collaborators

6 papers

cs.AI2026

Illusion of Alignment: Detecting Hidden Disagreement in Collaborative Dialogue

Kaiming Liu, Fuwen Luo, Ziyue Wang +6

Collaborative dialogue can end with apparent agreement while participants still differ on goals, assumptions, or execution plans, creating an \textbf{illusion of alignment (IoA)}.…

cs.CL2026

State2State: Environment-Derived Mid-Training for LLM Agents

Xuanyu Lei, Yiqi Zhu, Chenliang Li +6

Training LLM agents commonly relies on supervised fine-tuning from expert trajectories or online reinforcement learning over human-specified tasks with handcrafted verifiers. Thoug…

cs.LG2026

Enhancing LLM Metacognition via Cognitive Pairwise Training

Weitao Li, Hao Zhou, Xuanyu Lei +11

Reinforcement learning with verifiable rewards (RLVR) has become central to LLM reasoning, but its outcome-level rewards can make models more willing to give confident answers when…

cs.CL2026

Writing-RL: Advancing Long-form Writing via Adaptive Curriculum Reinforcement Learning

Xuanyu Lei, Chenliang Li, Yuning Wu +7

Recent advances in Large Language Models(LLMs) have enabled strong performance in long-form writing, but current training paradigms remain limited: Supervised Fine-Tuning (SFT) rem…

cs.CL2025

Efficient Dynamic Clustering-Based Document Compression for Retrieval-Augmented-Generation

Weitao Li, Kaiming Liu, Xiangyu Zhang +3

Retrieval-Augmented Generation (RAG) has emerged as a widely adopted approach for knowledge injection during large language model (LLM) inference in recent years. However, due to t…

cs.AI2025

Agent-Environment Alignment via Automated Interface Generation

Kaiming Liu, Xuanyu Lei, Ziyue Wang +2

Large language model (LLM) agents have shown impressive reasoning capabilities in interactive decision-making tasks. These agents interact with environment through intermediate int…