Jiabao Ji

Ph.D. Student at UCSB

jiabaoji [AT] ucsb.edu

Bio

Hi! I'm Jiabao Ji, a third-year Ph.D. student at UCSB advised by Prof. Shiyu Chang. I also work closely with Dr. Yang Zhang.

My research focuses primarily on generative AI models. Recently, I am mainly focused on following areas:

Before joining UCSB, I obtained B.Eng. in Computer Science at ACM class, Shanghai Jiao Tong University. During my undergrad, I interned at X-lance Lab at SJTU working with Prof. Kai Yu and Prof. Lu Chen. I also had a remote summer intern at SLS group working with Prof. Tianxing He and Prof. James Glass.

Publications

Most recent publications on Google Scholar.
indicates equal contribution.

HardTests: Synthesizing High-Quality Test Cases for LLM Coding

Zhongmou He, Yee Man Choi, Kexun Zhang, Jiabao Ji, Junting Zhou, Dejia Xu, Ivan Bercovich, Aidan Zhang, Lei Li

Arxiv'25

Collision-and Reachability-Aware Multi-Robot Control with Grounded LLM Planners

Jiabao Ji, Yongchao Chen, Yang Zhang, Ramana Rao Kompella, Chuchu Fan, Gaowen Liu, Shiyu Chang

Arxiv'25

Thinkprune: Pruning long chain-of-thought of llms via reinforcement learning

Bairu Hou, Yang Zhang, Jiabao Ji, Yujian Liu, Kaizhi Qian, Jacob Andreas, Shiyu Chang

Arxiv'25

Reversing the Forget-Retain Objectives: An Efficient LLM Unlearning Framework from Logit Difference

Jiabao Ji, Yujian Liu, Yang Zhang, Gaowen Liu, Ramana Rao Kompella, Sijia Liu, Shiyu Chang

NeurIPS'24

Defending Large Language Models against Jailbreak Attacks via Semantic Smoothing

Jiabao Ji, Bairu Hou, Alexander Robey, George J Pappas, Hamed Hassani, Yang Zhang, Eric Wong, Shiyu Chang

Arxiv'24

Advancing the Robustness of Large Language Models through Self-Denoised Smoothing

Jiabao Ji, Bairu Hou, Zhen Zhang, Guanhua Zhang, Wenqi Fan, Qing Li, Yang Zhang, Gaowen Liu, Sijia Liu, Shiyu Chang

NAACL'24

Improving Diffusion Models for Scene Text Editing with Dual Encoders

Jiabao Ji, Guanhua Zhang, Zhaowen Wang, Bairu Hou, Zhifei Zhang, Brian Price, Shiyu Chang

TMLR'23

Towards Coherent Image Inpainting Using Denoising Diffusion Implicit Models

Guanhua Zhang, Jiabao Ji, Yang Zhang, Mo Yu, Tommi Jaakkola, Shiyu Chang

ICML'23

Controlling the Focus of Pretrained Language Generation Models

Jiabao Ji, Yoon Kim, James Glass, Tianxing He

Findings of ACL'22

HardTests: Synthesizing High-Quality Test Cases for LLM Coding

Zhongmou He, Yee Man Choi, Kexun Zhang, Jiabao Ji, Junting Zhou, Dejia Xu, Ivan Bercovich, Aidan Zhang, Lei Li

Arxiv'25

Collision-and Reachability-Aware Multi-Robot Control with Grounded LLM Planners

Jiabao Ji, Yongchao Chen, Yang Zhang, Ramana Rao Kompella, Chuchu Fan, Gaowen Liu, Shiyu Chang

Arxiv'25

Thinkprune: Pruning long chain-of-thought of llms via reinforcement learning

Bairu Hou, Yang Zhang, Jiabao Ji, Yujian Liu, Kaizhi Qian, Jacob Andreas, Shiyu Chang

Arxiv'25

Reversing the Forget-Retain Objectives: An Efficient LLM Unlearning Framework from Logit Difference

Jiabao Ji, Yujian Liu, Yang Zhang, Gaowen Liu, Ramana Rao Kompella, Sijia Liu, Shiyu Chang

NeurIPS'24

Defending Large Language Models against Jailbreak Attacks via Semantic Smoothing

Jiabao Ji, Bairu Hou, Alexander Robey, George J Pappas, Hamed Hassani, Yang Zhang, Eric Wong, Shiyu Chang

Arxiv'24

Advancing the Robustness of Large Language Models through Self-Denoised Smoothing

Jiabao Ji, Bairu Hou, Zhen Zhang, Guanhua Zhang, Wenqi Fan, Qing Li, Yang Zhang, Gaowen Liu, Sijia Liu, Shiyu Chang

NAACL'24

Improving Diffusion Models for Scene Text Editing with Dual Encoders

Jiabao Ji, Guanhua Zhang, Zhaowen Wang, Bairu Hou, Zhifei Zhang, Brian Price, Shiyu Chang

TMLR'23

Towards Coherent Image Inpainting Using Denoising Diffusion Implicit Models

Guanhua Zhang, Jiabao Ji, Yang Zhang, Mo Yu, Tommi Jaakkola, Shiyu Chang

ICML'23

DFM: Dialogue Foundation Model for Universal Large-Scale Dialogue-Oriented Task Learning

Zhi Chen, Jiabao Ji, Lu Chen, Yuncong Liu, Da Ma, Bei Chen, Mengyue Wu, Su Zhu, Jian-Guang Lou, Kai Yu

Arxiv'22

Controlling the Focus of Pretrained Language Generation Models

Jiabao Ji, Yoon Kim, James Glass, Tianxing He

Findings of ACL'22

WebSRC: A Dataset for Web-Based Structural Reading Comprehension

Xingyu Chen, Zihan Zhao, Lu Chen, Jiabao Ji, Danyang Zhang, Ao Luo, Yuxuan Xiong, Kai Yu

EMNLP'21

Vitæ

Full Resume in PDF.

Services

Conference reviewer: ICML'23, 24, 25; Neurips'23, 24, 25; ICLR'24, 25; CVPR'24, 25; ICCV' 25, ACL'24; COLM'24, 25; ARR 24 Dec

Workshop reviewer: Neurips'24 AdvML-Frontiers; RSS'25 FM4RoboPlan

TA: CSW8-W23; CS190I-W23,W24; CS165B-S22,S24

Misc

• I was a KDE+archlinux user with good animation and enormous amount of apps brought by pacman. But I changed to MacOS for more stable working environment. I also bought a Framework 16 for a better Linux experience.
• I started to use Vim and tiling window manager like i3/dwm/amethyst recently. Now I find aerospace to be a better TLM for macos.
• I watch many sports. I'm a fan of Leo Messi, Derrick Rose, Tadej Pogačar.
This website was built with jekyll based on a template by Martin Saveski. Thanks, Martin!