Causal Representation Learning from Multimodal Clinical Records under Non-Random Modality Missingness. - Zihan Liang 002; Ziwen Pan; Ruoxuan Xiong (EMNLP, 2025)

CareLab at #SMM4H-HeaRD 2025: Insomnia Detection and Food Safety Event Extraction with Domain-Aware Transformers. - Zihan Liang 002; Ziwen Pan; Sumon Kanti Dey; Azra Ismail (CoRR, 2025)

DART: Mitigating Harm Drift in Difference-Aware LLMs via Distill-Audit-Repair Training. - Ziwen Pan; Zihan Liang 002; Jad Kabbara; Ali Emami (CoRR, 2026)

Learning Dynamic Representations and Policies from Multimodal Clinical Time-Series with Informative Missingness. - Zihan Liang 002; Ziwen Pan; Ruoxuan Xiong (CoRR, 2026)