Event
Active learning and A-Optimal Experimental Design - Eldad Haber, Professor, UBC

DATE: Mon, July 13, 2020 - 3:00 pm

LOCATION: Please register to receive the Zoom link

DETAILS


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Abstract:

In this work we discuss the problem of active learning. We present an approach that is based on A-optimal experimental design of ill-posed problems and show how one can optimally label a data set by partially probing it, and use it to train a model. We present two methods. The first is based on a Bayesian interpretation of the semi-supervised learning problem with the graph Laplacian and the second is based on a frequentist approach. The frequentist approach allows to slowly probe the data and adaptively label the data to reduce the error in the recovery of the labels.

 

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