Very related to differential privacy: https://research.googleblog.com/2015/08/the-reusable-holdout-preserving.html?m=1 https://research.googleblog.com/2015/08/t

Very related to differential privacy: https://research.googleblog.com/2015/08/the-reusable-holdout-preserving.html?m=1 https://research.googleblog.com/2015/08/the-reusable-holdout... (together with IBM and Samsung)