collaborators

8 papers

cs.CL2025

ProFuser: Progressive Fusion of Large Language Models

Tianyuan Shi, Fanqi Wan, Canbin Huang +6

While fusing the capacities and advantages of various large language models offers a pathway to construct more powerful and versatile models, a fundamental challenge is to properly…

cs.CL2025

ProactiveEval: A Unified Evaluation Framework for Proactive Dialogue Agents

Tianjian Liu, Fanqi Wan, Jiajian Guo +1

Proactive dialogue has emerged as a critical and challenging research problem in advancing large language models (LLMs). Existing works predominantly focus on domain-specific or ta…

cs.LG2025

Mutual-Taught for Co-adapting Policy and Reward Models

Tianyuan Shi, Canbin Huang, Fanqi Wan +5

During the preference optimization of large language models (LLMs), distribution shifts may arise between newly generated model samples and the data used to train the reward model…

cs.CL2025

BlockPruner: Fine-grained Pruning for Large Language Models

Longguang Zhong, Fanqi Wan, Ruijun Chen +2

With the rapid growth in the size and complexity of large language models (LLMs), the costs associated with their training and inference have escalated significantly. Research indi…

cs.CL2025

FuseRL: Dense Preference Optimization for Heterogeneous Model Fusion

Longguang Zhong, Fanqi Wan, Ziyi Yang +3

Heterogeneous model fusion enhances the performance of LLMs by integrating the knowledge and capabilities of multiple structurally diverse models. However, existing approaches ofte…

cs.CL2025

FuseChat-3.0: Preference Optimization Meets Heterogeneous Model Fusion

Ziyi Yang, Fanqi Wan, Longguang Zhong +3

We introduce FuseChat-3.0, a suite of large language models (LLMs) developed by integrating the strengths of heterogeneous source LLMs into more compact target LLMs. Our source mod…