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Showing papers from Ecole Polytechnique Show all papers

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Learning Spectral Compositional Koopman Operators for Global-to-Regional Weather Forecasting

khalid OUBLAL, Malo Guichard, François Bertholom, Simon Albergel and 4 more

Sydney Poster Session 4, Wed, Dec 9, 5:00 PM–8:00 PM, Hall 1-4 · Published 2026

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AI panel: 2 of 20 reviewers recommend it
lenient 2/5
medium 0/10
strict 0/5
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Principled Federated Random Forests for Heterogeneous Data

FedForest proposes a federated random forest using aggregated statistics to approximate centralized splits under heterogeneous data, enabling personalized client-indicator splits with near-centralized accuracy and low communication cost.

Rémi Khellaf, Erwan Scornet, Aurélien Bellet, Julie Josse

Paris Poster Session 5, Fri, Dec 11, 11:30 AM–1:30 PM, Paris Poster Hall · Published 2026

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12/20 AI panelreviewers recommend it

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AI panel: 12 of 20 reviewers recommend it
lenient 4/5
medium 7/10
strict 1/5