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- Université Paris Dauphine-PSLFR231 papers
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70 papers · 1 filter
Mixture of von Mises-Fisher distribution with sparse prototypes
Fabrice Rossi, Florian Barbaro
Mixtures of von Mises-Fisher distributions can be used to cluster data on the unit hypersphere. This is particularly adapted for high-dimensional directional data such as texts. We…
Fast and fully-automated histograms for large-scale data sets
Valentina Zelaya Mendizábal, Marc Boullé, Fabrice Rossi
G-Enum histograms are a new fast and fully automated method for irregular histogram construction. By framing histogram construction as a density estimation problem and its automati…
Federated Learning -- Methods, Applications and beyond
Moritz Heusinger, Christoph Raab, Fabrice Rossi +1
In recent years the applications of machine learning models have increased rapidly, due to the large amount of available data and technological progress.While some domains like web…
Pesticide concentration monitoring: investigating spatio-temporal patterns in left censored data
Clément Laroche, Madalina Olteanu, Fabrice Rossi
Monitoring pesticide concentration is very important for public authorities given the major concerns for environmental safety and the likelihood for increased public health risks.…
A geometric Laplace method
Flavien Léger, François-Xavier Vialard
A classical tool for approximating integrals is the Laplace method. The first-order, as well as the higher-order Laplace formula is most often written in coordinates without any ge…
Transonic limit of traveling waves of the Euler-Korteweg system
Marc-Antoine Vassenet
We prove the convergence in the transonic limit of two-dimensional traveling waves of the E-K system, up to rescaling, toward a ground state of the Kadomtsev-Petviashvili Equation.…