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Talk by Prof. Edwin Bonilla (Data61) on Apr. 23, 10:30-11:30am

Tue, 23 Apr 2019 10:30 - 12:00

RIKEN AIP (Nihombashi) Open area

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Title Variational Network Inference: Strong and Stable with Concrete Support

Abstract Traditional methods for the discovery of latent network structures are limited in two ways: they either assume that all the signal comes from the network (i.e. there is no source of signal outside the network) or they place constraints on the network parameters to ensure model or algorithmic stability. We address these limitations by proposing a model that incorporates a Gaussian process prior on a network-independent component and formally proving that we get algorithmic stability for free, while providing a novel perspective on model stability as well as robustness results and precise intervals for key inference parameters. We show that, on three applications, our approach outperforms previous methods consistently.

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