Publications

2025

DecEx-RAG: Boosting Agentic Retrieval-Augmented Generation with Decision and Execution Optimization via Process Supervision

Yongqi Leng, Yikun Lei, Xikai Liu, Meizhi Zhong, Bojian Xiong, Yurong Zhang, Yan Gao, Yao Hu, Deyi Xiong

EMNLP 2025 (Industry)

Think-Search-Patch: A Retrieval-Augmented Reasoning Framework for Repository-Level Code Repair

Bojian Xiong, Yikun Lei, Xikai Liu, Shaowei Zhang, Pengyun Zhu, Yan Liu, Yongqi Leng, Ling Shi, Meizhi Zhong, Yurong Zhang, Yan Gao, Yao Hu, Deyi Xiong

EMNLP 2025 (Industry)

ZigZagKV: Dynamic KV Cache Compression for Long-context Modeling based on Layer Uncertainty

Meizhi Zhong, Xikai Liu, Chen Zhang, Yikun Lei, Yan Gao, Yao Hu, Kehai Chen, Min Zhang

COLING 2025

Understanding the RoPE Extensions of Long-Context LLMs: An Attention Perspective

Meizhi Zhong, Chen Zhang, Yikun Lei, Xikai Liu, Yan Gao, Yao Hu, Kehai Chen, Min Zhang

COLING 2025

2024

FuxiTranyu: A Multilingual Large Language Model Trained with Balanced Data

Haoran Sun, Renren Jin, Shaoyang Xu, Leiyu Pan, Supryadi, Menglong Cui, Jiangcun Du, Yikun Lei, Lei Yang, Ling Shi, Juesi Xiao, Shaolin Zhu, Deyi Xiong

arXiv 2024

End-to-End Speech Translation with Mutual Knowledge Distillation

Hao Wang, Zhengshan Xue, Yikun Lei, Deyi Xiong

ICASSP 2024

Regularizing Cross-Attention Learning for End-to-End Speech Translation with ASR and MT Attention Matrices

Xiaohu Zhao, Haoran Sun, Yikun Lei, Deyi Xiong

Expert Systems with Applications

2023

CKDST: Comprehensively and Effectively Distill Knowledge from Machine Translation to End-to-End Speech Translation

Yikun Lei, Zhengshan Xue, Xiaohu Zhao, Haoran Sun, Shaolin Zhu, Xiaodong Lin, Deyi Xiong

ACL Findings 2023

Towards a Deep Understanding of Multilingual End-to-End Speech Translation

Haoran Sun, Xiaohu Zhao, Yikun Lei, Shaolin Zhu, Deyi Xiong

EMNLP Findings 2023

CCSRD: Content-Centric Speech Representation Disentanglement Learning for End-to-End Speech Translation

Xiaohu Zhao, Haoran Sun, Yikun Lei, Shaolin Zhu, Deyi Xiong

EMNLP Findings 2023

2022