Littérature scientifique sur le sujet « Génération de triplets négatifs »
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Articles de revues sur le sujet "Génération de triplets négatifs"
Gaudart, Corinne, Antoine Laville, Anne-Françoise Molinié et Serge Volkoff. « Âge des opérateurs et travail répétitif : une approche démographique et ergonomique ». Articles 50, no 4 (12 avril 2005) : 826–51. http://dx.doi.org/10.7202/051056ar.
Texte intégralGravier, F., et B. Boulanger. « TiO2 – rutile : un cristal prometteur pour la génération de triplets de photons ». Journal de Physique IV (Proceedings) 135, no 1 (octobre 2006) : 173–74. http://dx.doi.org/10.1051/jp4:2006135045.
Texte intégralSardon, Jean-Paul. « Le remplacement des générations en Europe depuis le début du siècle ». Population Vol. 45, no 6 (1 juin 1990) : 947–67. http://dx.doi.org/10.3917/popu.p1990.45n6.0967.
Texte intégralCaselli, Graziella, Jacques Vallin et John Wilmoth. « Quand certaines générations ont une mortalité différente de celle que l'on pourrait attendre ». Population Vol. 44, no 2 (1 février 1989) : 335–76. http://dx.doi.org/10.3917/popu.p1989.44n2.0376.
Texte intégralMbah, David A., Chi Lawrence Tawah et Magellan Guewo-Fokeng. « Genetic Modification of Animals : Potential benefits and concerns ». Journal of the Cameroon Academy of Sciences 15, no 3 (4 août 2020) : 163–74. http://dx.doi.org/10.4314/jcas.v15i3.2.
Texte intégralSamalin, L. « Ralentissement psychomoteur et schizophrénie ». European Psychiatry 29, S3 (novembre 2014) : 579. http://dx.doi.org/10.1016/j.eurpsy.2014.09.279.
Texte intégralBerant, Ety. « Transgenerational Transmission of Trauma in Children of Holocaust Survivors ». Rorschachiana 25, no 1 (janvier 2002) : 28–57. http://dx.doi.org/10.1027/1192-5604.25.1.28.
Texte intégralObaro, H. K., B. Abdulkadir et S. Abdullahi. « In vitro antibiotic susceptibility of bacterial pathogens and risk factors associated with culture positive neonatal sepsis in two hospitals, Katsina metropolis, Nigeria ». African Journal of Clinical and Experimental Microbiology 23, no 4 (24 octobre 2022) : 378–88. http://dx.doi.org/10.4314/ajcem.v23i4.6.
Texte intégralHuber, Claire, Fengshan Li, Xijun Lai, Sadri Haouet, Arnaud Durand, Suzanne Butler, James Burnham et al. « Using Pléiades HR data to understand and monitor a dynamic socio-ecological system : China's Poyang lake ». Revue Française de Photogrammétrie et de Télédétection, no 209 (29 janvier 2015) : 125–31. http://dx.doi.org/10.52638/rfpt.2015.206.
Texte intégralThèses sur le sujet "Génération de triplets négatifs"
Islam, Md Kamrul. « Explainable link prediction in large complex graphs - application to drug repurposing ». Electronic Thesis or Diss., Université de Lorraine, 2022. http://www.theses.fr/2022LORR0203.
Texte intégralMany real-world complex systems can be well-represented with graphs, where nodes represent objects or entities and links/relations represent interactions between pairs of nodes. Link prediction (LP) is one of the most interesting and long-standing problems in the field of graph mining; it predicts the probability of a link between two unconnected nodes based on available information in the current graph. This thesis studies the LP problem in graphs. It consists of two parts: LP in simple graphs and LP knowledge graphs (KGs). In the first part, the LP problem is defined as predicting the probability of a link between a pair of nodes in a simple graph. In the first study, a few similarity-based and embedding-based LP approaches are evaluated and compared on simple graphs from various domains. he study also criticizes the traditional way of computing the precision metric of similarity-based approaches as the computation faces the difficulty of tuning the threshold for deciding the link existence based on the similarity score. We proposed a new way of computing the precision metric. The results showed the expected superiority of embedding-based approaches. Still, each of the similarity-based approaches is competitive on graphs with specific properties. We could check experimentally that similarity-based approaches are fully explainable but lack generalization due to their heuristic nature, whereas embedding-based approaches are general but not explainable. The second study tries to alleviate the unexplainability limitation of embedding-based approaches by uncovering interesting connections between them and similarity-based approaches to get an idea of what is learned in embedding-based approaches. The third study demonstrates how the similarity-based approaches can be ensembled to design an explainable supervised LP approach. Interestingly, the study shows high LP performance for the supervised approach across various graphs, which is competitive with embedding-based approaches.The second part of the thesis focuses on LP in KGs. A KG is represented as a collection of RDF triples, (head,relation,tail) where the head and the tail are two entities which are connected by a specific relation. The LP problem in a KG is formulated as predicting missing head or tail entities in a triple. LP approaches based on the embeddings of entities and relations of a KG have become very popular in recent years, and generating negative triples is an important task in KG embedding methods. The first study in this part discusses a new method called SNS to generate high-quality negative triples during the training of embedding methods for learning embeddings of KGs. The results we produced show better LP performance when SNS is injected into an embedding approach than when injecting state-of-the-art negative triple sampling methods. The second study in the second part discusses a new neuro-symbolic method of mining rules and an abduction strategy to explain LP by an embedding-based approach utilizing the learned rules. The third study applies the explainable LP to a COVID-19 KG to develop a new drug repurposing approach for COVID-19. The approach learns ”ensemble embeddings” of entities and relations in a COVID-19 centric KG, in order to get a better latent representation of the graph elements. For the first time to our knowledge, molecular docking is then used to evaluate the predictions obtained from drug repurposing using KG embedding. Molecular evaluation and explanatory paths bring reliability to prediction results and constitute new complementary and reusable methods for assessing KG-based drug repurposing. The last study proposes a distributed architecture for learning KG embeddings in distributed and parallel settings. The results of the study that the computational time of embedding methods improves remarkably without affecting LP performance when they are trained in the proposed distributed settings than the traditional centralized settings
Douady, Julien. « Génération de tierce harmonique et production de triplets de photons pour l'optique quantique ». Université Joseph Fourier (Grenoble), 2004. http://www.theses.fr/2004GRE10077.
Texte intégralThis work deals with third-order nonlinear frequency conversion interactions generating or consuming three-photon groups. The motications are theoretical but also practical, with some apllications concerning quantum communication : squeezed states leads to quantul noise reduction, and photon triples generation could be used in quantul cryptography protocols. Nevertheless, no experimental realization have been achieved up to now, and such situations have never been observed. This thesis proposes a complete modelisation of concerned interactions, in the classical theory. Some experimental startegis are then defined and realized. This first genration of photon triples is observed, opening the door to the future quantum optical studies
Schiesko, Loïc. « Etude expérimentale et modélisation de l'interaction plasma-surface : gaines anodiques, cathodiques et application à la génération d'ions négatifs ». Aix-Marseille 1, 2008. http://www.theses.fr/2008AIX11070.
Texte intégralDot, Audrey. « Etude théorique et expérimentale de la génération et des corrélations quantiques de photons triplets générés par interaction non linéaire d'ordre trois ». Phd thesis, Université de Grenoble, 2011. http://tel.archives-ouvertes.fr/tel-00682019.
Texte intégralGravier, Fabien. « Conception et étude d'un générateur et d'un corrélateur de triplets de photons basés sur TiO2 et KTiOPO4 ». Phd thesis, Grenoble 1, 2007. http://www.theses.fr/2007GRE10093.
Texte intégralThis work deals witb tbird-order nonlinear frequency conversion interactions. These processes involve four photons, which can be generated or consumed in tbe nonlinear media. The production of photon triples by tbe splitting of a photon of bigger energy is the most interesting process, because of tbe specific quantum properties of tbe three generated photons. They are in a new state of light which has not be observed yet. The motivations are theoretical but also pratical, witb sorne applications in quantum cryptography. This work proposes the achievement of a performant photon triples generator, which has led to the first experimental validation of our model describing tbird-order nonlinear interactions. This generator has opened the door to the design of a correlator to study the specific quantum properties of photon triples. Finally, the titanium dioxyde has shown good properties to realize efficient third-order nonlinear interactions
Dupuy, Aurélien. « Génération de nouveaux mutants dominants négatifs de la GTPases Rap1 application à la mise en évidence du rôle de Rap1 dans la dynamique cellulaire ». Paris 7, 2006. http://www.theses.fr/2006PA077095.
Texte intégralTo decipher the biological fonctions of the Rapl GTPase, we developed an original method to generale novel dominant negative mutants of Rap1. Our results suggest that some of those mutants could be selective for activation pathways. For instance, Rap1[G15D] inhibits the activation of Rap1 induced by physiological stimulation of the Rap1 activator CSG but not Epac, whereas Rap1[S17A] inhibits the activation of Rap1 via both pathways. Moreover, Rap1[S17A] is a powerfull dominant negative mutant since its expression was sufficient to reproduce in Drosophila the pupal death observed in Rapl null mutants. In the second part of this work, we investigated the function of Rap1 in the cellular dynamics that occurs during mitosis. Indeed, the expression of dominant negative mutant Rap1[S17A] inhibits post-mitotic cell spreading, and conversely, the constitutively active Rap1[Q63E] mutant inhibits the cell retraction that occurs at the beginning of mitosis. In depth characterisation of the associated phenotypes indicates that Rapl modulates the dynamics of adhesion complexes during mitosis
Gravier, Fabien. « Conception et étude d'un générateur et d'un corrélateur de triplets de photons basés sur KTiOPO4 et TiO2 ». Phd thesis, Université Joseph Fourier (Grenoble), 2007. http://tel.archives-ouvertes.fr/tel-00285333.
Texte intégralDOUADY, Julien. « Génération de tierce harmonique et production de triplets de photons pour l'optique quantique ». Phd thesis, 2004. http://tel.archives-ouvertes.fr/tel-00006916.
Texte intégralLivres sur le sujet "Génération de triplets négatifs"
Parent, Guy. Les triplets de Beauport : La deuxième génération de Parent. [Québec, Québec] : G. Parent, 2009.
Trouver le texte intégralParent, Guy. Les triplets de Beauport : La deuxième génération de Parent. [Québec, Québec] : G. Parent, 2009.
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