Hangfan Zhang

According to our database, Hangfan Zhang authored at least 16 papers between 2020 and 2026.

Collaborative distances:

• Dijkstra number of three.
• Erdős number of four.

2026

Do We Truly Need So Many Samples? Multi-LLM Repeated Sampling Efficiently Scales Test-Time Compute.

Jianhao Chen, Zishuo Xun, Bocheng Zhou, Han Qi, Hangfan Zhang, Qiaosheng Zhang, Yang Chen, Wei Hu, Yuzhong Qu, Shuyue Hu

Proceedings of the Fortieth AAAI Conference on Artificial Intelligence, 2026

2025

Simple Denoising Diffusion Language Models.

Huaisheng Zhu, Zhengyu Chen, Shijie Zhou, Zhihui Xie, Yige Yuan, Zhimeng Guo, Siyuan Xu, Hangfan Zhang, Vasant G. Honavar, Teng Xiao

CoRR, October, 2025

The Path of Self-Evolving Large Language Models: Achieving Data-Efficient Learning via Intrinsic Feedback.

Hangfan Zhang, Siyuan Xu, Zhimeng Guo, Huaisheng Zhu, Shicheng Liu, Xinrun Wang, Qiaosheng Zhang, Yang Chen, Peng Ye, Lei Bai, Shuyue Hu

CoRR, October, 2025

Optimizing Token Choice for Code Watermarking: A RL Approach.

Zhimeng Guo, Huaisheng Zhu, Siyuan Xu, Hangfan Zhang, Teng Xiao, Minhao Cheng

CoRR, August, 2025

If Multi-Agent Debate is the Answer, What is the Question?

Hangfan Zhang, Zhiyao Cui, Xinrun Wang, Qiaosheng Zhang, Zhen Wang, Dinghao Wu, Shuyue Hu

CoRR, February, 2025

Simple Distillation for One-Step Diffusion Models.

Huaisheng Zhu, Teng Xiao, Shijie Zhou, Zhimeng Guo, Hangfan Zhang, Siyuan Xu, Vasant G. Honavar

Proceedings of the Advances in Neural Information Processing Systems 38: Annual Conference on Neural Information Processing Systems 2025, 2025

Explainable Reinforcement Learning from Human Feedback to Improve Alignment.

Shicheng Liu, Siyuan Xu, Wenjie Qiu, Hangfan Zhang, Minghui Zhu

Proceedings of the Advances in Neural Information Processing Systems 38: Annual Conference on Neural Information Processing Systems 2025, 2025

Reinforcement Learning for Large Language Models via Group Preference Reward Shaping.

Huaisheng Zhu, Siyuan Xu, Hangfan Zhang, Teng Xiao, Zhimeng Guo, Shijie Zhou, Shuyue Hu, Vasant G. Honavar

Proceedings of the 2025 Conference on Empirical Methods in Natural Language Processing, 2025

Beyond GPT-5: Making LLMs Cheaper and Better via Performance-Efficiency Optimized Routing.

Yiqun Zhang, Hao Li, Jianhao Chen, Hangfan Zhang, Peng Ye, Lei Bai, Shuyue Hu

Proceedings of the 2025 7th International Conference on Distributed Artificial Intelligence, 2025

2024

Jailbreak Open-Sourced Large Language Models via Enforced Decoding.

Hangfan Zhang, Zhimeng Guo, Huaisheng Zhu, Bochuan Cao, Lu Lin, Jinyuan Jia, Jinghui Chen, Dinghao Wu

Proceedings of the 62nd Annual Meeting of the Association for Computational Linguistics (Volume 1: Long Papers), 2024

2023

On the Safety of Open-Sourced Large Language Models: Does Alignment Really Prevent Them From Being Misused?

Hangfan Zhang, Zhimeng Guo, Huaisheng Zhu, Bochuan Cao, Lu Lin, Jinyuan Jia, Jinghui Chen, Dinghao Wu

CoRR, 2023

A3FL: Adversarially Adaptive Backdoor Attacks to Federated Learning.

Hangfan Zhang, Jinyuan Jia, Jinghui Chen, Lu Lin, Dinghao Wu

Proceedings of the Advances in Neural Information Processing Systems 36: Annual Conference on Neural Information Processing Systems 2023, 2023

Graph Contrastive Backdoor Attacks.

Hangfan Zhang, Jinghui Chen, Lu Lin, Jinyuan Jia, Dinghao Wu

Proceedings of the International Conference on Machine Learning, 2023

2021

Gray Failures Detection for Shared Bicycles.

Hangfan Zhang, Mingchao Zhang, Cam-Tu Nguyen, Wenzhong Li, Sheng Zhang, Xiaoliang Wang

Proceedings of the Wireless Algorithms, Systems, and Applications, 2021

One Engine to Fuzz 'em All: Generic Language Processor Testing with Semantic Validation.

Yongheng Chen, Rui Zhong, Hong Hu, Hangfan Zhang, Yupeng Yang, Dinghao Wu, Wenke Lee

Proceedings of the 42nd IEEE Symposium on Security and Privacy, 2021

2020

SQUIRREL: Testing Database Management Systems with Language Validity and Coverage Feedback.

Rui Zhong, Yongheng Chen, Hong Hu, Hangfan Zhang, Wenke Lee, Dinghao Wu

Proceedings of the CCS '20: 2020 ACM SIGSAC Conference on Computer and Communications Security, 2020