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Bianca Dumitrascu

4 accepted papers

2020

Patient-Specific Effects of Medication Using Latent Force Models with Gaussian Processes

AISTATS 2020poster

A multi-output Gaussian process (GP) is a flexible Bayesian nonparametric framework that has proven useful in jointly modeling the physiological states of patients in medical time series data. However, capturing the short-term effects of drugs and therapeutic interventions on patient physiological s…

2019

End-to-end Training of Deep Probabilistic CCA on Paired Biomedical Observations

UAI 2019poster

Medical pathology images are visually evaluated by experts for disease diagnosis, but the connection between image features and the state of the cells in an image is typically unknown. To understand this relationship, we develop a multimodal modeling and inference framework that estimates shared lat…

2018

PG-TS: Improved Thompson Sampling for Logistic Contextual Bandits

NeurIPS 2018poster

We address the problem of regret minimization in logistic contextual bandits, where a learner decides among sequential actions or arms given their respective contexts to maximize binary rewards. Using a fast inference procedure with Polya-Gamma distributed augmentation variables, we propose an impro…

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