Jiacheng Lin

PhD student, Computer Science, Department of Computer Science, University of Illinois

Joined

September 2023

Names

Jiacheng Lin (Preferred)

Emails

****@gmail.com (Confirmed)

****@illinois.edu (Confirmed)

Personal Links

Homepage

Google Scholar

Career & Education History

PhD student

Computer Science, Department of Computer Science, University of Illinois (cs.illinois.edu)

2023 – Present

MS student

Automation, Tsinghua University, Tsinghua University (mails.tsinghua.edu.cn)

2020 – 2023

Undergrad student

Automation, Tsinghua University, Tsinghua University (mails.tsinghua.edu.cn)

2016 – 2020

Advisors, Relations & Conflicts

PhD Advisor

Jimeng Sun

2023 – Present

Expertise

AI for Healthcare

2023 – Present

Large language models

2022 – Present

Natural Language Processing

2021 – Present

Publications

DiffKGW: Stealthy and Robust Diffusion Model Watermarking
Tianxin Wei, Ruizhong Qiu, Yifan Chen, Yunzhe Qi, Jiacheng Lin, Wenxuan Bao, Wenju Xu, Sreyashi Nag, Ruirui Li, Hanqing Lu, Zhengyang Wang, Chen Luo, Hui Liu, Suhang Wang, Jingrui He, Qi He, Xianfeng Tang
- Accepted by TMLR
- Readers: Everyone
Training LLMs for EHR-Based Reasoning Tasks via Reinforcement Learning
Jiacheng Lin, Zhenbang Wu, Jimeng Sun
- Submitted to ICLR 2026
- Readers: Everyone
SFT Doesn’t Always Hurt General Capabilities: Revisiting Domain-Specific Fine-Tuning in LLMs
Jiacheng Lin, Zhongruo Wang, Kun Qian, Tian Wang, Arvind Srinivasan, Hansi Zeng, Ruochen Jiao, Xie Zhou, Jiri Gesi, Dakuo Wang, Yufan Guo, Kai Zhong, Weiqi Zhang, sujay sanghavi, Changyou Chen, Hyokun Yun, Lihong Li
- ICLR 2026 Poster
- Readers: Everyone
Shop-R1: Rewarding LLMs to Simulate Human Behavior in Online Shopping via Reinforcement Learning
Yimeng Zhang, Tian Wang, Jiri Gesi, Ziyi Wang, Yuxuan Lu, Jiacheng Lin, Simon Sinong Zhan, Vianne R. Gao, Ruochen Jiao, Junze Liu, Kun Qian, Yuxin Tang, Ran Xue, Houyu Zhang, qingjun cui, Yufan Guo, Dakuo Wang
- ICLR 2026 Poster
- Readers: Everyone
Rec-R1: Bridging Generative Large Language Models and User-Centric Recommendation Systems via Reinforcement Learning
Jiacheng Lin, Tian Wang, Kun Qian
- Accepted by TMLR
- Readers: Everyone
GT2Vec: Large Language Models for Knowledge Graph Augmented Text Embedding
Jiacheng Lin, Kun Qian, Haoyu Han, Nurendra Choudhary, Tianxin Wei, Zhongruo Wang, Sahika Genc, Edward W Huang, Sheng Wang, Karthik Subbian, Danai Koutra, Jimeng Sun
- KDD 2025 Workshop SKnow-LLM Poster
- Readers: Everyone
Rec-R1: Bridging Generative Large Language Models and User-Centric Recommendation Systems via Reinforcement Learning
Jiacheng Lin, Tian Wang, Kun Qian
- OpenReview Archive Direct Upload
- Readers: Everyone
DeepRetrieval: Hacking Real Search Engines and Retrievers with Large Language Models via Reinforcement Learning
Pengcheng Jiang, Jiacheng Lin, Lang Cao, Runchu Tian, SeongKu Kang, Zifeng Wang, Jimeng Sun, Jiawei Han
- COLM 2025
- Readers: Everyone
Cascade Speculative Drafting for Even Faster LLM Inference
Ziyi Chen, Xiaocong Yang, Jiacheng Lin, Chenkai Sun, Kevin Chen-Chuan Chang, Jie Huang
- Arxiv; The Thirty-eighth Annual Conference on Neural Information Processing Systems
- Readers: Everyone
Robust Watermarking for Diffusion Models: A Unified Multi-Dimensional Recipe
Tianxin Wei, Ruizhong Qiu, Yifan Chen, Yunzhe Qi, Jiacheng Lin, Wenju Xu, Sreyashi Nag, Ruirui Li, Hanqing Lu, Zhengyang Wang, chen luo, Hui Liu, Suhang Wang, Jingrui He, Qi He, Xianfeng Tang
- ICLR 2025 Conference Withdrawn Submission
- Readers: Everyone

View all 22 publications

Co-Authors

View all 89 co-authors