Why Your Deep Research Agent Fails? On Hallucination Evaluation in Full Research Trajectory

Yuhao Zhan, Tianyu Fan, Linxuan Huang, Zirui Guo, Chao Huang.
Preprint, 2026

THINKGEC: A Cognitive and Pedagogical Framework for LLM-based Grammatical Error Correction

Yu Gu*, Yuqing Zhang*, Yawen Zheng, Haoxiang Wu, Jing Yuan, Yuhao Zhan, Zemin Liu, Yuan Li, Jing Ying, Fei Wu.
ACL ARR 2026 (Under Review)

JELV: A Judge of Edit-Level Validity for Evaluation and Automated Reference Expansion in Grammatical Error Correction

Yuhao Zhan, Yuqing Zhang, Jing Yuan, Qixiang Ma, Zhiqi Yang, Yu Gu, Zemin Liu, Fei Wu.
AAAI 2026 (Oral)