activity
20192024
most citedConnecting Low-Loss Subspace for Personalized Federated Learning

21 citations · 32 across the 5 of their papers we have counts for

collaborators

6 papers

stat.ML2024

Algorithms for Collaborative Machine Learning under Statistical Heterogeneity

Seok-Ju Hahn

Learning from distributed data without accessing them is undoubtedly a challenging and non-trivial task. Nevertheless, the necessity for distributed training of a statistical model…

cs.LG2024★ 3 cited

CAFO: Feature-Centric Explanation on Time Series Classification

Jaeho Kim, Seok-Ju Hahn, Yoontae Hwang +2

In multivariate time series (MTS) classification, finding the important features (e.g., sensors) for model performance is crucial yet challenging due to the complex, high-dimension…

cs.LG2024

Pursuing Overall Welfare in Federated Learning through Sequential Decision Making

Seok-Ju Hahn, Gi-Soo Kim, Junghye Lee

In traditional federated learning, a single global model cannot perform equally well for all clients. Therefore, the need to achieve the client-level fairness in federated system h…

cs.LG2021★ 21 cited

Connecting Low-Loss Subspace for Personalized Federated Learning

Seok-Ju Hahn, Minwoo Jeong, Junghye Lee

Due to the curse of statistical heterogeneity across clients, adopting a personalized federated learning method has become an essential choice for the successful deployment of fede…

cs.LG2020★ 1 cited

GRAFFL: Gradient-free Federated Learning of a Bayesian Generative Model

Seok-Ju Hahn, Junghye Lee

Federated learning platforms are gaining popularity. One of the major benefits is to mitigate the privacy risks as the learning of algorithms can be achieved without collecting or…

cs.LG2019★ 7 cited

Privacy-preserving Federated Bayesian Learning of a Generative Model for Imbalanced Classification of Clinical Data

Seok-Ju Hahn, Junghye Lee

In clinical research, the lack of events of interest often necessitates imbalanced learning. One approach to resolve this obstacle is data integration or sharing, but due to privac…