Search Results for author: Aleksandar Armacki

Found 5 papers, 0 papers with code

A Unified Framework for Gradient-based Clustering of Distributed Data

no code implementations2 Feb 2024 Aleksandar Armacki, Dragana Bajović, Dušan Jakovetić, Soummya Kar

The proposed family, termed Distributed Gradient Clustering (DGC-$\mathcal{F}_\rho$), is parametrized by $\rho \geq 1$, controling the proximity of users' center estimates, with $\mathcal{F}$ determining the clustering loss.

Clustering

A One-shot Framework for Distributed Clustered Learning in Heterogeneous Environments

no code implementations22 Sep 2022 Aleksandar Armacki, Dragana Bajovic, Dusan Jakovetic, Soummya Kar

In the proposed setup, the grouping of users (based on the data distributions they sample), as well as the underlying statistical properties of the distributions, are apriori unknown.

Clustering Federated Learning

Gradient Based Clustering

no code implementations1 Feb 2022 Aleksandar Armacki, Dragana Bajovic, Dusan Jakovetic, Soummya Kar

We propose a general approach for distance based clustering, using the gradient of the cost function that measures clustering quality with respect to cluster assignments and cluster center positions.

Clustering

Personalized Federated Learning via Convex Clustering

no code implementations1 Feb 2022 Aleksandar Armacki, Dragana Bajovic, Dusan Jakovetic, Soummya Kar

The proposed framework is based on a generalization of convex clustering in which the differences between different users' models are penalized via a sum-of-norms penalty, weighted by a penalty parameter $\lambda$.

Clustering Personalized Federated Learning

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