collaborators

16 papers

eess.SP2026

MorphologyFM: A Foundation Model for Morphology-Aware Representation Learning from ECG and Pulse Oximetry Waveforms

Saiyang Feng, Yuanyun Zhang, Shi Li

Foundation models have recently emerged as a powerful paradigm for learning transferable representations from large scale biomedical data, yet existing approaches for physiological…

cs.LG2026

AURORA: Contextual Orthogonalization for Geometric Representation Learning in Healthcare Foundation Models

Yuanyun Zhang, Shi Li

Recent healthcare foundation models have achieved strong predictive performance through large scale self supervised learning, yet their latent representations frequently entangle p…

cs.LG2026

WISTERIA: Learning Clinical Representations from Noisy Supervision via Multi-View Consistency in Electronic Health Records

Ruan Dong, Yuanyun Zhang, Shi Li

Representation learning in electronic health records (EHR) has largely followed paradigms inherited from natural language processing, relying on sequence modeling and reconstructio…

cs.LG2026

Event Fields: Learning Latent Event Structure for Waveform Foundation Models

Li Na, Yuanyun Zhang, Shi Li

We propose a new class of waveform foundation models that departs from conventional sequence based representations by modeling physiological time series as realizations of latent e…

cond-mat.mtrl-sci2026

From Knowledge to Action: Outcomes of the 2025 Large Language Model (LLM) Hackathon for Applications in Materials Science and Chemistry

Aritra Roy, Kevin Shen, Andrew MacBride +350

Large language models (LLMs) are rapidly changing how researchers in materials science and chemistry discover, organize, and act on scientific knowledge. This paper analyzes a broa…

cs.LG2026

Uncertainty-Aware Foundation Models for Clinical Data

Qian Zhou, Yuanyun Zhang, Shi Li

Healthcare foundation models have largely followed paradigms from natural language processing and computer vision, emphasizing large scale pretraining and deterministic representat…