Philippe JEAN-PIERRE

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• Type de publi. : Rapport
• Date de publi. : 01/01/2009
• Auteurs : Carole Eyssautier-BavayStéphanie Jean-DaubiasJean-Philippe Pernin
• Organismes : Laboratoire d'InfoRmatique en Image et Systèmes d'information Université Claude Bernard Lyon 1 Laboratoire d'InfoRmatique en Image et Systèmes d'information Traces, Web, Education, Adaptation, Knowledge Université Claude Bernard Lyon 1 Laboratoire d'Informatique de Grenoble

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Résumé : This paper considers the issues raised by the reuse of existing learners profiles. Indeed, heterogeneity of learners profiles, both structure and content wise, makes difficult their reuse in a system which haven't created them. A profiles modeling language (PMDL) is proposed in the aim of sharing and reusing profiles. Throughout this paper, the example of an existing profile is used to illustrate our propositions. A deployment of this language within a computerized environment have been carried out, which permitted to assess these propositions. Finally, evaluations are presented: one focused on PMDL language expressive power and the other on its deployment.

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Fichiers liés : Liris-3960.pdf

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• Type de publi. : Article dans une revue
• Date de publi. : 01/01/2009
• Auteurs : Philippe Martin
• Organismes : Religions et croyances
• Publié dans Spee Jahrbuch le 27/01/2014

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• Type de publi. : Article dans une revue
• Date de publi. : 01/01/2009
• Auteurs : Sébastien ArgenceDominique LambertEvelyne RichardJean-Pierre ChaboureauJean-Philippe ArbogastKarine Maynard
• Organismes : Laboratoire d'aérologie Laboratoire d'aérologie Laboratoire d'aérologie Laboratoire d'aérologie Centre national de recherches météorologiques
• Publié dans Quarterly Journal of the Royal Meteorological Society le 27/10/2020

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Résumé : This study explores the benefit that can be drawn from incorporating local potential vorticity (PV) modifications into a numerical forecast. The case under study is the severe cyclogenesis that occurred in the Western Mediterranean from 9 to 12 November 2001. This case was shown to be extremely sensitive to the upper-level flow, which governed to a great extent the deepening of the depression and the location and intensity of its associated precipitation. Corrections of PV were guided by METEOSAT-7 water vapour observations and restricted to the upper troposphere, mainly altering the topography of the dynamical tropopause. Using both the French operational global model ARPEGE and the non-hydrostatic mesoscale model Meso-NH, it is shown that carefully designed PV corrections lead to a substantial improvement in the simulation of the storm, both in terms of surface pressure, cloud cover and precipitation forecasts. Furthermore, the impact of the modifications is shown to be a maximum when they are introduced at the time corresponding to the incipient stage of cyclogenesis.

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Fichiers liés : Argence2009.pdf

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• Type de publi. : Communication dans un congrès
• Date de publi. : 01/01/2009
• Auteurs : Philippe BourdeauJean CorneloupPascal Mao
• Organismes : Pacte, Laboratoire de sciences sociales Pacte, Laboratoire de sciences sociales Pacte, Laboratoire de sciences sociales

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• Type de publi. : Article dans une revue
• Date de publi. : 01/01/2009
• Auteurs : Herve PhilippeRomain DerelleP. LopezK. PickCarole BorchielliniNicole Boury-EsnaultJean VaceletE. RenardEvelyn R HoulistonÉric QuéinnecCorinne Da SilvaPatrick WinckerHervé Le GuyaderS. LeysD.J. JacksonF. SchreiberD. ErpenbeckB. MorgensternG. WörheideMichaël Manuel
• Organismes : Systématique, adaptation, évolution Systématique, adaptation, évolution Georg-August-University of Goettingen = Georg-August-Universität Göttingen Diversité, évolution et écologie fonctionnelle marine Diversité, évolution et écologie fonctionnelle marine Diversité, évolution et écologie fonctionnelle marine Diversité, évolution et écologie fonctionnelle marine Laboratoire de Biologie du Développement de Villefranche sur mer Systématique, adaptation, évolution Structure et évolution des génomes - UMR 8030 Structure et évolution des génomes - UMR 8030 Systématique, adaptation, évolution Institut fur Genetik und Mikrobiologie Ludwig Maximilian University [Munich] = Ludwig Maximilians Universität München Ludwig Maximilian University [Munich] = Ludwig Maximilians Universität München Systématique, adaptation, évolution
• Publié dans Current Biology le 31/10/2020

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Résumé : The origin of many of the defining features of animal body plans, such as symmetry, nervous system, and the mesoderm, remains shrouded in mystery because of major uncertainty regarding the emergence order of the early branching taxa: the sponge groups, ctenophores, placozoans, cnidarians, and bilaterians. The “phylogenomic” approach [1] has recently provided a robust picture for intrabilaterian relationships 2, 3 but not yet for more early branching metazoan clades. We have assembled a comprehensive 128 gene data set including newly generated sequence data from ctenophores, cnidarians, and all four main sponge groups. The resulting phylogeny yields two significant conclusions reviving old views that have been challenged in the molecular era: (1) that the sponges (Porifera) are monophyletic and not paraphyletic as repeatedly proposed 4, 5, 6, 7, 8, 9, thus undermining the idea that ancestral metazoans had a sponge-like body plan; (2) that the most likely position for the ctenophores is together with the cnidarians in a “coelenterate” clade. The Porifera and the Placozoa branch basally with respect to a moderately supported “eumetazoan” clade containing the three taxa with nervous system and muscle cells (Cnidaria, Ctenophora, and Bilateria). This new phylogeny provides a stimulating framework for exploring the important changes that shaped the body plans of the early diverging phyla.

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• Type de publi. : Article dans une revue
• Date de publi. : 01/01/2009
• Auteurs : Pierre AstorgSandrine BertraisJean Marc J. M. AlessandriPhilippe P. GuesnetEmmanuelle Kesse-GuyotAlain LinardMarie Sylvie LallemandPilar GalanSerge Hercberg
• Organismes : Laboratoire de nutrition et sécurité alimentaire Unité de Recherche en Epidémiologie Nutritionnelle Laboratoire de nutrition et sécurité alimentaire Laboratoire de nutrition et sécurité alimentaire Unité de Recherche en Epidémiologie Nutritionnelle Laboratoire de nutrition et sécurité alimentaire Laboratoire de nutrition et sécurité alimentaire Unité de Recherche en Epidémiologie Nutritionnelle Unité de Recherche en Epidémiologie Nutritionnelle
• Publié dans Prostaglandins, Leukotrienes and Essential Fatty Acids le 25/10/2020

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Résumé : The goal of this study was to seek the relations between baseline n-3 PUFA status and the later occurrence of depressive episodes in a French cohort of middle-aged men and women, the SU.VI.MAX study. A nested case-control study was designed within the cohort: cases with at least two depressive episodes during the 8-year follow-up were paired to non-depressed controls, antidepressant prescriptions being taken as markers of depressive episodes. The fatty acid profiles of baseline serum phospholipids have been determined. Results were analyzed using logistic regression and principal component analysis, taking into account depression history and demographic and lifestyle confounders. There was no consistent association of depression risk with any serum fatty acid, and in particular there was no association of depression risk with the long-chain n-3 PUFA eicosapentaenoic, docosapentaenoic and docosahexaenoic acids. This study does not support the hypothesis of a predictive value of n-3 PUFA status for depression in population settings.

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• Type de publi. : Rapport
• Date de publi. : 01/01/2009
• Auteurs : Philippe CharrierJean-Pierre Bonafé-Schmitt
• Organismes : Centre Max Weber Centre Max Weber

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• Type de publi. : Communication dans un congrès
• Date de publi. : 01/01/2009
• Auteurs : Philippe Chareyre
• Organismes : Identités, Territoires, Expressions, Mobilités

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• Type de publi. : Communication dans un congrès
• Date de publi. : 01/01/2009
• Auteurs : Philippe Martin
• Organismes : Religions et croyances

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• Type de publi. : Article dans une revue
• Date de publi. : 01/01/2009
• Auteurs : Mathieu KoehlLionel BombrunMichel GayEmmanuel TrouvéPhilippe BolonJean-Marie NicolasGabriel VasileIvan PétillotTania LandesP. Grussenmeyer
• Organismes : Modèles et simulation pour l'architecture, l'urbanisme et le paysage GIPSA - Signal Images Physique GIPSA-Services GIPSA - Signal Images Physique Laboratoire d'Informatique, Systèmes, Traitement de l'Information et de la Connaissance Laboratoire d'Informatique, Systèmes, Traitement de l'Information et de la Connaissance Laboratoire Traitement et Communication de l'Information GIPSA - Signal Images Physique Laboratoire d'Informatique, Systèmes, Traitement de l'Information et de la Connaissance Equipe Photogrammétrie et Géomatique Modèles et simulation pour l'architecture, l'urbanisme et le paysage
• Publié dans Traitement du Signal le 23/10/2020

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Résumé : Measurements of glacier surface velocity have been performed on the French Alps Argentière's glacier for more than ten years. Completed by precise other measurements done during the MEGATOR experimentations, the surface velocity could be calculated on one reference point located on the glacial accumulation area. The knowledge of this particular surface velocity allows solving the ambiguity of displacement fields derived from pairs of interferometric synthetic aperture radar (SAR) images acquired by ERS-1/2 satellites. These interferograms provide the surface velocity over large areas. The obtained values are then compared with in-situ precise geodetic measurements of local surface velocities. The similar obtained results permit to validate the described process.

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