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Academic literature on the topic 'Internet – Modèles mathématiques'
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Journal articles on the topic "Internet – Modèles mathématiques"
Bournet, P. E., D. Dartus, B. Tassin, and B. Vincon-Leite. "Ondes internes du lac du Bourget: analyse des observations par des modèles linéaires." Revue des sciences de l'eau 9, no. 2 (April 12, 2005): 247–66. http://dx.doi.org/10.7202/705252ar.
Full textDeschamps, P., I. Nicolis, E. Curis, L. Cynober, and S. Bénazeth. "P008 Modèle mathématique de l’étape limitante du cycle de l’urée." Nutrition Clinique et Métabolisme 21 (November 2007): 50. http://dx.doi.org/10.1016/s0985-0562(07)78810-6.
Full textDissertations / Theses on the topic "Internet – Modèles mathématiques"
Malouch, Naceur. "Modélisation et optimisation de mécanismes de services à valeur ajoutée dans Internet." Nice, 2003. http://www.theses.fr/2003NICE4003.
Full textIn this thesis, we study two paradigms that aim to improve the best-effort service provided by the TCP/IP protocols of the Internet network. The thesis is organized in two parts. In the first part, we study differentiated services mechanisms. In particular, we develop models to evaluate the performance of TCP protocol in networks with multiple levels of assurance. We also use the model to investigate the problem of setting the parameters of routers with two drop probability functions. In the second part, we study overlay multicast, a new approach to improve the quality perceived by multicast applications. This approach requires the design of specific algorithms to optimize end-to-end delays and bandwidths. We propose and evaluate analytically and by simulation algorithms for overlay construction adapted to this kind of applications
Meng, Anbo. "Contribution à la modélisation et l'implémentation d'un système d'e-Education basé sur les multi-agents." Metz, 2006. http://docnum.univ-lorraine.fr/public/UPV-M/Theses/2006/Meng.Anbo.SMZ0636.pdf.
Full textThe goal of this PhD thesis is develop an intelligent, flexible, personalized and open e-Education environment so as to provide an efficient mechanism to personalize the learner's learning process and the teacher's pedagogic process, diversify the learning paradigms and facilitate the development of the teaching and learning materials. To achieve such goal, this thesis explored and adopted a series of innovative methodologies, théories, algorithmes, and technologies derived from multidiscipline such as Multi-Agent, system, learning Object, cognitive theorue, genetic algorithm, eXentensible Markup Langaguage, J2EE and so on. In particular, this dissertation concentrates on the approch of MAS as a container and supporting environment to integrating and encapsulating the above mentioned technologies and methodologies, as well as to modeling and implementating several typical e-Education applications different levels and different contexts in terms of content authoring, individual and collective learning, expertise peer help finding, and test generation, delivery, assessment in distributed learning environment after deliberately taking into consideration the obvious advantage of MAS in terms of autonomy, procativeness, social ability and reactivity, To verify and validate the feasibility and efficiency of the models proposed in thisthesis, part of the models have been implementted and simulated with the JADE framework. The final simulation results demonstrate the rationality and feasibility of applying multi-agent system technology to modeling and implementing large-scale and complex e-Education system in distributed environment
Nel, François. "Suivi de mouvements informationnels : construction, modélisation et simulation de graphes de citations, application à la détection de buzz." Paris 6, 2011. http://www.theses.fr/2011PA066541.
Full textMaureira, Juan-Carlos. "Internet on rails." Nice, 2011. https://tel.archives-ouvertes.fr/tel-00594951.
Full textThis thesis proposes a new method for providing network connectivity to vehicles over a predefined trajectory (trains, metros, urban buses, etc. ). The communication between the vehicle and the infrastructure network is based only on WiFi technology. The contributions of this work are two-folds : the horizontal handover (between WiFi access points) and the design and analysis of an infrastructure network (backbone network plus WiFi access network) deployed along the trajectory of the vehicle. In the first contribution, we propose a handover scheme, called Spiderman Handover, which describes the horizontal handover for an in-motion network (on-board the vehicle) considering a procedure to update the routing information of a bridged infrastructure network (ISI layer 2). We evaluate our proposal by means of simulation and we validate our results by experimental measurements. In the second contribution, we study theoretically the parameters of several chordal like topologies in order to build a backbone network for a linear access network. By comparing these parameters, we propose a backbone network composed by a combination of two chordal topologies. This backbone network provides a good balance between their deployment cost, number of hops to the gateway of the network and a reasonable resilience. Finally, we evaluate the integration of this infrastructure network and the handover scheme by means of simulations. Results showed that the proposed handover scheme works properly on the proposed infrastructure network, allowing the provision of a continuous network connectivity to passengers on-board trains, metros or urban buses
Weisser, Marc-Antoine. "La qualité de service dans le réseau inter-domaine Internet : algorithmes et modélisation." Versailles-St Quentin en Yvelines, 2007. http://www.theses.fr/2007VERS0032.
Full textThe Internet is a network composed of more than 20,000 independant networks. The are inter-connectrd and built the inter-domain network. Packets passing through the network follow a path selected by BGP wich can be composed of many domains. No information concerning the qualité of the path is spread into the network. In this thesis, we study two approaches to introduce the quality of service into the inter-domain network. Each approach is built on the information collected by BGP, without lodification of the protocol. The proposed algorithms use a small quantity of information and we show that they are efficient. The first approach is a mechanism based on alert messages diffusion. It allows client domains to be aware when some of there provider domains are congested and to adapt their paths to avoid the congestion. The sedoncd approach is a multi-constraint path selection mechanism. It respects the limitations of the inter-domain network such as the opacity of domains. For both approaches we produice theoretical results on the complexity of the studied problems and simulations showing the efficient behaviour of our solutions. To built simulation models, we need topologies wich are representative ot hr inter-domain network and its hierarchical structure. Because a such generator did not exist, we write it (SHIIP software). We propose in this thesis two mechanisms to introducs the quality of service in the internet and a model of random topology representative of the hierarchical structure of the inter-domain network
Oktaei, Parnian, and Parnian Oktaei. "Physical internet enabled transit centers : business modeling and profitability assessment." Master's thesis, Université Laval, 2015. http://hdl.handle.net/20.500.11794/26411.
Full textDans cette recherche, la modélisation d'affaires des centres de transit de l'Internet physique (PI, π) est étudiée dans le but d'aider les gestionnaires de la logistique, les analystes d'affaires et les investisseurs potentiels à avoir une analyse profonde et rapide des principaux aspects d'affaires de ces unités d'affaires. La première partie de cette étude examine les aspects critiques de conception de l'entreprise qu’est un π-transit. Pour atteindre cet objectif, le canevas de modèle d’affaires proposé par Osterwalder et Pigneur (2010) est utilisé pour développer un modèle d'affaires pour cette composante spécifique de l'Internet Physique. La deuxième partie de cette recherche étudie l'effet de l'emplacement sur le modèle d'affaires du π-transit. Un cadre conceptuel est élaboré pour identifier les différents composants affectant le modèle d'affaires d'un π-transit, chacun étant divisé en éléments particuliers. L'impact de la localisation d’un π-transit sur son modèle d'affaires est analysé pour chaque élément à travers un ensemble d'indicateurs. Le modèle est ensuite appliqué pour analyser l'environnement d’affaires pour des sites situés dans les régions métropolitaines. La dernière partie de la recherche étudie l'effet d'un ensemble de facteurs de localisation sur le profit potentiel d’un π-transit. Un modèle analytique est développé et validé par le biais de corrélations et de régressions étant donné un ensemble de données empiriques d’une expérience de simulation à grande échelle.
In this research, the business modeling of Physical Internet (PI, π) enabled transit centers is investigated with the goal of helping logistics managers, business analysts and potential investors to have a deep and quick scan over the key business aspects of these business units. The first part of this research investigates critical business aspects of π-transit related to its specific design. To reach this goal, the Business Model Canvas proposed by Osterwalder and Pigneur (2010) is used to develop a business model for this specific Physical Internet component. The second part of this research investigates the effect of location on the π-transit business model. A conceptual framework is elaborated to identify the various components affecting a π-transit’s business model, each one being divided into elements. The impact of location on the business model is analyzed for each element through a set of indicators. The framework is then applied for analyzing the business environment of sites located in metropolitan areas. The last part of the research investigates the effect of a set of location factors on the potential for profitability of π-transits. An analytical model is developed and validated through correlation and regression analyses using data from a large-scale simulation experiment.
In this research, the business modeling of Physical Internet (PI, π) enabled transit centers is investigated with the goal of helping logistics managers, business analysts and potential investors to have a deep and quick scan over the key business aspects of these business units. The first part of this research investigates critical business aspects of π-transit related to its specific design. To reach this goal, the Business Model Canvas proposed by Osterwalder and Pigneur (2010) is used to develop a business model for this specific Physical Internet component. The second part of this research investigates the effect of location on the π-transit business model. A conceptual framework is elaborated to identify the various components affecting a π-transit’s business model, each one being divided into elements. The impact of location on the business model is analyzed for each element through a set of indicators. The framework is then applied for analyzing the business environment of sites located in metropolitan areas. The last part of the research investigates the effect of a set of location factors on the potential for profitability of π-transits. An analytical model is developed and validated through correlation and regression analyses using data from a large-scale simulation experiment.
Djebbari, Fanny. "Une analyse microéconomique des effets de l'information et de la notoriété dans le commerce électronique en présence de comparateurs de prix." Caen, 2005. http://www.theses.fr/2005CAEN0626.
Full textAssossou, Didier. "Contribution à une méthode de modélisation et de conception des applications hypermédia." Dijon, 2002. http://www.theses.fr/2002DIJOS074.
Full textSalah, Brahim Abdelhamid. "Diffusion d'information et structure en communautés dans un réseau de blogs." Paris 6, 2011. http://www.theses.fr/2011PA066579.
Full textDehors, Sylvain. "Exploiting semantic web and knowledge management technologies for e-learning." Nice, 2007. http://www.theses.fr/2007NICE4006.
Full textThis work explores the potential applications of semantic web and knowledge management technologies for e-learning systems for accessing courses. It particularly addresses the difficult problem of reusing existing resources. In this scope, we propose a methodology and an associated system (QBLS) relying on cutting-edge semantic web tools and formalisms, that particularly develops three aspects: Reusing existing pedagogical resources through a process called "semantization". Pedagogical content is semi-automatically annotated with ontological concepts, from several points of view (domain, pedagogy, structure). It aims at contextualizing the material with regard to the teacher's conceptualization and pedagogical strategy. Exploiting annotated pedagogical resources in dynamic web interfaces. We show how semantic web technologies efficiently perform inferences based on ontological knowledge to personalize and adapt courses. The interest of semantic web standards (OWL, RDF, SPARQL) is highlighted in a practical perspective, relying on the deployment of the semantic search engine Corese. Tracking learner activity and analysis of this activity. We explore the potential of graphic based visualization and inferences to manually or automatically analyze activity traces on a semantized course. The theoretical proposal is supported by our implementation of the Question Based Learning System where learning resources available on the web are reused, annotated and exploited in real world experiments using semantic web technologies. The practical examples mentioned in this work are illustrated by two experiments conducted at the EPU of Nice Sophia-Antipolis
Books on the topic "Internet – Modèles mathématiques"
Kohl-Landgraf, Peter. PDE valuation of interest rate derivatives: From theory to implementation. Norderstedt: Books on Demand GmbH, 2007.
Find full textNigh, Gordon D. Amabilis fir height-age and growth intercept models for British Columbia. Victoria, B.C: Ministry of Forests and Range, Forest Science Program, 2009.
Find full textNigh, Gordon Donald. A growth intercept model for coastal Douglas-fir. Victoria: British Columbia, Ministry of Forests Research Program, 1997.
Find full textRebonato, Riccardo. Volatility and correlation in the pricing of equity, FX, and interest-rate options. Chichester, England: John Wiley, 1999.
Find full textBaker, Robert G. V. Dynamic Trip Modelling: From Shopping Centres to the Internet (GeoJournal Library). Springer, 2006.
Find full textModeling Engine Spray and Combustion Processes (Heat and Mass Transfer). Springer, 2003.
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