collaborators

6 papers

cs.AI2026

AllMem: A Memory-centric Recipe for Efficient Long-context Modeling

Ziming Wang, Xiang Wang, Kailong Peng +5

Large Language Models (LLMs) encounter significant performance bottlenecks in long-sequence tasks due to the computational complexity and memory overhead inherent in the self-atten…

cs.CL2026

Chronos: Learning Temporal Dynamics of Reasoning Chains for Test-Time Scaling

Kai Zhang, Jiayi Liao, Chengpeng Li +3

Test-Time Scaling (TTS) has emerged as an effective paradigm for improving the reasoning performance of large language models (LLMs). However, existing methods -- most notably majo…

cs.CL2026

SAFER: Probing Safety in Reward Models with Sparse Autoencoder

Wei Shi, Ziyuan Xie, Sihang Li +1

Reinforcement learning from human feedback (RLHF) is a key paradigm for aligning large language models (LLMs) with human values, yet the reward models at its core remain largely op…

cs.LG2026

Differentially Private Subspace Fine-Tuning for Large Language Models

Lele Zheng, Xiang Wang, Tao Zhang +3

Fine-tuning large language models on downstream tasks is crucial for realizing their cross-domain potential but often relies on sensitive data, raising privacy concerns. Differenti…

cs.LG2025

Interpretable Reward Model via Sparse Autoencoder

Shuyi Zhang, Wei Shi, Sihang Li +3

Large language models (LLMs) have been widely deployed across numerous fields. Reinforcement Learning from Human Feedback (RLHF) leverages reward models (RMs) as proxies for human…

cs.LG2025

Editing as Unlearning: Are Knowledge Editing Methods Strong Baselines for Large Language Model Unlearning?

Zexi Li, Xiangzhu Wang, William F. Shen +5

Large language Model (LLM) unlearning, i.e., selectively removing information from LLMs, is vital for responsible model deployment. Differently, LLM knowledge editing aims to modif…