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Chuan Xu

4 accepted papers

2025

Attribute Inference Attacks for Federated Regression Tasks

AAAI 2025technical

Federated Learning (FL) enables multiple clients, such as mobile phones and IoT devices, to collaboratively train a global machine learning model while keeping their data localized. However, recent studies have revealed that the training phase of FL is vulnerable to reconstruction attacks, such as a…

2025

Cutting Through Privacy: A Hyperplane-Based Data Reconstruction Attack in Federated Learning

UAI 2025

Federated Learning (FL) enables collaborative training of machine learning models across distributed clients without sharing raw data, ostensibly preserving data privacy. Nevertheless, recent studies have revealed critical vulnerabilities in FL, showing that a malicious central server can manipulate

Cited by 0SourcePDFScholar
2020

Decentralized gradient methods: does topology matter?

AISTATS 2020poster

Consensus-based distributed optimization methods have recently been advocated as alternatives to parameter server and ring all-reduce paradigms for large scale training of machine learning models. In this case, each worker maintains a local estimate of the optimal parameter vector and iteratively up…

Cited by 62SourcePDFScholar
2020

Throughput-Optimal Topology Design for Cross-Silo Federated Learning

NeurIPS 2020poster

Federated learning usually employs a client-server architecture where an orchestrator iteratively aggregates model updates from remote clients and pushes them back a refined model. This approach may be inefficient in cross-silo settings, as close-by data silos with high-speed access links may exchan…