Search Results for author: Emmanouil Zampetakis

Found 3 papers, 0 papers with code

Private and Non-private Uniformity Testing for Ranking Data

no code implementations NeurIPS 2021 Róbert Busa-Fekete, Dimitris Fotakis, Emmanouil Zampetakis

We study the problem of uniformity testing for statistical data that consists of rankings over $m$ items where the alternative class is restricted to Mallows models with single parameter.

Identity testing for Mallows model

no code implementations NeurIPS 2021 Róbert Busa-Fekete, Dimitris Fotakis, Balazs Szorenyi, Emmanouil Zampetakis

In this paper, we devise identity tests for ranking data that is generated from Mallows model both in the \emph{asymptotic} and \emph{non-asymptotic} settings.

Optimal Approximation - Smoothness Tradeoffs for Soft-Max Functions

no code implementations NeurIPS 2020 Alessandro Epasto, Mohammad Mahdian, Vahab Mirrokni, Emmanouil Zampetakis

A soft-max function has two main efficiency measures: (1) approximation - which corresponds to how well it approximates the maximum function, (2) smoothness - which shows how sensitive it is to changes of its input.

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