Clustered Federated Learning: Model-Agnostic Distributed Multi-Task Optimization under Privacy Constraints Simulate Federated Multi-Task Learning via the Clustered Federated Learning method as described in Sattler, Felix, Klaus-Robert Müller, and Wojciech Samek. "Clustered Federated Learning: Model-Agnostic Distributed Multi-Task Optimization under Privacy Constraints." arXiv preprint arXiv:1910.01991 (2019).