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246945 ressources correspondant à votre recherche (Fil RSS)
Auteur: Brault, Romain, d'Alché-Buc, Florence
Résumé: Many problems in Machine Learning can be cast into vector-valued functions approximation. Operator-Valued Kernels Operator-Valued Kernels and vector-valued Reproducing Kernel Hilbert Spaces provide a theoretical and versatile framework to address that issue, extending nicely the well-known setting of scalar-valued kernels. However large scale applications are usually not affordable with these ...
Auteur: Fraix-Burnet, Didier
Résumé: The introduction of phylogenetic tools in astrophysics started in 2001 and was presented in 2008 at the 12th Evolutionary BiologyMeeting at Marseilles. Many results have been obtained, essentially using Maximum Parsimony (cladistics), covering very diverse kindsof objects of the Universe : galaxies, dwarfs galaxies, gamma ray bursts, globular clusters, stellar ...
Auteur: Pierre, Silvere, Gatuingt, Fabrice
Résumé: The strength variability of the concrete-like materials is usually represented, in pheno-menological macroscopic models, using stochastic tools that need to be identified with a large number of experimental tests. The variability phenomenon is then usually linked to the non-uniform characteristics of the material at the mesoscopic scale, due to the ...
Auteur: Picchini, Umberto, Samson, Adeline
Résumé: We study the class of state-space models (or hidden Markov models) and perform maximum likelihood inference on the model parameters. We consider a stochastic approximation expectation-maximization (SAEM) algorithm to maximize the likelihood function with the novelty of using approximate Bayesian computation (ABC) within SAEM. The task is to provide each ...
Auteur: Gilles, Antonin, Gioia, Patrick, Cozot, Rémi, Morin, Luce
Résumé: A hybrid approach for fast occlusion processing in computer generated hologram calculation is studied in this paper. The proposed method is based on the combination of two commonly used approaches, which complement one another: the point-source and wave-field approaches. By using these two approaches together, the proposed method thus takes ...
Auteur: Rodríguez Vázquez, Rita
Résumé: We present several results on the compactness of the space of morphisms between analytic spaces in the sense of Berkovich. We show that under certain conditions on the source, every sequence of analytic maps having an affinoid target has a subsequence that converges pointwise to a continuous map. We also ...
Auteur: Cova, Veronique, Kreziak, Dominique
Résumé: in Economie Circulaire et Territoires, sous la direction de Yvette Lazzeri, Dominique Bonnet Fernandez & Mariane DomeizelPresses Universitaires d'Aix-Marseille
Auteur: Michel, Franck, Djimenou, Loïc, Faron-Zucker, Catherine, Montagnat, Johan
Résumé: This document describes xR2RML, a language for expressing customized mappings from various types of databases (XML, object-oriented, NoSQL) to RDF datasets. xR2RML flexibly adapts to heterogeneous query languages and data models while remaining free from any specific language or syntax. It extends R2RML, the W3C recommendation for the mapping of ...
Auteur: Silly, Mathieu,, Ferté, Tom, Tordeux, Marie Agnès, Pierucci, Debora, Beaulieu, Nathan, Chauvet, Christian, Pressacco, Federico, Sirotti, Fausto, Popescu, Horia, Lopez-Flores, Victor, Tortarolo, Marina, Sacchi, Maurizio, Jaouen, Nicolas, Hollander, Philippe, Ricaud, Jean Paul, Bergeard, Nicolas, Boeglin, Christine, Tudu, Bharati, Delaunay, Renaud, Lüning, Jan, Malinowski, Grégory, HEHN, Michel, Baumier, Cédric, Fortuna, Franck, ...
Résumé: The SOLEIL synchrotron radiation source is regularly operated in special filling modes dedicated to pump–probe experiments. Among others, the low-mode operation is characterized by shorter pulse duration and represents the natural bridge between 50 ps synchrotron pulses and femtosecond experiments. Here, the capabilities in low-mode of the experimental setups developed ...
Auteur: Pillet, Maurice, Louvet, François, Pillet, Davy
Résumé: — Definitive screening designs were proposed in 2011 by Jones and Nachtsheim [1]. It offers an attractive alternative to existing Design of Experiments. The objective of this paper is to show advantages and limits of this new type of Design of Experiments from a comparison between different strategies. It also ...
Auteur: Giganti, Francesco, Moore, Caroline M., Robertson, Nicola L., McCartan, Neil, Jameson, Charles, Bott, Simon R. J., Winkler, Mathias, Gambarota, Giulio, Whitcher, Brandon, Castro, Ramiro, Emberton, Mark, Allen, Clare, Kirkham, Alex
Résumé: International audience
Auteur: Villaret, Flore, Hary, Benjamin, De Carlan, Yann, Logé, Roland E., Baudin, Thierry, Bozzolo, Nathalie, Bernacki, Marc
Résumé: La croissance de grains dans un acier ODS au cours d'un traitement thermique a été modélisée en 2D par la méthode level-set (logiciel DIGIMU). Diverses tailles et fractions surfaciques de populations d'oxydes ont été considérées afin de comparer les résultats obtenus aux résultats expérimentaux. Une comparaison des résultats avec ceux ...
Auteur: Rigal, Emmanuel, Bernacki, Marc, Bouquet, Nicolas, Tresallet, Damien
Résumé: Le soudage diffusion permet la fabrication d’échangeurs de chaleur compacts dans lesquels les circuits de fluide sont séparés par des parois fines. On présente et on illustre ici l’intérêt de la simulation du grossissement de grain lors du soudage diffusion en tant qu’outil permettant la maîtrise de la microstructure.
Auteur: Geller, Benoit
Résumé: In this paper, we review advanced synchronization techniques for the internet of things. Our study can be directly applied to the single-carrier IEEE 802.15.4 and IEEE 802.15.6 standards. In particular we display the advantages of using a Code-Aided approach and a Bayesian packet-oriented approach. The performances of several phase-locked loop ...