Federated Variational Inference for Bayesian Mixture Models
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arXiv
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| Autori principali: | , , , , |
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| Natura: | Preprint |
| Pubblicazione: |
2025
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| _version_ | 1866911260071690240 |
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| author | Rao, Jackie Crowe, Francesca L. Marshall, Tom Richardson, Sylvia Kirk, Paul D. W. |
| author_facet | Rao, Jackie Crowe, Francesca L. Marshall, Tom Richardson, Sylvia Kirk, Paul D. W. |
| contents | We present a federated learning approach for Bayesian model-based clustering of large-scale binary and categorical datasets. We introduce a principled 'divide and conquer' inference procedure using variational inference with local merge and delete moves within batches of the data in parallel, followed by 'global' merge moves across batches to find global clustering structures. We show that these merge moves require only summaries of the data in each batch, enabling federated learning across local nodes without requiring the full dataset to be shared. Empirical results on simulated and benchmark datasets demonstrate that our method performs well in comparison to existing clustering algorithms. We validate the practical utility of the method by applying it to large scale electronic health record (EHR) data. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2502_12684 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Federated Variational Inference for Bayesian Mixture Models Rao, Jackie Crowe, Francesca L. Marshall, Tom Richardson, Sylvia Kirk, Paul D. W. Machine Learning Methodology We present a federated learning approach for Bayesian model-based clustering of large-scale binary and categorical datasets. We introduce a principled 'divide and conquer' inference procedure using variational inference with local merge and delete moves within batches of the data in parallel, followed by 'global' merge moves across batches to find global clustering structures. We show that these merge moves require only summaries of the data in each batch, enabling federated learning across local nodes without requiring the full dataset to be shared. Empirical results on simulated and benchmark datasets demonstrate that our method performs well in comparison to existing clustering algorithms. We validate the practical utility of the method by applying it to large scale electronic health record (EHR) data. |
| title | Federated Variational Inference for Bayesian Mixture Models |
| topic | Machine Learning Methodology |
| url | https://arxiv.org/abs/2502.12684 |