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Academic literature on the topic 'Intelligence artificielle distribuée et systèmes multi-Agents'
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Dissertations / Theses on the topic "Intelligence artificielle distribuée et systèmes multi-Agents"
Gandon, Fabien. "INTELLIGENCE ARTIFICIELLE DISTRIBUÉE ET GESTION DES CONNAISSANCES : ONTOLOGIES ET SYSTÈMES MULTI-AGENTS POUR UN WEB SÉMANTIQUE ORGANISATIONNEL." Phd thesis, Université de Nice Sophia-Antipolis, 2002. http://tel.archives-ouvertes.fr/tel-00378201.
Full textsur une ontologie. Dans le projet CoMMA, je me suis focalisé sur deux scénarios d'application:
l'assistance aux activités de veille technologique et l'aide à l'insertion d'un nouvel employé dans une organisation. Trois aspects ont été développés dans ce travail :
- la conception d'une architecture multi-agents assistant les deux scénarios, et l'approche organisationnelle descendante adoptée pour identifier les sociétés, les rôles et les interactions des agents ;
- la construction de l'ontologie O'CoMMA et la structuration de la mémoire organisationnelle en exploitant les technologies du Web sémantique ;
- la conception et l'implantation (a) des sous-sociétés d'agents chargées de la maintenance des annotations et de l'ontologie et (b) des protocoles supportant ces deux groupes d'agents, en particulier des techniques pour la distribution des annotations et des requêtes entre les agents.
Sabouret, Nicolas. "Interactions sur le fonctionnement dans les systèmes multi-agents ouverts et hétérogènes." Habilitation à diriger des recherches, Université Pierre et Marie Curie - Paris VI, 2009. http://tel.archives-ouvertes.fr/tel-00464188.
Full textElimadi, Manal. "Modélisation et la simulation à base d'agents : Affectation dynamique des véhicules autonomes et connectés." Electronic Thesis or Diss., Bourgogne Franche-Comté, 2023. http://www.theses.fr/2023UBFCA028.
Full textThe problem of traffic assignment consists of determining the routes taken by users of a transportation infrastructure. This problem has been the subject of numerous studies, particularly in the context of analyzing scenarios for the development of road infrastructure and pricing strategies. Its formulation is primarily based on the principle of Wardrop equilibrium, where routes are defined in such a way that users have no incentive to change their paths. In the absence of pricing policies, this equilibrium ensures fairness in travel times between each origin-destination pair. However, it results in a social cost because fairness does not necessarily allow for optimal use of the network.The evolution of intelligent transportation systems, as well as the emergence of connected and autonomous vehicles, present new challenges to current approaches for solving the traffic assignment problem. These approaches rely on several simulation iterations to estimate travel times and adjust vehicle routes following gradient descent. However, these methods have two major limitations. Firstly, they do not enable real-time generation of balanced routes. Secondly, they do not take into account the ability of connected and autonomous vehicles to acquire precise information about traffic conditions. The work of this thesis aims to address these two limitations of current approaches. The goal is to define the interactions between various intelligent transportation systems, capable of leveraging relevant information to generate real-time routes that are both equitable and efficient. To achieve this objective, the thesis uses agent-based traffic modeling and simulation.The initial multi-agent systems proposed in this thesis draw inspiration from various traffic assignment assumptions in the literature. However, the results obtained revealed some shortcomings. Simulations show that the precise knowledge of travel times primarily depends on managing conflicts at network nodes. As a result, this thesis proposes a new approach based on multi-agent reservation of intersections. This approach dynamically assigns itineraries for autonomous and connected vehicles. The results show that it is possible to compute fair routes in real-time while significantly improving traffic efficiency
Ramos, Milton. "Structuration et évolution conceptuelles d'un agent assistant personnel dans les domaines techniques." Compiègne, 2000. http://www.theses.fr/2000COMP1302.
Full textThe concept of assistance, in fast, is always present in back-plane during all the history of computer sciences. We cannot dissociate the development in computers systems from the assistance to a user, in order to help him to achieve a specific task. In the Artificial Intelligence (AI), we can see the research and the development of the expert systems the attempt to build intelligent assistants, In our research we propose a model of a cognitive agent centred on the concept of assistance, i. E. The assistant agent is specialized in helping its Master (the user), Ms interests and preferences. Consequently, it is not up to a personal assistant agent to carry out itself the tasks required by its Master, but to "who" can do them and to engage and coordinate these other agents specialized in the tasks (service-agents). This assistant agent was built from the generic model of agent proposed in OMAS platform, and we identify the principal contributions: the : free-style protocol, from witch the agent sending a message can formulate its requests in a free language, the receiving agent of the message which has the responsibility to understand it, and the mechanism of conversation between the Master and the assistant integrated into the ontological mechanism. The OMAS-WA - " Open Multi-Agent Systems with Assistants platform is the specialization of OMAS platform for a special type of agent: the personal assist agent. The implementation of this specialization on the OMAS generis model of agent constitutes the experimental side of our research
Tlig, Mohamed. "Coordination locale et optimisation distribuée du trafic de véhicules autonomes dans un réseau routier." Thesis, Université de Lorraine, 2015. http://www.theses.fr/2015LORR0049/document.
Full textIn this thesis, we focus on traffic coordination and optimization in road intersections, while accounting for intelligent autonomous vehicles. This thesis is organized in two parts. The first part focuses on the problem of sharing a one-lane road between two opposite flows of vehicles. The state of the art shows few studies addressing this issue. We propose two reactive coordination approaches that minimize vehicle delays and measure their performances statistically through simulations. The second part of the thesis addresses the problem of generic traffic management in a traffic network. We develop a stop-free approach that explores a principle alternating vehicles between flows at intersections, and it provides distributed algorithms optimizing this alternation at each intersection and in the overall network. We present the modeling choices, the algorithms and the simulation study of our approach and we compare its performances with existing approaches
Tlig, Mohamed. "Coordination locale et optimisation distribuée du trafic de véhicules autonomes dans un réseau routier." Electronic Thesis or Diss., Université de Lorraine, 2015. http://www.theses.fr/2015LORR0049.
Full textIn this thesis, we focus on traffic coordination and optimization in road intersections, while accounting for intelligent autonomous vehicles. This thesis is organized in two parts. The first part focuses on the problem of sharing a one-lane road between two opposite flows of vehicles. The state of the art shows few studies addressing this issue. We propose two reactive coordination approaches that minimize vehicle delays and measure their performances statistically through simulations. The second part of the thesis addresses the problem of generic traffic management in a traffic network. We develop a stop-free approach that explores a principle alternating vehicles between flows at intersections, and it provides distributed algorithms optimizing this alternation at each intersection and in the overall network. We present the modeling choices, the algorithms and the simulation study of our approach and we compare its performances with existing approaches
Vercouter, Laurent. "Conception et mise en oeuvre de systèmes multi-agents ouverts et distribués." Phd thesis, Ecole Nationale Supérieure des Mines de Saint-Etienne, 2000. http://tel.archives-ouvertes.fr/tel-00839604.
Full textGutknecht, Olivier. "Proposition d'un modèle organisationnel générique de systèmes multi-agents et examen de ses conséquences formelles, implémentatoires et méthologiques." Phd thesis, Université Montpellier II - Sciences et Techniques du Languedoc, 2001. http://tel.archives-ouvertes.fr/tel-00008737.
Full textFerrand, Nils. "Modèles Multi-Agents pour l'Aide à la Décision et la Négociation en Aménagement du Territoire." Phd thesis, Université Joseph Fourier (Grenoble), 1997. http://tel.archives-ouvertes.fr/tel-00003562.
Full textStratulat, Tiberiu. "Systèmes d'agents normatifs : concepts et outils logiques." Phd thesis, Université de Caen, 2002. http://tel.archives-ouvertes.fr/tel-00005215.
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