When in Doubt, Ask First: A Unified Retrieval Agent-Based System for Ambiguous and Unanswerable Question Answering. - Long S. T. Nguyen; Quynh T. N. Vo; Hung C. Luu; Tho T. Quan (IJCNLP-AACL (Findings), 2025)

ViPPS: Building a Multimodal Dataset for Physics Problem Solving in Vietnamese. - Quynh T. N. Vo; Xinh T. Le; Thao H. M. Tran; Tho T. Quan (MIWAI (2), 2025)

ViHERMES: A Graph-Grounded Multihop Question Answering Benchmark and System for Vietnamese Healthcare Regulations. - Long S. T. Nguyen; Quan M. Bui; Tin T. Ngo; Quynh T. N. Vo; Dung N. H. Le; Tho T. Quan (ACIIDS (1), 2026)

Enhancing large language model performance for automatic zero-shot multiple-choice question answering via single-token logit prompting. - Quoc Phu Dang; Phat T. Tran-Truong; Duc-Ly Vu; Long S. T. Nguyen; Quynh T. N. Vo; Tho Quan 001 (Comput. Educ. Artif. Intell., 2026)