Yunyi Zhang

Researcher, Amazon

Joined

October 2021

Names

Yunyi Zhang (Preferred)

Emails

****@illinois.edu (Confirmed)

****@gmail.com (Confirmed)

****@amazon.com (Confirmed)

Personal Links

Career & Education History

Researcher

Amazon (amazon.com)

2025 – Present

PhD student

University of Illinois Urbana-Champaign (illinois.edu)

2021 – 2025

MS student

University of Illinois Urbana-Champaign (illinois.edu)

2019 – 2021

Advisors, Relations & Conflicts

PhD Advisor

Jiawei Han

2021 – 2025

Expertise

No areas of expertise listed

Publications

Train Less, Learn More: Adaptive Efficient Rollout Optimization for Group-Based Reinforcement Learning
Zhi Zhang, Zhen Han, Costas Mavromatis, Qi Zhu, Yunyi Zhang, Sheng Guan, Dingmin Wang, Xiong Zhou, Shuai Wang, Soji Adeshina, Vassilis N. Ioannidis, Huzefa Rangwala
- CoRR 2026
- Readers: Everyone
Zero-Shot Open-Schema Entity Structure Discovery
Xueqiang Xu, Jinfeng Xiao, James Barry, Mohab Elkaref, Jiaru Zou, Pengcheng Jiang, Yunyi Zhang, Maxwell J. Giammona, Geeth De Mel, Jiawei Han
- EACL (Volume 1: Long Papers) 2026
- Readers: Everyone
Grounding Agent Memory in Contextual Intent
Ruozhen Yang, Yucheng Jiang, Yueqi Jiang, Priyanka Kargupta, Yunyi Zhang, Jiawei Han
- CoRR 2026
- Readers: Everyone
The Kinetics of Reasoning: How Chain-of-Thought Shapes Learning in Transformers?
Zihan Pengmei, Costas Mavromatis, Zhengyuan Shen, Yunyi Zhang, Vassilis N. Ioannidis, Huzefa Rangwala
- CoRR 2025
- Readers: Everyone
RAS: Retrieval-And-Structuring for Knowledge-Intensive LLM Generation
Pengcheng Jiang, Lang Cao, Ruike Zhu, Minhao Jiang, Yunyi Zhang, Jiaming Shen, Jimeng Sun, Jiawei Han
- ICLR 2026 Poster
- Readers: Everyone
The Kinetics of Reasoning: How Chain-of-Thought Shapes Learning in Transformers?
Zihan Pengmei, Costas Mavromatis, Zhengyuan Shen, Yunyi Zhang, Vassilis N. Ioannidis, Huzefa Rangwala
- Submitted to ICLR 2026
- Readers: Everyone
TaxoAdapt: Aligning LLM-Based Multidimensional Taxonomy Construction to Evolving Research Corpora
Priyanka Kargupta, Nan Zhang, Yunyi Zhang, Rui Zhang, Prasenjit Mitra, Jiawei Han
- CoRR 2025
- Readers: Everyone
Zero-Shot Open-Schema Entity Structure Discovery
Xueqiang Xu, Jinfeng Xiao, James Barry, Mohab Elkaref, Jiaru Zou, Pengcheng Jiang, Yunyi Zhang, Maxwell Giammona, Geeth de Mel, Jiawei Han
- CoRR 2025
- Readers: Everyone
Scientific Paper Retrieval with LLM-Guided Semantic-Based Ranking
Yunyi Zhang, Ruozhen Yang, Siqi Jiao, SeongKu Kang, Jiawei Han
- CoRR 2025
- Readers: Everyone
LogiCoL: Logically-Informed Contrastive Learning for Set-based Dense Retrieval
Yanzhen Shen, Sihao Chen, Xueqiang Xu, Yunyi Zhang, Chaitanya Malaviya, Dan Roth
- CoRR 2025
- Readers: Everyone

View all 70 publications

Co-Authors

View all 74 co-authors