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10 July 2025 | Cynthia Dwork, Vitaly Feldman, Moritz Hardt, Toniann Pitassi, Omer Reingold, and Aaron Roth

10-year Test-of-Time award

The 10-year Test-of-Time award recognized three seminal papers published in STOC 2015

Thumb ticker sm moritz hardt
Moritz Hardt

Moritz Hardt is a co-recipient of the ACM STOC 2025 10-Year Test of Time Award for the paper "Preserving Statistical Validity in Adaptive Data Analysis", co-authored by Cynthia Dwork, Vitaly Feldman, Moritz Hardt, Toniann Pitassi, Omer Reingold, and Aaron Roth. ACM-STOC (Symposium on Theory of Computing) is the leading theory conference.

The paper on Preserving Statistical Validity in Adaptive Data Analysis studies the fundamental problem in statistics of how to perform adaptive analysis on a dataset without overfitting. This work provided the first principled framework to study this problem, establishing that differentially private computations can be used towards ensuring statistical validity. The deep connection between differential privacy and statistics demonstrated that privacy is not only important as an end goal but can also improve seemingly unrelated aspects of statistical analysis. This paper inspired new lines of work on differential privacy and generalization and influenced how practitioners think about data reuse.