Sihang Zeng

PhD student, Biomedical Informatics and Medical Education, University of Washington

Joined

December 2022

Names

Sihang Zeng (Preferred)

Emails

****@mails.tsinghua.edu.cn (Confirmed)

****@uw.edu (Confirmed)

Personal Links

Homepage

Google Scholar

Career & Education History

PhD student

Biomedical Informatics and Medical Education, University of Washington (uw.edu)

2023 – 2028

Undergrad student

Electronics Engineering, Tsinghua University (mails.tsinghua.edu.cn)

2019 – 2023

Advisors, Relations & Conflicts

PhD Advisor

Meliha Yetisgen

2024 – 2028

PhD Advisor

Ruth Etzioni

2023 – 2028

Expertise

Biomedical Informatics

2021 – Present

Publications

TrajOnco: a multi-agent framework for temporal reasoning over longitudinal EHR for multi-cancer early detection
Sihang Zeng, Young Won Kim, Wilson Lau, Ehsan Alipour, Ruth Etzioni, Meliha Yetisgen, Anand Oka
- CoRR 2026
- Readers: Everyone
UW-BioNLP at ChemoTimelines 2025: Thinking, Fine-Tuning, and Dictionary-Enhanced LLM Systems for Chemotherapy Timeline Extraction
Tianmai M. Zhang, Zhaoyi Sun, Sihang Zeng, Chenxi Li, Neil F. Abernethy, Barbara D. Lam, Fei Xia, Meliha Yetisgen
- CoRR 2025
- Readers: Everyone
Traj-CoA: Patient Trajectory Modeling via Chain-of-Agents for Lung Cancer Risk Prediction
Sihang Zeng, Yujuan Fu, Sitong Zhou, Zixuan Yu, Lucas Jing Liu, Jun Wen, Matthew Thompson, Ruth Etzioni, Meliha Yetisgen
- CoRR 2025
- Readers: Everyone
CaSBRE: Causality-inspired Semi-supervised Biomedical Relation Extraction
Sihang Zeng, Jun Wen, Jiangchuan Du, Jingyun Qian, Tianxi Cai, Hao Wang
- Submitted to ICLR 2026
- Readers: Everyone
MARTI: A Framework for Multi-Agent LLM Systems Reinforced Training and Inference
Kaiyan Zhang, Kai Tian, Runze Liu, Sihang Zeng, Xuekai Zhu, Guoli Jia, Yuchen Fan, Xingtai Lv, Yuxin Zuo, Che Jiang, Yuru wang, Jianyu Wang, Ermo Hua, Xinwei Long, Junqi Gao, Youbang Sun, Zhiyuan Ma, Ganqu Cui, Ning Ding, Biqing Qi et al. (1 additional authors not shown)
- ICLR 2026 Poster
- Readers: Everyone
Traj-CoA: Patient Trajectory Modeling via Chain-of-Agents for Lung Cancer Risk Prediction
Sihang Zeng, Yujuan Fu, Sitong Zhou, Zixuan Yu, Lucas Jing Liu, Jun Wen, Matthew Thompson, Ruth Etzioni, Meliha Yetisgen
- GenAI4Health 2025 Poster
- Readers: Everyone
A Survey of Reinforcement Learning for Large Reasoning Models
Kaiyan Zhang, Yuxin Zuo, Bingxiang He, Youbang Sun, Runze Liu, Che Jiang, Yuchen Fan, Kai Tian, Guoli Jia, Pengfei Li, Yu Fu, Xingtai Lv, Yuchen Zhang, Sihang Zeng, Shang Qu, Haozhan Li, Shijie Wang, Yuru Wang, Xinwei Long, Fangfu Liu et al. (19 additional authors not shown)
- CoRR 2025
- Readers: Everyone
Scalability of LLM-Based Multi-Agent Systems for Scientific Code Generation: A Preliminary Study
Yuru wang, Kaiyan Zhang, Kai Tian, Sihang Zeng, Xingtai Lv, Ning Ding, Biqing Qi, Bowen Zhou
- MTI-LLM @ NeurIPS 2025 Poster
- Readers: Everyone
TrajSurv: Learning Continuous Latent Trajectories from Electronic Health Records for Trustworthy Survival Prediction
Sihang Zeng, Lucas Jing Liu, Jun Wen, Meliha Yetisgen, Ruth Etzioni, Gang Luo
- CoRR 2025
- Readers: Everyone
ReviewRL: Towards Automated Scientific Review with RL
Sihang Zeng, Kai Tian, Kaiyan Zhang, Yuru wang, Junqi Gao, Runze Liu, Sa Yang, Jingxuan Li, Xinwei Long, Jiaheng Ma, Biqing Qi, Bowen Zhou
- CoRR 2025
- Readers: Everyone

View all 26 publications

Co-Authors

Anand Oka
Barbara D. Lam
Bingxiang He
Biqing Qi
Bowen Zhou
Bryan Cai
Che Jiang
Chenxi Li
Dong Li
Doudou Zhou
Ehsan Alipour
Ermo Hua
Fangfu Liu
Fei Xia
Gang Luo
Ganqu Cui
Guoli Jia
Hao Wang
Haoxiang Li
Haoxin Li
Haozhan Li
Heung-Yeung Shum
Hongyi Yuan
Hu Jinfang
Huaiyuan Ying

View all 88 co-authors