Literatura científica selecionada sobre o tema "Stockage de données dans l’ADN"
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Artigos de revistas sobre o assunto "Stockage de données dans l’ADN"
Képès, François. "Archiver les mégadonnées numériques à l’échelle moléculaire". Reflets de la physique, n.º 70 (outubro de 2021): 32–37. http://dx.doi.org/10.1051/refdp/202170032.
Texto completo da fonteHehn, Michel, Gregory Malinowski e Stéphane Mangin. "Retournement d’aimantation dans un dispositif « Spintronique » par impulsion d’électrons unique ultra-courte". Photoniques, n.º 108 (maio de 2021): 36–39. http://dx.doi.org/10.1051/photon/202110836.
Texto completo da fonteMetay, A., B. Mary, D. Arrouays, J. Labreuche, M. Martin, B. Nicolardot e J. C. Germon. "Effets des techniques culturales sans labour sur le stockage de carbone dans le sol en contexte climatique tempéré". Canadian Journal of Soil Science 89, n.º 5 (1 de novembro de 2009): 623–34. http://dx.doi.org/10.4141/cjss07108.
Texto completo da fonteHuneman, Philippe. "Que font les humanités numériques aux sciences dites humaines ?" Recherches de Science Religieuse Tome 112, n.º 2 (25 de março de 2024): 201–29. http://dx.doi.org/10.3917/rsr.242.0201.
Texto completo da fonteBrun-Trigaud, Guylaine, Clément Chagnaud, Maeva Seffar e Jordan Drapeau. "Présentation du projet ANR ECLATS". Les atlas linguistiques galloromans à l'heure numérique : projets et enjeux, n.º 35 (1 de outubro de 2020): 71–84. http://dx.doi.org/10.54563/bdba.441.
Texto completo da fonteMbaye, Moussa, Elhadji Faye, Mamoudou Abdoul Toure e Awa Ba. "Identification des caractéristiques techniques des systèmes de culture et de stockage d’oignon (<i>Allium cepa</i> L.) de la vallée du fleuve Sénégal". International Journal of Biological and Chemical Sciences 17, n.º 5 (29 de outubro de 2023): 1832–48. http://dx.doi.org/10.4314/ijbcs.v17i5.5.
Texto completo da fonteGambette, Philippe, e Nadège Lechevrel. "Une approche textométrique pour étudier la transmission des savoirs biologiques au XIXe siècle". Articles hors thème 12, n.º 1 (15 de dezembro de 2016): 221–53. http://dx.doi.org/10.7202/1038375ar.
Texto completo da fonteRicard, Anne. "Les marqueurs génétiques pour les aptitudes". Le Nouveau Praticien Vétérinaire équine 17, n.º 59 (2023): 20–25. http://dx.doi.org/10.1051/npvequi/2024010.
Texto completo da fonteIRENGE MUFUNGIZI, Augustin, e Marcolline MBOLIBILANI ANIHILI. "Développement d’un site web d’archivage numérique des travaux de recherche dans les institutions d’enseignement supérieur et universitaire de la ville d’Isiro". Revue du Centre de Recherche Interdisciplinaire de l'Université Pédagogique Nationale 96, n.º 4 (1 de maio de 2021): 37–50. http://dx.doi.org/10.62362/omsz2018.
Texto completo da fonteDerai, Sid Ali, e Abdelhamid Kaabeche. "Modélisation et dimensionnement d’un système hybride Eolien/ Photovoltaïque autonome". Journal of Renewable Energies 19, n.º 2 (9 de janeiro de 2024): 265–76. http://dx.doi.org/10.54966/jreen.v19i2.566.
Texto completo da fonteTeses / dissertações sobre o assunto "Stockage de données dans l’ADN"
Dimopoulou, Melpomeni. "Techniques de codage pour le stockage à long terme d’images numériques dans l’ADN synthétique". Thesis, Université Côte d'Azur, 2020. http://www.theses.fr/2020COAZ4073.
Texto completo da fonteData explosion is one of the greatest challenges of digital evolution, causing the storage demand to grow at such a rate that it cannot compete with the actual capabilities of devices. The digital universe is forecast to grow to over 175 zettabytes by 2025 while 80% is infrequently accessed (“cold” data), yet safely archived in off-line tape drives due to security and regulatory compliance reasons. At the same time, conventional storage devices have a limited lifespan of 10 to 20 years and therefore should be frequently replaced to ensure data reliability, a process which is expensive both in terms of money and energy. Recent studies have shown that due to its biological properties, DNA is a very promising candidate for the long-term archiving of “cold” digital data for centuries or even longer under the condition that the information is encoded in a quaternary stream made up of the symbols A, T, C and G, to represent the 4 components of the DNA molecule, while also respecting some important encoding constraints. Pioneering works have proposed different algorithms for DNA coding leaving room for further improvement. In this thesis we present some novel image coding techniques for the efficient storage of digital images into DNA. We implemented a novel fixed length algorithm for the construction of a robust quaternary code that respects the biological constraints and proposed two different mapping functions to allow flexibility according to the encoding needs. Furthermore, one of the main challenges of DNA data storage being the expensive cost of DNA synthesis, we make a very first attempt to introduce controlled compression in the proposed encoding workflow. The, proposed codec is competitive compared to the state of the art. Furthermore, our end-to-end coding/decoding solution has been experimented in a wet lab experiment to prove feasibility of the theoretical study in practice
Berton, Chloé. "Sécurité des données stockées sur molécules d’ADN". Electronic Thesis or Diss., Ecole nationale supérieure Mines-Télécom Atlantique Bretagne Pays de la Loire, 2024. http://www.theses.fr/2024IMTA0431.
Texto completo da fonteThe volume of digital data produced worldwide every year is increasing exponentially, and current storage solutions are reaching their limits. In this context, data storage on DNA molecules holds great promise. Storing up to 10¹⁸ bytes per gram of DNA for almost no energy consumption, it has a lifespan 100 times longer than hard disks. As this storage technology is still under development, the opportunity presents itself to natively integrate data security mechanisms. This is the aim of this thesis. Our first contribution is a risk analysis of the entire storage chain, which has enabled us to identify vulnerabilities in digital and biological processes, particularly in terms of confidentiality, integrity, availability and traceability. A second contribution is the identification of elementary biological operators for simple manipulations of DNA. Using these operators, we have developed a DNACipher encryption solution that requires biomolecular decryption (DNADecipher) of the molecules before the data can be read correctly. This third contribution, based on enzymes, required the development of a coding algorithm for digital data into DNA sequences, a contribution called DSWE. This algorithm respects the constraints of biological processes (e.g. homopolymers) and our encryption solution. Our final contribution is an experimental validation of our secure storage chain. This is the first proof of concept showing that it is possible to secure this new storage medium using biomolecular manipulations
Bouabache, Fatiha. "Stockage fiable des données dans les grilles, application au stockage des images de checkpoint". Paris 11, 2010. http://www.theses.fr/2010PA112329.
Texto completo da fonteRollback/recovery solutions rely on checkpoint storage reliability (after a failure, if the checkpoint images are not available, the rollback operation fails). The goal of this thesis is to propose a reliable and an efficient checkpoint storage service. By reliable, we mean that whatever the scenario of failures is, as long as it respects the assumptions made by the algorithms, the checkpoint images are still available. And we mean by efficient, minimizing the time required to transfer and to store the checkpoint images. This will minimize the global execution time of the checkpoint waves. To ensure those two points (reliability and efficiency), we propose: 1. A new coordinated checkpoint protocol which tolerates checkpoint server failures and clusters failures, and ensures a checkpoint storage reliability in a grid environment; 2. A distributed storage service structured on three layers architecture: a) The replication layer: to ensure the checkpoint storage reliability, we propose to replicate the images over the network. Ln this direction, we propose two hierarchical replication strategies adapted to the considered architecture and that exploit the locality of checkpoint images in order to minimize inter-cluster communication. B) The scheduling layer: at this level we work on the storage efficiency by reducing the data transfer time. We propose an algorithm based on the uniform random sampling of possible schedules. C) The scheduling engine: at this layer, we develop a tool that implements the scheduling plan calculated in the scheduling layer
Obame, Meye Pierre. "Sûreté de fonctionnement dans le nuage de stockage". Thesis, Rennes 1, 2016. http://www.theses.fr/2016REN1S091/document.
Texto completo da fonteThe quantity of data in the world is steadily increasing bringing challenges to storage system providers to find ways to handle data efficiently in term of dependability and in a cost-effectively manner. We have been interested in cloud storage which is a growing trend in data storage solution. For instance, the International Data Corporation (IDC) predicts that by 2020, nearly 40% of the data in the world will be stored or processed in a cloud. This thesis addressed challenges around data access latency and dependability in cloud storage. We proposed Mistore, a distributed storage system that we designed to ensure data availability, durability, low access latency by leveraging the Digital Subscriber Line (xDSL) infrastructure of an Internet Service Provider (ISP). Mistore uses the available storage resources of a large number of home gateways and Points of Presence for content storage and caching facilities. Mistore also targets data consistency by providing multiple types of consistency criteria on content and a versioning system. We also considered the data security and confidentiality in the context of storage systems applying data deduplication which is becoming one of the most popular data technologies to reduce the storage cost and we design a two-phase data deduplication that is secure against malicious clients while remaining efficient in terms of network bandwidth and storage space savings
Secret, Ghislain. "La maintenance des données dans les systèmes de stockage pair à pair". Amiens, 2009. http://www.theses.fr/2009AMIE0111.
Texto completo da fontePeer to peer systems are designed to share resources on the Internet. The independence of the architecture from a centralized server provides the peer-to-peer networks a very high fault tolerance (no peer is essential to the functioning of the network). This property makes the use of this architecture very suitable for permanent storage of data on a large scale. However, peer to peer systems are characterised by peer’s volatility. Peers connect and disconnect randomly. The challenge is to ensure the continuity of data in a storage media constantly changing. For this, to cope with peer’s volatility, data redundancy schemes coupled with reconstruction mechanism of lost data are introduced. But the reconstructions needed to maintain the continuity of data are not neutral in terms of burden on the system. To investigate factors that impact the higher the data maintenance cost, a model of peer to peer storage system was designed. This model is based on an IDA (Information Dispersal Algorithm) redundancy scheme. Built on this model, a simulator was developed and the system behaviour for the cost of regeneration of the data was analyzed. Two reconstruction strategies are observed. The first mechanism is based on a threshold from the level of data redundancy. It requires constant monitoring of the state data. The second strategy involves a number of reconstructions by a system of quota allocation for a defined period of time. It is less comfortable psychologically because it significantly reduces the control of the data state by abstracting the threshold mechanism. Based on a stochastic analysis of the strategies, keys are provided to define the parameters of the system according to the target level of durability desired
Soyez, Olivier. "Stockage dans les systèmes pair à pair". Phd thesis, Université de Picardie Jules Verne, 2005. http://tel.archives-ouvertes.fr/tel-00011443.
Texto completo da fonteDans un premier temps, nous avons créé un prototype Us et conçu une interface utilisateur, nommée UsFS, de type système de fichiers. Un procédé de journalisation des données est inclus dans UsFS.
Ensuite, nous nous sommes intéressés aux distributions de données au sein du réseau Us. Le but de ces distributions est de minimiser le dérangement occasionné par le processus de reconstruction pour chaque pair. Enfin, nous avons étendu notre schéma de distribution pour gérer le comportement dynamique des pairs et prendre en compte les corrélations de panne.
Fournié, Laurent Henri. "Stockage et manipulation transactionnels dans une base de données déductives à objets : techniques et performances". Versailles-St Quentin en Yvelines, 1998. http://www.theses.fr/1998VERS0017.
Texto completo da fonteRomito, Benoit. "Stockage décentralisé adaptatif : autonomie et mobilité des données dans les réseaux pair-à-pair". Caen, 2012. http://www.theses.fr/2012CAEN2072.
Texto completo da fonteLe, Hung-Cuong. "Optimisation d'accès au médium et stockage de données distribuées dans les réseaux de capteurs". Besançon, 2008. http://www.theses.fr/2008BESA2052.
Texto completo da fonteWireless sensor network is a very hot research topic tendency for the last few years. This technology can be applied into different domains as environment, industry, commerce, medicine, military etc. Depending on the application type, the problems and requirements might be different. In this thesis, we are interested in two major problems: the medium access control and the distributed data storage. The document is divided to two parts where the first part is a state of the art of different existing works and the second part describes our contribution. In the first contribution, we have proposed two MAC protocols. The first one optimizes the wireless sensor networks lifetime for surveillance applications and the second one reduces the transmission latency in event-driven wireless sensor networks for critical applications. In the second contribution, we have worked with several data storage models in wireless sensor network and we focus on the data-centric storage model. We have proposed a clustering structure for sensors to improve the routing and reduce the number of transmissions in order to prolong the network lifetime
Borba, Ribeiro Heverson. "L'Exploitation de Codes Fontaines pour un Stockage Persistant des Données dans les Réseaux d'Overlay Structurés". Phd thesis, Université Rennes 1, 2012. http://tel.archives-ouvertes.fr/tel-00763284.
Texto completo da fonteLivros sobre o assunto "Stockage de données dans l’ADN"
Pauchard, Nicolas. Gouverner les ressources génétiques. Les stratégies des acteurs face aux droits de propriété et aux règles sur l’accès et le partage des avantages. Éditions Alphil-Presses universitaires suisses, 2020. http://dx.doi.org/10.33055/alphil.03157.
Texto completo da fonteCapítulos de livros sobre o assunto "Stockage de données dans l’ADN"
PUTEAUX, Pauline, e William PUECH. "Insertion de données cachées dans le domaine chiffré". In Sécurité multimédia 2, 233–77. ISTE Group, 2021. http://dx.doi.org/10.51926/iste.9027.ch7.
Texto completo da fonteAYMEN CHALOUF, Mohamed, Hana MEJRI e Omessaad HAMDI. "Intelligence artificielle pour la sécurité en e-santé". In Gestion de la sécurité en e-santé, 213–35. ISTE Group, 2024. http://dx.doi.org/10.51926/iste.9179.ch9.
Texto completo da fonteNEYEZHMAKOV, Pavlo, Stanislav ZUB, Sergiy LYASHKO, Irina YALOVEGA e Nataliia LYASHKO. "Élément d’instrumentation et intergiciel de grille dans les problèmes de métrologie". In Méthodes de calcul et modélisation mathématique en cyberphysique et applications techniques 1, 351–60. ISTE Group, 2024. https://doi.org/10.51926/iste.9164.ch13.
Texto completo da fontePélissier, Chrysta. "Éthique, numérique et idéologies". In Éthique, numérique et idéologies, 113–26. Les Presses des Mines, 2023. http://dx.doi.org/10.3917/mines.roele.2023.01.0113.
Texto completo da fonteRelatórios de organizações sobre o assunto "Stockage de données dans l’ADN"
Les forêts françaises face au changement climatique. Académie des sciences, junho de 2023. http://dx.doi.org/10.62686/6.
Texto completo da fonte