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Sinead A. Williamson

3 accepted papers

2024

Posterior Uncertainty Quantification in Neural Networks using Data Augmentation

AISTATS 2024poster

In this paper, we approach the problem of uncertainty quantification in deep learning through a predictive framework, which captures uncertainty in model parameters by specifying our assumptions about the predictive distribution of unseen future data. Under this view, we show that deep ensembling (L…

2016

Variance Reduction in Stochastic Gradient Langevin Dynamics

NeurIPS 2016poster

Stochastic gradient-based Monte Carlo methods such as stochastic gradient Langevin dynamics are useful tools for posterior inference on large scale datasets in many machine learning applications. These methods scale to large datasets by using noisy gradients calculated using a mini-batch or subset o…

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