collaborators

7 papers

cs.AI2026

KNOWPLAN: Knowledge-Driven AI Agents for Smart Degree Pathway Planning

Shuheng Cao, Weijia Zhang, Jiaqi Wu +4

Planning a degree from official university sources requires solving two problems in order. The institution's curriculum must first be reconstructed from catalogs, departmental page…

cs.SE2026

CUADebug: Diagnosing and Repairing Computer-Use Agent Failures

Weijia Zhang, Kunlun Zhu, Zeyi Liu +8

Computer-use agents (CUAs) operate real desktop and web interfaces through screenshots, mouse and keyboard actions, and stateful UI feedback, yet their failures remain difficult to…

cs.AI2026

AgentDebugX: An Open-Source Toolkit for Failure Observability, Attribution, and Recovery in LLM Agents

Kunlun Zhu, Xuyan Ye, Zhiguang Han +9

LLM agent failures are difficult to debug because the step where an error surfaces is often not the one that caused it. Existing observability tools replay execution traces but pro…

cs.LG2026

VSPO: Vector-Steered Policy Optimization for Behavioral Control

Xuechen Zhang, Zijian Huang, Kai Yang +3

Modern language models often need to optimize a primary accuracy objective while also accommodating secondary behavioral preferences, such as verbosity, agreeableness, or the level…

cs.HC2026

Justified or Just Convincing? Error Verifiability as a Dimension of LLM Quality

Xiaoyuan Zhu, Kimberly Le Truong, Riccardo Fogliato +8

As LLMs are deployed in high-stakes settings, users must judge the correctness of individual responses, often relying on model-generated justifications such as reasoning chains or…

cs.MA2025

SeeingEye: Agentic Information Flow Unlocks Multimodal Reasoning In Text-only LLMs

Weijia Zhang, Zijia Liu, Haoru Li +2

Recent advances in text-only large language models (LLMs), such as DeepSeek-R1, demonstrate remarkable reasoning ability. However, these models remain fragile or entirely incapable…