| Paper ID | D3-S5-T3.2 |
| Paper Title |
Regularized Loss Minimizers with Local Data Perturbation: Consistency and Data Irrecoverability |
| Authors |
Zitao Li, Jean Honorio, Purdue University, United States; , |
| Session |
D3-S5-T3: Privacy & Learning |
| Chaired Session: |
Wednesday, 14 July, 23:20 - 23:40 |
| Engagement Session: |
Wednesday, 14 July, 23:40 - 00:00 |
| Abstract |
We introduce a new concept, data irrecoverability, and show that the well-studied concept of data privacy is sufficient but not necessary for data irrecoverability. We show that there are several regularized loss minimization problems that can use perturbed data with theoretical guarantees of generalization, i.e., loss consistency. Our results quantitatively connect the convergence rates of the learning problems to the impossibility for any adversary for recovering the original data from perturbed observations. In addition, we show several examples where the convergence rates with perturbed data only increase the convergence rates with original data within a constant factor related to the amount of perturbation, i.e., noise.
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