Publications

2026

• Learning Posterior Teachers for On-Policy Distillation
  Liang Chen, Xueting Han, Tong Che, Hongzong Li, Jing Bai
  Math-AI@NeurIPS 2026

• DoubtLess: Training-Free Contrastive Decoding for Efficient Mathematical Reasoning
  Minghao Luo, Liang Chen⁺
  Math-AI@NeurIPS 2026

• One Polluted Page Is Enough: Evaluating Web Content Pollution in Generative Recommenders
  Minghao Luo, Liang Chen⁺
  EMNLP 2026 findings

• Beyond Two-Stage Training: Cooperative SFT and RL for LLM Reasoning
  Liang Chen, Xueting Han, Li Shen, Jing Bai, Kam-Fai Wong
  ICML 2026

• EEPO: Exploration-Enhanced Policy Optimization via Sample-Then-Forget
  Liang Chen, Xueting Han, Qizhou Wang, Bo Han, Jing Bai, Hinrich Schütze, Kam-Fai Wong
  ICLR 2026

• A Survey of the Evolution of Language Model-Based Dialogue Systems: Data, Task and Models
  Hongru Wang, Lingzhi Wang, Yiming Du, Liang Chen, Jingyan Zhou, Yufei Wang, Kam-Fai Wong
  ACM Computing Surveys

2025

• Vulnerability-Aware Alignment: Mitigating Uneven Forgetting in Harmful Fine-Tuning
  Liang Chen, Xueting Han, Li Shen, Jing Bai, Kam-Fai Wong
  ICML 2025

• PEARL: Towards Permutation-Resilient LLMs
  Liang Chen, Li Shen, Yang Deng, Xiaoyan Zhao, Bin Liang, Kam-Fai Wong
  ICLR 2025

2024

• WatME: Towards Lossless Watermarking Through Lexical Redundancy
  Liang Chen, Yatao Bian, Yang Deng, Deng Cai, Shuaiyi Li, Peilin Zhao, Kam-Fai Wong
  ACL 2024

• Consecutive Batch Model Editing with HooK Layers
  Shuaiyi Li, Yang Deng, Deng Cai, Hongyuan Lu, Liang Chen, Wai Lam
  EMNLP 2024

• SELF-GUARD: Empower the LLM to Safeguard Itself
  Zezhong Wang, Fangkai Yang, Lu Wang, Pu Zhao, Hongru Wang, Liang Chen, Qingwei Lin, Kam-Fai Wong
  NAACL 2024

2023

• Beyond Factuality: A Comprehensive Evaluation of Large Language Models as Knowledge Generators
  Liang Chen, Yang Deng, Yatao Bian, Zeyu Qin, Bingzhe Wu, Tat-Seng Chua, Kam-Fai Wong
  EMNLP 2023

• Towards Robust Personalized Dialogue Generation via Order-Insensitive Representation Regularization
  Liang Chen, Hongru Wang, Yang Deng, Wai Chung Kwan, Zezhong Wang, Kam-Fai Wong
  ACL 2023 findings

• Prompting and Evaluating Large Language Models for Proactive Dialogues: Clarification, Target-guided, and Non-collaboration
  Yang Deng, Lizi Liao, Liang Chen, Hongru Wang, Wenqiang Lei, Tat-Seng Chua
  EMNLP 2023 findings

Preprints

• Controlled Memory Interference in Continual LLM Agents
  Ao Ding, Hongzong Li, Shiqin Tang, Li Zhang, Liang Chen, Xuyang Chen, Zi Liang