Junjie Peng 彭俊杰

Biography

I am currently a master's student in the School of Computer Science and Engineering at Sun Yat-sen University, advised by Prof. Jianhuang Lai and Prof. Xiaohua Xie.

I received my B.Eng. degree from Shandong University in 2025, advised by Associate Prof. Xin Luo. I have also been a fully funded visiting student at ShanghaiTech University, advised by Prof. Kewei Tu.

Research interests: Efficient Foundation Models, Long-Context LLMs, and Multimodal Learning.

News

• [08/2026] COSMO is released on arXiv.
• [08/2026] GRKV is accepted to the EMNLP 2026 Main Conference.
• [06/2025] OH-CMH is accepted to Knowledge-Based Systems.

Publications

* denotes the corresponding author.

COSMO: Consensus-Driven Shift Modulation for Source-Free Domain Adaptation

Bo Li, Junjie Peng, Xiaohua Xie*, Jianhuang Lai

arXiv, 2026

[Paper]

GRKV: Global Regression for Training-Free KV Cache Compression in Long-Context LLMs

Junjie Peng, You Wu, Haoyi Wu, Jialong Han, Xiaohua Xie, Kewei Tu*, Jianhuang Lai*

EMNLP, 2026 Main Conference

[Paper] [Code]

OH-CMH: Towards Cross-Modal Hashing for Streaming Data with Hierarchical Labels and Label Increment Scenario

Junjie Peng, Chong-Yu Zhang, Na Wang, Yu-Wei Zhan, Zhen-Duo Chen, Yongxin Wang, Xin Luo*, Xin-Shun Xu

Knowledge-Based Systems, 2025

[Paper] [Code]

Honours and Awards

• Sun Yat-sen University Master's Student Scholarship (中山大学硕士研究生奖助金), 2026.
• Honorable Bachelor Degree of Shandong University (山东大学荣誉学士学位), 2025.
• Outstanding Bachelor's Thesis in Shandong University (山东大学优秀学士学位论文), 2025.
• Scholarship of Shandong University for Undergraduate Student (山东大学本科生学业奖学金), 2022, 2023, 2024.