Search Results for author: Stefan Webb

Found 5 papers, 3 papers with code

GRAND: Graph Neural Diffusion

1 code implementation NeurIPS Workshop DLDE 2021 Benjamin Paul Chamberlain, James Rowbottom, Maria Gorinova, Stefan Webb, Emanuele Rossi, Michael M. Bronstein

We present Graph Neural Diffusion (GRAND) that approaches deep learning on graphs as a continuous diffusion process and treats Graph Neural Networks (GNNs) as discretisations of an underlying PDE.

Graph Learning

Statistically Robust Neural Network Classification

1 code implementation10 Dec 2019 Benjie Wang, Stefan Webb, Tom Rainforth

The SRR provides a distinct and complementary measure of robust performance, compared to natural and adversarial risk.

Classification General Classification

A Statistical Approach to Assessing Neural Network Robustness

1 code implementation ICLR 2019 Stefan Webb, Tom Rainforth, Yee Whye Teh, M. Pawan Kumar

Furthermore, it provides an ability to scale to larger networks than formal verification approaches.

Faithful Inversion of Generative Models for Effective Amortized Inference

no code implementations NeurIPS 2018 Stefan Webb, Adam Golinski, Robert Zinkov, N. Siddharth, Tom Rainforth, Yee Whye Teh, Frank Wood

Inference amortization methods share information across multiple posterior-inference problems, allowing each to be carried out more efficiently.

Distributed Bayesian Learning with Stochastic Natural-gradient Expectation Propagation and the Posterior Server

no code implementations31 Dec 2015 Leonard Hasenclever, Stefan Webb, Thibaut Lienart, Sebastian Vollmer, Balaji Lakshminarayanan, Charles Blundell, Yee Whye Teh

The posterior server allows scalable and robust Bayesian learning in cases where a data set is stored in a distributed manner across a cluster, with each compute node containing a disjoint subset of data.

Variational Inference

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