activity
20242026
collaborators

10 papers

cs.CL2026

CoME: Empowering Channel-of-Mobile-Experts with Informative Hybrid-Capabilities Reasoning

Yuxuan Liu, Weikai Xu, Kun Huang +9

Mobile Agents can autonomously execute user instructions, which requires hybrid-capabilities reasoning, including screen summary, subtask planning, action decision and action funct…

cs.LG2026

GEM: A Gym for Agentic LLMs

Zichen Liu, Anya Sims, Keyu Duan +16

The training paradigm for large language models (LLMs) is moving from static datasets to experience-based learning, where agents acquire skills via interacting with complex environ…

cs.LG2025

Understanding R1-Zero-Like Training: A Critical Perspective

Zichen Liu, Changyu Chen, Wenjun Li +5

DeepSeek-R1-Zero has shown that reinforcement learning (RL) at scale can directly enhance the reasoning capabilities of LLMs without supervised fine-tuning. In this work, we critic…

cs.AI2025

Unlocking Large Language Model's Planning Capabilities with Maximum Diversity Fine-tuning

Wenjun Li, Changyu Chen, Pradeep Varakantham

Large language models (LLMs) have demonstrated impressive task-solving capabilities through prompting techniques and system designs, including solving planning tasks (e.g., math pr…

cs.LG2025

Efficient Process Reward Model Training via Active Learning

Keyu Duan, Zichen Liu, Xin Mao +5

Process Reward Models (PRMs) provide step-level supervision to large language models (LLMs), but scaling up training data annotation remains challenging for both humans and LLMs. T…

cs.CL2025

Bootstrapping Language Models with DPO Implicit Rewards

Changyu Chen, Zichen Liu, Chao Du +5

Human alignment in large language models (LLMs) is an active area of research. A recent groundbreaking work, direct preference optimization (DPO), has greatly simplified the proces…