Sen Yang

Final-year PhD Candidate at The Chinese University of Hong Kong

Natural Language Processing · Large Language Models · LLM Pre-training & Mid-training

Hi, I am a final-year PhD candidate at The Chinese University of Hong Kong, advised by Prof. Wai Lam. My research focuses on natural language processing and large language models. More recently, I have been working at Qwen on pre-training and mid-training of LLMs.

During my PhD, I have conducted research at Shanghai AI Lab, Tencent AI Lab, and Alibaba DAMO Academy. Prior to starting my PhD, I worked as a research assistant under the supervision of Prof. Yue Zhang. I received my bachelor’s degree from Xi’an Jiaotong University.

Research Papers

* indicates equal contribution.

2026

Multi-LLM Collaborative Search for Complex Problem Solving

Sen Yang, Yafu Li, Wai Lam, Yu Cheng

Findings of ACL 2026

Paper

2025

Neuro-Symbolic Integration Brings Causal and Reliable Reasoning Proofs

Sen Yang, Xin Li, Leyang Cui, Lidong Bing, Wai Lam

Findings of NAACL 2025

Paper Code

LoGU: Long-form Generation with Uncertainty Expressions

Ruihan Yang, Caiqi Zhang, Zhisong Zhang, Xinting Huang, Sen Yang, Nigel Collier, Dong Yu, Deqing Yang

Proceedings of ACL 2025

Paper

Atomic Calibration of LLMs in Long-Form Generations

Caiqi Zhang, Ruihan Yang, Zhisong Zhang, Xinting Huang, Sen Yang, Dong Yu, Nigel Collier

Findings of IJCNLP & AACL 2025

Paper

2024

Not All Preference Pairs Are Created Equal: A Recipe for Annotation-Efficient Iterative Preference Learning

Sen Yang, Leyang Cui, Deng Cai, Xinting Huang, Shuming Shi, Wai Lam

Findings of EMNLP 2024

Paper

SeaLLMs — Large Language Models for Southeast Asia

Xuan-Phi Nguyen*, Wenxuan Zhang*, Xin Li*, Mahani Aljunied*, Qingyu Tan, Liying Cheng, Guanzheng Chen, Yue Deng, Sen Yang, Chaoqun Liu, Hang Zhang, Lidong Bing

Proceedings of ACL 2024: System Demonstrations

Paper Code Demo