Directions in ML: Structured Models for Automated Machine Learning

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Опубликовано 8 июля 2021, 18:14
Speaker: Professor Madeleine Udell, Cornell University
Date: June 29, 2021

Automated machine learning (AutoML) seeks algorithmic methods for finding the best machine learning pipeline and hyperparameters to fit a new dataset. The complexity of this problem is astounding: viewed as an optimization problem, it entails search over an exponentially large space, with discrete and continuous variables. An efficient solution requires a strong structural prior on the optimization landscape of this problem.

In this talk, we survey some of the most powerful techniques for AutoML on tabular datasets. We will focus in particular on techniques for meta-learning: how to quickly learn good models on a new dataset given good models for a large collection of datasets. We will see that remarkably simple structural priors, such as the low-dimensional structure used by the AutoML method Oboe, produce state-of-the-art results. The success of these simple models suggests that AutoML may be simpler than was previously understood.

Learn more about the 2020-2021 Directions in ML: AutoML and Automating Algorithms virtual speaker series: aka.ms/diml
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