activity
20142026
most citedPEPPER: Empowering User-Centric Recommender Systems over Gossip Learning

30 citations · 90 across the 12 of their papers we have counts for

collaborators

12 papers

cs.CR2026

Giskard : Byzantine Robust and Private Aggregation for Large-Scale Decentralized Learning

Ousmane Touat, César Sabater, Mohamed Maouche +1

In decentralized learning, clients train a machine learning model while keeping their data locally and share their model parameters or gradients with a set of neighbors, making it…

cs.LG2025

DOME: Improving Signal-to-Noise in Stochastic Gradient Descent via Sharp-Direction Subspace Filtering

Julien Nicolas, Mohamed Maouche, Sonia Ben Mokhtar +1

Stochastic gradients for deep neural networks exhibit strong correlations along the optimization trajectory, and are often aligned with a small set of Hessian eigenvectors associat…

cs.LG2025

GRANITE : a Byzantine-Resilient Dynamic Gossip Learning Framework

Yacine Belal, Mohamed Maouche, Sonia Ben Mokhtar

Gossip Learning (GL) is a decentralized learning paradigm where users iteratively exchange and aggregate models with a small set of neighboring peers. Recent approaches rely on dyn…

cs.CR2025★ 3 cited

TEE-based Key-Value Stores: a Survey

Aghiles Ait Messaoud, Sonia Ben Mokhtar, Anthony Simonet-Boulogne

Key-Value Stores (KVSs) are No-SQL databases that store data as key-value pairs and have gained popularity due to their simplicity, scalability, and fast retrieval capabilities. Ho…

cs.LG2024

Exposing the Vulnerability of Decentralized Learning to Membership Inference Attacks Through the Lens of Graph Mixing

Ousmane Touat, Jezekael Brunon, Yacine Belal +4

The primary promise of decentralized learning is to allow users to engage in the training of machine learning models in a collaborative manner while keeping their data on their pre…

cs.IR2023★ 1 cited

Inferring Communities of Interest in Collaborative Learning-based Recommender Systems

Yacine Belal, Sonia Ben Mokhtar, Mohamed Maouche +1

Collaborative-learning-based recommender systems, such as those employing Federated Learning (FL) and Gossip Learning (GL), allow users to train models while keeping their history…

cs.LG2023

Survey of Federated Learning Models for Spatial-Temporal Mobility Applications

Yacine Belal, Sonia Ben Mokhtar, Hamed Haddadi +2

Federated learning involves training statistical models over edge devices such as mobile phones such that the training data is kept local. Federated Learning (FL) can serve as an i…

cs.IR2022★ 30 cited

PEPPER: Empowering User-Centric Recommender Systems over Gossip Learning

Yacine Belal, Aurélien Bellet, Sonia Ben Mokhtar +1

Recommender systems are proving to be an invaluable tool for extracting user-relevant content helping users in their daily activities (e.g., finding relevant places to visit, conte…

cs.CR2022★ 19 cited

Shielding Federated Learning Systems against Inference Attacks with ARM TrustZone

Aghiles Ait Messaoud, Sonia Ben Mokhtar, Vlad Nitu +1

Federated Learning (FL) opens new perspectives for training machine learning models while keeping personal data on the users premises. Specifically, in FL, models are trained on th…

cs.CR2016

Adaptive Location Privacy with ALP

Vincent Primault, Antoine Boutet, Sonia Ben Mokhtar +1

With the increasing amount of mobility data being collected on a daily basis by location-based services (LBSs) comes a new range of threats for users, related to the over-sharing o…

cs.CR2015★ 9 cited

Privacy-preserving Publication of Mobility Data with High Utility

Vincent Primault, Sonia Ben Mokhtar, Lionel Brunie

An increasing amount of mobility data is being collected every day by different means, e.g., by mobile phone operators. This data is sometimes published after the application of si…

cs.CR2014★ 28 cited

Differentially Private Location Privacy in Practice

Vincent Primault, Sonia Ben Mokhtar, Cedric Lauradoux +1

With the wide adoption of handheld devices (e.g. smartphones, tablets) a large number of location-based services (also called LBSs) have flourished providing mobile users with real…