Holger Fröhlich

Variational Autoencoder Modular Bayesian Networks for Simulation of Heterogeneous Clinical Study Data

2020 · Frontiers in Big Data

In the area of Big Data, one of the major obstacles for the progress of biomedical research is the existence of data "silos" because legal and ethical constraints often do not allow for sharing sensitive …

A benchmark of text embedding models for semantic harmonization of Alzheimer's disease cohorts

2025 · The Journal of Prevention of Alzheimer s Disease

BACKGROUND: Harmonizing diverse healthcare datasets is a challenging task due to inconsistent naming conventions. Manual harmonization is time- and resource-intensive, limiting scalability for multi-cohort Alzheimer's Disease research. Large Language Models, or specifically text-embedding models, offer …