Search Results for author: Ishaq Aden-Ali

Found 6 papers, 0 papers with code

Optimal PAC Bounds Without Uniform Convergence

no code implementations18 Apr 2023 Ishaq Aden-Ali, Yeshwanth Cherapanamjeri, Abhishek Shetty, Nikita Zhivotovskiy

In this paper, we address this issue by providing optimal high probability risk bounds through a framework that surpasses the limitations of uniform convergence arguments.

Binary Classification Classification +1

The One-Inclusion Graph Algorithm is not Always Optimal

no code implementations19 Dec 2022 Ishaq Aden-Ali, Yeshwanth Cherapanamjeri, Abhishek Shetty, Nikita Zhivotovskiy

In one of the first COLT open problems, Warmuth conjectured that this prediction strategy always implies an optimal high probability bound on the risk, and hence is also an optimal PAC algorithm.

Privately Learning Mixtures of Axis-Aligned Gaussians

no code implementations NeurIPS 2021 Ishaq Aden-Ali, Hassan Ashtiani, Christopher Liaw

We show that if $\mathcal{F}$ is privately list-decodable, then we can privately learn mixtures of distributions in $\mathcal{F}$.

On the Sample Complexity of Privately Learning Unbounded High-Dimensional Gaussians

no code implementations19 Oct 2020 Ishaq Aden-Ali, Hassan Ashtiani, Gautam Kamath

These are the first finite sample upper bounds for general Gaussians which do not impose restrictions on the parameters of the distribution.

Vocal Bursts Intensity Prediction

On the Sample Complexity of Learning Sum-Product Networks

no code implementations5 Dec 2019 Ishaq Aden-Ali, Hassan Ashtiani

We show that the sample complexity of learning tree structured SPNs with the usual type of leaves (i. e., Gaussian or discrete) grows at most linearly (up to logarithmic factors) with the number of parameters of the SPN.

PAC learning

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