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Qingyun Wang

William & Mary

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#artificial intelligence Preprint Oct 2026

It Takes Workflows to Evolve Better Workflows

Tackling complex real-world tasks can exceed the capabilities of a single large language model (LLM), motivating the use of multi-agent workflows that coordinate specialized agents to work together on these tasks. Recent methods train LLMs to construct better workflows from execution outcomes, but they optimize only th...

Xue-Hang Guo, Hao-Yu Wang, Hai-Feng Chen et al. · 0 citations
#artificial intelligence Preprint Oct 2026

Pay for the Fault, Not the Flow: Label-Free In-Flow Multi-Agent Workflow Optimization

Large language models (LLMs) increasingly construct multi-agent workflows that decompose a complex task and assign specialist agents from a pool. However, building such a workflow well remains challenging: how finely to divide the task, which agent to trust with each subtask, and when to create a new specialist are all...

Xue-Hang Guo, Hao-Yu Wang, Sheng-Yu Chen et al. · 0 citations
#artificial intelligence Preprint Sep 2026

ATTRICITE: Training an Open 4B Model for Citation Recovery toward Faithful Attribution

ATTRICITE, an open 4B-parameter model trained for tool-using citation recovery within the CiteGuard retrieval environment, is introduced and the model and collection pipeline are released to support reproducible research on citation recovery toward faithful attribution in a continually evolving scientific literature.

Yee Man Choi, Xuehang Guo, Songcheng Cai et al. · 0 citations
#small language model Preprint Aug 2026

Decoupled Physical Modeling and Execution for Physics Reasoning

A unified framework is introduced that distills intermediate representations that explicitly encode the physical modeling process and adopt a two-stage post-training strategy, where supervised fine-tuning establishes structured modeling, and reinforcement learning with rubric-based feedback improves the quality of the...

Ye Zhang, Xue-Hang Guo, Rui Pan et al. · 1 citation

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