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20222025
most citedDecentralized Federated Learning: A Survey on Security and Privacy

166 citations · 274 across the 9 of their papers we have counts for

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6 papers · 1 filter

cs.LG2025

FedNIA: Noise-Induced Activation Analysis for Mitigating Data Poisoning in Federated Learning

Ehsan Hallaji, Roozbeh Razavi-Far, Mehrdad Saif

Federated learning systems are increasingly threatened by data poisoning attacks, where malicious clients compromise global models by contributing tampered updates. Existing defens…

cs.LG2025★ 2 cited

TrustChain: A Blockchain Framework for Auditing and Verifying Aggregators in Decentralized Federated Learning

Ehsan Hallaji, Roozbeh Razavi-Far, Mehrdad Saif

The server-less nature of Decentralized Federated Learning (DFL) requires allocating the aggregation role to specific participants in each federated round. Current DFL architecture…

cs.LG2025★ 31 cited

Federated Continual Learning: Concepts, Challenges, and Solutions

Parisa Hamedi, Roozbeh Razavi-Far, Ehsan Hallaji

Federated Continual Learning (FCL) has emerged as a robust solution for collaborative model training in dynamic environments, where data samples are continuously generated and dist…

cs.LG2023★ 3 cited

Learning From High-Dimensional Cyber-Physical Data Streams for Diagnosing Faults in Smart Grids

Hossein Hassani, Ehsan Hallaji, Roozbeh Razavi-Far +1

The performance of fault diagnosis systems is highly affected by data quality in cyber-physical power systems. These systems generate massive amounts of data that overburden the sy…

cs.LG2022★ 50 cited

A Stream Learning Approach for Real-Time Identification of False Data Injection Attacks in Cyber-Physical Power Systems

Ehsan Hallaji, Roozbeh Razavi-Far, Meng Wang +2

This paper presents a novel data-driven framework to aid in system state estimation when the power system is under unobservable false data injection attacks. The proposed framework…

cs.LG2022★ 20 cited

Federated and Transfer Learning: A Survey on Adversaries and Defense Mechanisms

Ehsan Hallaji, Roozbeh Razavi-Far, Mehrdad Saif

The advent of federated learning has facilitated large-scale data exchange amongst machine learning models while maintaining privacy. Despite its brief history, federated learning…