Béchara Al Bouna

K-NN Classification under Homomorphic Encryption: Application on a Labeled Eigen Faces Dataset

2016

The wide deployment of public cloud computing infrastructures has become an appealing solution for the advantages of flexibility and cost saving, but the risk of being exposed to privacy and security issues refrains a lot …

Improving the utility of locally differentially private protocols for longitudinal and multidimensional frequency estimates

2022 · Digital Communications and Networks

This paper investigates the problem of collecting multidimensional data throughout time (i.e., longitudinal studies) for the fundamental task of frequency estimation under Local Differential Privacy (LDP) guarantees. Contrary to frequency estimation of a single attribute, …