Li
2022 A* conf
Learning Infinite-Horizon Average-Reward Restless Multi-Action Bandits via Index Awareness.
NeurIPS
Guojun Xiong, Shufan Wang, Jian Li
2022 J jnl
Model-free Reinforcement Learning for Content Caching at the Wireless Edge via Restless Bandits.
CoRR
Guojun Xiong, Shufan Wang, Jian Li, Rahul Singh
2022 A* conf
Reinforcement Learning Augmented Asymptotically Optimal Index Policy for Finite-Horizon Restless Bandits.
AAAI
Guojun Xiong, Jian Li, Rahul Singh
2022 A* conf
Reinforcement Learning for Dynamic Dimensioning of Cloud Caches: A Restless Bandit Approach.
INFOCOM
Guojun Xiong, Shufan Wang, Gang Yan, Jian Li
2021 J jnl
Learning Augmented Index Policy for Optimal Service Placement at the Network Edge.
CoRR
Guojun Xiong, Rahul Singh, Jian Li
2021 J jnl
Optimality Conditions of Performance-Guaranteed Power Minimization in MIMO Networks: A Distributed Algorithm and Its Feasibility.
IEEE Trans. Signal Process.
Guojun Xiong, Taejoon Kim, David J. Love, Erik Perrins
2021 J jnl
Reinforcement Learning for Finite-Horizon Restless Multi-Armed Multi-Action Bandits.
CoRR
Guojun Xiong, Jian Li, Rahul Singh
2021 J jnl
Straggler-Resilient Distributed Machine Learning with Dynamic Backup Workers.
CoRR
Guojun Xiong, Gang Yan, Rahul Singh, Jian Li
2019 J jnl
Leveraging subspace information for low-rank matrix reconstruction.
Signal Process.
Wei Zhang, Taejoon Kim, Guojun Xiong, Shu-Hung Leung
2017 — conf
Distributed Filter Design and Power Allocation for Small-Cell MIMO Networks.
VTC Fall
Guojun Xiong, Taejoon Kim, David J. Love