Rozprawy doktorskie na temat „Intelligence artificielle – Informatique”
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Lodter, Christiane. "Intelligence artificielle en orthodontie (ODONTEL*)". Toulouse 3, 1990. http://www.theses.fr/1990TOU30206.
Pełny tekst źródłaCornu, Philippe. "Logiques et sciences cognitives en intelligence artificielle". Grenoble 2 : ANRT, 1987. http://catalogue.bnf.fr/ark:/12148/cb37604052k.
Pełny tekst źródłaHelft, Nicolas. "L' Induction en intelligence artificielle : théorie et algorithmes". Aix-Marseille 2, 1988. http://www.theses.fr/1988AIX22044.
Pełny tekst źródłaBessière, Christian. "Systèmes à contraintes évolutifs en intelligence artificielle". Montpellier 2, 1992. http://www.theses.fr/1992MON20166.
Pełny tekst źródłaNapoli, Amedeo. "Représentations à objets et raisonnement par classification en intelligence artificielle". Nancy 1, 1992. http://www.theses.fr/1992NAN10012.
Pełny tekst źródłaDo, Si Hoàng. "Informatique répartie et applications à la domotique". Paris 8, 2004. http://www.theses.fr/2004PA083710.
Pełny tekst źródłaHome networking includes the whole services and techniques aiming at integrating, in the individual dwellings or apartment building, of the specific functions to the habitat which can, for some cases, collaborate between them and use communication networks. The applying fields are, for example, energy management, lighting management, security, etc. But it also covers, with the advent of information highways, the entertainment, e-learning, the videoconference and telephony on Internet network. The thesis objective is to design, implement, test and validate a home services system by applying mobile agent technology combining with the brought solutions by the standard home services framework OSGi
Charroppin, Rémi. "Contribution à l'élaboration d'une méthodologie de conception en intelligence artificielle". Aix-Marseille 3, 1989. http://www.theses.fr/1989AIX30073.
Pełny tekst źródłaSofiane, Ahcène. "Contributions aux techniques de fusion de connaissances en intelligence artificielle". Artois, 2003. http://www.theses.fr/2003ARTO0408.
Pełny tekst źródłaNapoli, Amedeo Haton Jean-Paul. "Représentations à objets et raisonnement par classification en intelligence artificielle /". [S.l.] : [s.n.], 1992. http://www.scd.uhp/docnum/SCD_T_1992_0012_NAPOLI.pdf.
Pełny tekst źródłaVoyiatzis, Konstantinos. "Utilisation de l'intelligence artificielle pour les problèmes d'ordonnancement". Paris 9, 1987. https://portail.bu.dauphine.fr/fileviewer/index.php?doc=1987PA090102.
Pełny tekst źródłaThe present work concerns the scheduling of the products in a production system from "jobshop" type. This problem is a combinatorial problem and has an incompatible solution with the "real time" contraint. We demonstrate in which way this approach "artificial intelligence" can conduct to an acceptable scheduling in real time. The first chapter presents the structure of the artificial memory we use. The second one tells us an example of utilization on this approach. The appendix i remains the basis of production managment. The appendix ii gives us the basis of the automatic classification used in severals parts of this work. And the appendix iii, contains the software of simulation written in slam
Ouali, Mohammed El Habib. "Méthodes d'intégration des estimations multi-échelles de la disparité à partir de la phase du filtre de Gabor : algorithmes et évaluations". ENSMP, 2000. http://www.theses.fr/2000ENMP0977.
Pełny tekst źródłaWe propose a new methodology of multiscale phase difference-based disparity integration. Usually, the disparity map obtained with unique filter exhibits a poor density. Moreover, the disparity s not reliable everywhere because of the presence of the unwanted phase singualarities effects. Its is then natural to use other filter tunings, e. G. Scales, to avoid these singularities in order to improve the density and the precision of the disparity maps. To overcome these problems, the algorithms proposed in the literature use palliatives : the disparity is computed as a weighted average of the multiscale estimates, a coarse-to-fine strategy or, finally, an iterative calculation. , like for example Newton iterations, to refine the solution. As these palliatives present drawabacks, we propose to use explicit mechanisms for the multiscale selection. This approach is in total agreement with recent works of Koenderink and Lindeberg. In our case, we use the magnitudes of the filter response as well as the relative distance between the instantaneous frequency observed and the filter peak frequency as fusion parameters of the multiscale estimates. However, this suppose that we have an estimate with all the scales considered. To satisfy this condition, we propose to use the derivative of the original signal. We observe that the singularities are not with the same positions according to wheter we use the signal or its derivative of order N. We also propose a quadratic model to determine the singularities neighborhoods without detecting these singularities. Finally, we present the non-contextual and contextual algorithms evaluation where we show its importance, on the one hand to guide search and on the other hand in the transfer of the algorithms towards industry
Wagner, Pierre. "Machine et pensée : l'importance philosophique de l'informatique et de l'intelligence artificielle". Paris 1, 1994. http://www.theses.fr/1994PA01A009.
Pełny tekst źródłaThe goal of this work is to value the philosophical importance of computer science and artificial intelligence, by studying the relations between machine and thought. The arguments raised for and against mechanism in the contemporary philosophy are examined successively. In this case, the theses of mechanical philosophy are based on computer science and on artificial intelligence. According to the strongest of these theses, a machine can think and a mechanical model of thought using ideas in computer science can be designed. With regard to artificial intelligence, the two main points examined are the following : fist, what can be expected from the progress made in this domain, by a philosophical investigation of the relations between machine and thought ? Second, is the parallel often drawn between philosophers as descartes, hobbes, leigniz or la mettrie on the one hand, and the representation of mind according to artificial intelligence on the other hand, a valid one ? On this last point, it is argued that the answer is no. As for computer science, it raises its own questions about machine and thought, questions that are often overlooked, and ignored by the debate on mechanism and artificial intelligence, while they no less deserve philosophical examination. These questions are raised by studying the relations between logic and computer science
Buche, Cédric Tisseau Jacques. "Un système tutoriel intelligent et adaptatif pour l'apprentissage de compétences en environnement virtuel de formation". [s.l.] : [s.n.], 2005. http://tel.ccsd.cnrs.fr/docs/00/05/23/77/PDF/rapportThese_CedricBuche.pdf.
Pełny tekst źródłaFRANDJI, BRUNO. "Etude des principaux problemes rencontres dans l'utilisation de nomenclatures de codes en medecine : apport de l'intelligence artificielle". Aix-Marseille 2, 1989. http://www.theses.fr/1989AIX20166.
Pełny tekst źródłaYacoubi, Alya. "Vers des agents conversationnels capables de réguler leurs émotions : un modèle informatique des tendances à l’action". Thesis, Université Paris-Saclay (ComUE), 2019. http://www.theses.fr/2019SACLS378/document.
Pełny tekst źródłaConversational virtual agents with social behavior are often based on at least two different disciplines : computer science and psychology. In most cases, psychological findings are converted into computational mechanisms in order to make agents look and behave in a believable manner. In this work, we aim at increasing conversational agents’ belivielibity and making human-agent interaction more natural by modelling emotions. More precisely, we are interested in task-oriented conversational agents, which are used as a custumer-relationship channel to respond to users request. We propose an affective model of emotional responses’ generation and control during a task-oriented interaction. Our proposed model is based, on one hand, on the theory of Action Tendencies (AT) in psychology to generate emotional responses during the interaction. On the other hand, the emotional control mechanism is inspired from social emotion regulation in empirical psychology. Both mechanisms use agent’s goals, beliefs and ideals. This model has been implemented in an agent architecture endowed with a natural language processing engine developed by the company DAVI. In order to confirm the relevance of our approach, we realized several experimental studies. The first was about validating verbal expressions of action tendency in a human-agent dialogue. In the second, we studied the impact of different emotional regulation strategies on the agent perception by the user. This study allowed us to design a social regulation algorithm based on theoretical and empirical findings. Finally, the third study focuses on the evaluation of emotional agents in real-time interactions. Our results show that the regulation process contributes in increasing the credibility and perceived competence of agents as well as in improving the interaction. Our results highlight the need to take into consideration of the two complementary emotional mechanisms : the generation and regulation of emotional responses. They open perspectives on different ways of managing emotions and their impact on the perception of the agent
Mokhtari, Aïcha. "Apport des logiques non-classiques pour une représentation de la causalité". Paris 13, 1994. http://www.theses.fr/1994PA132026.
Pełny tekst źródłaBourdellès, Michel. "Analyse de systèmes réactifs synchrones à des fins de vérification : Application au langage ESTEREL". ENSMP, 1999. http://www.theses.fr/1999ENMP0931.
Pełny tekst źródłaDuval, Thomas. "Analyse informatique post-mortem : mise en oeuvre et évaluation d'une approche bayésienne". Rennes 1, 2005. http://www.theses.fr/2005REN1S185.
Pełny tekst źródłaLattaud, Claude. "Approche adaptative de systèmes multi-agents dans un contexte vie artificielle". Paris 5, 1998. http://www.theses.fr/1998PA05S021.
Pełny tekst źródłaKyriazopoulos, Constantinos. "Une méthodologie cellulaire et multi-agents de conception architecturale évolutionniste". Paris 8, 2007. http://octaviana.fr/document/134097890#?c=0&m=0&s=0&cv=0.
Pełny tekst źródłaWe propose a methodological framework of architectural design which uses operations and tools of artificial intelligence: we propose, in this study, to materialize an a priori imaginary and global architectural space by primarily local operations of instantiations and reifications of cellular design. The Architect Space (AS) is an imaginary space. The building to which this space can corresponds, being quite real, is a material transcription of the properties of this AS, and also the resultant of constraints, choices, and physical and social pressures. This resultant is the achievement and the effect of operations gathered as a structure. These operations, which are equipped with formal and algorithmic properties, constitute the tools for materialization of an AS. The operative structures, considering the complexity of the imaginary AS to materialize involve as for now a data processing of modeling and optimizations which concerns clearly the artificial intelligence today: heuristics, monte-carlos, artificial selections and evolutions, multi-agents. We propose a repertory and an ordering of these methods and their applications to the architectural design. We examine on this occasion the aspects of the history of architecture which carry out logically towards our approach. In the introduction, we present the problematic (origins, goal, limits and uses) of the proposed method. In chapter 1, we present a multi agent system, supported by an evolutionary method. In chapter 2, we describe an architectural interface, which interposes between the multi agent system and the Architect user. In chapter 3, we describe the principles of history of theory of architecture. In chapter 4, we answer the question "why Architect needs the concepts and methods of the artificial intelligence?", by briefly traversing the associated theories, methods and application. Finally concluding, in chapter 5, we re-examine the greatest part of the plans and models presented at the preceding chapters which could be examined this time in the light of our proposals. One will note that a significant part of our examples relate to the design of residences and their critical parts: kitchens, bathrooms, this sort of functions: we are convinced that formal architecture must aim to solve the practical problems above all. Finally, it is very deliberately, that we have decided, within the framework of this thesis, to place our personal contribution before the history of the field, which never ceased appearing in innermost depth of our work
Le, Goc Marc. "Contribution au développement d'outils pour la conception de contrôleurs cognitifs". Lyon, INSA, 1989. http://www.theses.fr/1989ISAL0051.
Pełny tekst źródłaGuessasma, Sofiane. "Optimisation et contrôle de procédés de projection thermique par coopération de méthodes d'intelligence artificielle". Besançon, 2003. http://www.theses.fr/2003BESA2010.
Pełny tekst źródłaThe aim of this work was to implement the Artificial Neural Network (ANN) methodology to predict the correlations between the APS processing parameters and the coating attributes. APS alumina-titania coatings were realized and their properties were characterized to serve as a database to feed ANN structures. Such structures permitted in one hand to relate the processing parameters to the in-flight particle characteristics and in the other hand to relate the processing parameters to some coating mechanical properties and microstructural characteristics. The predicted results, which represent a global treatment of the whole database, proved to be comparable to the experimental results. In such a way, they permitted to quantify some relationships not represented by the experimental sets
Mouton, Rémy. "Outils intelligents pour les musicologues". Le Mans, 1992. http://www.theses.fr/1995LEMA1014.
Pełny tekst źródłaTran, Chi Dung. "Vers un environnement générique et configurable pour l'aide à l'évaluation des systèmes interactifs à base d'agents : application à un système d'aide à l'information voyageurs". Valenciennes, 2009. http://ged.univ-valenciennes.fr/nuxeo/site/esupversions/5d9390ed-9ec6-43ae-95c4-d85fb233aef0.
Pełny tekst źródłaThe evaluation of interactive systems has been a very active subject of research since more than around thirty years. The appearance of agent-based interactive systems implies new problems relative to the evaluation of such systems. Our contribution is to propose a generic and configurable environment baptized EISEval (Environment for Interactive System Evaluation) to assist the evaluation of agent-based interactive systems. Indeed, it takes into account specificities of such systems and extend the possibilities of the traditional electronic informers to evaluate different aspects of a system: the user interface, some non-functional properties (for instance: response time) and certain user’s properties. This environment has been validated by applying it in the SART project, to evaluate an interactive system in the field of transport called IAS (Information Assistance System). The research perspectives concern the evaluation and the improvement of the SAI system, and the improvement of the proposed evaluation environment to increase its automation and integrate it into an integrated environment. This environment would allow to combine evaluation results from various methods (including the proposed EISEval environment) to assist the evaluation of interactive systems
Savelli, Joël. "Facettes statique et dynamique de la notion d'analogie : relation d'analogie et processus analogiques". Aix-Marseille 3, 1993. http://www.theses.fr/1993AIX30017.
Pełny tekst źródłaChazal, Gérard. "Le miroir automate : introduction à une philosophie de l'informatique". Dijon, 1993. http://www.theses.fr/1993DIJOL006.
Pełny tekst źródłaConsidering computer science as an image of the human mind, we can develop a philosophy by analogy, an anthropology by artifice, which requires the same accuracy and the same rationality, as any thought processes in philosophy. We start from the logic machine since, inherently, in its most elementary operation as in its complex achievements, the computer inherits the logic frames which, from Aristoteles, have been discovered as invariants of the workings of the mind. A close examination of the logic processes, of their difficulties and their philosophical implications, will allow to study the possibilities of the computer in the field of the language. Thus, the language is a genuine philosophical question. At last, trying to outline a theory of the "machine mind", we will see how computer science leads to a continuation and a revival of the Aristotelian hylemorphism. Moreover we will see how this field where science and technic focus on, opens new ways to the expansion of the rational conquest of the world
Gouaich, Abdelkader. "Movement, interaction, calculation as primitives for everywhere & anytime computing". Montpellier 2, 2005. http://www.theses.fr/2005MON20101.
Pełny tekst źródłaGuerra, Hernandez Alejandro. "Apprentissage d'agents rationnels BDI dans un univers multi-agents". Paris 13, 2003. http://www.theses.fr/2003PA132020.
Pełny tekst źródłaThe goal of this thesis is to study the issue of rational BDI learning agents, situated in a multi-agent system. A rational agent can be defined as a cognitive entity endowed with intentional attitudes, e. G. , beliefs, desires, and intentions (BDI). First, we study the concepts of agency and practical reasoning, allowing agents to induce from their intentional attitudes, a behavior identified as rational. These concepts are formalized using a multi-modal BDI logic, enabling us to specify and develop a BDI architecture implemented in Lisp. The architecture is fully operational, it allows the execution of multiple BDI agents in a multi-agent system and it improves the epistemic reasoning of each agent introducing first-order theorem proving competences. Then, we study the problem of learning in the agency context and we propose a hierarchy of learning situations based on the awareness of agents about the presence of other agents in the multi-agent system. We use the first-order induction of logical decision trees to enable our BDI agents to learn the "reasons" they have to form an intention. These reasons correspond in the architecture to the trigger conditions of the plans of the agent. This learning method is included in the architecture proposed, allowing BDI agents to learn from their own experience, as if they were isolated (first level of the hierarchy proposed), and communicating with other agents in the Multi-agent System, to profit in this way of the experience of others
Pain-Barre, Cyril. "Exploitation d'une théorie de l'action et des tableaux analytiques pour la planification". Aix-Marseille 2, 1999. http://www.theses.fr/1999AIX22079.
Pełny tekst źródłaChibani, Abdelghani Amirat Yacine. "Intergiciel multi agents orienté web sémantique pour le développement d'applications ubiquitaires sensibles au contexte". Créteil : Université de Paris-Val-de-Marne, 2008. http://doxa.scd.univ-paris12.fr:8080/theses-npd/th0405255.pdf.
Pełny tekst źródłaThèse uniquement consultable au sein de l'Université Paris 12 (Intranet). Titre provenant de l'écran-titre. Bibliogr. : 154 réf.
Chibani, Abdelghani. "Intergiciel multi agents orienté web sémantique pour le développement d’applications ubiquitaires sensibles au contexte". Paris 12, 2006. http://www.theses.fr/2006PA120068.
Pełny tekst źródłaLoukil, Zied. "Intégration des ressources en planification temporelle optimale". Artois, 2008. http://www.theses.fr/2008ARTO0402.
Pełny tekst źródłaIn this thesis, we aim at introducing the management of consumable and renewable resources in temporal, parallel and domain-independent planning. As an application of our work, our purpose is to improve the temporal parallel planner named CPT which is not able to manage resources in its original version. In addition, we want to preserve all the original performances of this planner on temporal planning problems. We focus on the total duration of the plan as the optimization criterion. To express resource constrains, we develop a resource-based formalism in relation of the mutual-exclusion-based one introduced by Smith and Weld and used by the CPT planner to express temporal constraints. We propose two different methods to manage resources in the CPT planner: The first one, based on resource links, requires additional resource constraints which must be respected and can resolve temporal planning problems under resources within remarkable search delays. The second one is based on synchronization actions; it is less restrictive than the first method but it requires many additional propagation rules to speed up the search process. In many cases, the synchronization actions-based method finds temporal optimal parallel plans with better quality than the ones found by the resource links-based method
Jullien, Christian. "Le-cool : un langage orienté objet à héritage multiple permettant la manipulation des concepts et des données en intelligence artificielle". Paris 6, 1986. http://www.theses.fr/1986PA066264.
Pełny tekst źródłaChebili, Mourad. "Une interface intelligente d'assistance à l'utilisation d'un système d'exploitation". Paris 8, 2000. http://www.theses.fr/2000PA081858.
Pełny tekst źródłaBessant, Brigitte. "Contributions aux techniques de révision de croyances en intelligence artificielle : aspects sémantiques et calculatoires". Artois, 1999. http://www.theses.fr/1999ARTO0402.
Pełny tekst źródłaOsmani, Aomar. "Diagnostic de pannes dans les réseaux : approche à base de modèles et raisonnement temporel". Paris 13, 1999. http://www.theses.fr/1999PA132044.
Pełny tekst źródłaFouladi, Karan. "Recommandation multidimensionnelle d’émissions télévisées par apprentissage : Une interface de visualisation intelligente pour la télévision numérique". Paris 6, 2013. http://www.theses.fr/2013PA066040.
Pełny tekst źródłaDue to the wealth of entertainment contents provided by Digital Mass Media and in particular by Digital Television (satellite, cable, terrestrial or IP), choosing a program has become more and more difficult. Far from having a user-friendly environment, Digital Television (DTV) users face a huge choice of content, assisted only by off-putting interfaces named classical "Electronic Program Guide" EPG. That makes users' attention blurry and decreases their active program searching and choice. The central topic of this thesis is the development of a Recommendation System interfaced mapping interactive TV content. To do this, we chose to use a Recommendation System based on the content and have adapted to the field of television. This adaptation is carried out at several specific steps. We especially worked processing metadata associated with television content and developing an expert system can provide us with a unique categorization of television. We also took the initiative to model and integrate the context of use in our television viewing environment modeling. The integration of context allowed us to obtain a sufficiently fine and stable in this environment, allowing us to implementing our recommendation system. Detailed categorization of metadata associated with television content and modeling & integration of context of use television is the main contribution of this thesis. To assess / improve our developments, we installed a fleet of nine homes left in three specific types of families. This has given us the means to assess the contribution of our work in ease of use television in real conditions of use. By an implicit approach, we apprehended the behavior of television families (involved in our project) vis-à-vis television content. A syntactic-semantic analyzer has provided a measure of gradual interest thereon to the content, for each family. We have also developed an interactive mapping interface based on the idea of "Island of memory" for the interactive interface is in line with Recommendation System in place. Our recommendation system based on content and assisted learning (reinforcement learning), has provided us with the most optimal results to the scientific community in the field
El, Falou Mohamad. "Contributions à la composition dynamique de services fondée sur des techniques de planification et diagnostic multi-agents". Caen, 2010. http://www.theses.fr/2010CAEN2015.
Pełny tekst źródłaThis thesis addresses the problem of service composition. We focus on the use of planning techniques and we introduce two different approaches that overcome some limitations of the existing approaches. The first approach has two centralized algorithms based respectively on Tree-seach and Graphplan. These algorithms do not scale up well due to their exponential complexity. In the second approach, we overcome this limitation by proposing a multi-agents planning architecture where each web service defined by a set of services and is considered as an agent. The agents are coordinated by merging their best partial plan that answer partially to a request. This coordination procedure is repeated iteratively until reaching the goal using a local heuristic function. This approach is then extended by a global heuristics to ensure its completeness if the sub-problems assigned to the agents are dependent. This global heuristic of evaluating the best local plan avoids the wells by considering the intermediate local plans offered by other agents. The study of the complexity of decentralized approaches shows that they are polynomial, and experimental results show that they are able to scale up well for complex problems. Finally, a self-healing services composition agent-based architecture is developed. This architecture is a real integration between the processes of composition, active dignosis, and repair into one planning process
Fahlaoui, Ouafae. "Système expert de génération automatique de Grafcet à partir d'une spécification lexicale libre du cahier des charges". Paris 11, 1987. http://www.theses.fr/1987PA112204.
Pełny tekst źródłaRifi, Omar. "Mise-à-jour des bases de croyances logiques et changement minimal". Toulouse 3, 2000. http://www.theses.fr/2000TOU30082.
Pełny tekst źródłaWang, Dong Hue. "Systèmes multi-agents adaptatifs avec contraintes temps-réel : De la spécification formelle à la vérification et à la génération de code". Evry-Val d'Essonne, 2005. http://www.theses.fr/2005EVRY0011.
Pełny tekst źródłaThe design of reactive systems must comply with logical correctness (the system does what it supposed to do) and timeliness (the system has to satisfy a set of temporal constraints) criteria. In this paper, we propose a global approach for the design of adaptative reactive systems, i. E. Systems that dynamically adapt their architecture depending on the context. We use the timed automata formalism for the design of the agents' behaviour. This allows evaluating beforehand the properties of the system (regarding logical correctiness and timeliness), thanks to model-checking and simulation techniques. This model is enhanced to tools that we developed for the automatic generation of code, allowing to produce very quickly a running multi-agent prototype satisfying the properties of model
Joutel, Guillaume. "Analyse multirésolution des images de documents manuscrits : application à l'analyse de l'écriture". Lyon, INSA, 2009. http://theses.insa-lyon.fr/publication/2009ISAL0045/these.pdf.
Pełny tekst źródłaImages of strokes, especially handwriting documents images, are often composed of heterogeneous contents and require specific methods of analysis to be exploited. In this thesis, we propose the development of a characterization of handwritings based on a non-adaptive geometrical wavelet transform which is the Curvelets transform. We validate this characterization in different application frameworks of document images analysis. The Curvelets were chosen for their property of good localization of anisotropic objects and their directional multi-scale analysis. We can extract from those two essential primitives which are orientation and curvature at varying levels of scales. These primitives are gathered in a matrix of occurrences to form the signature of a handwriting. The latter is used as a features' vector in an content based image retrieval application. We also propose an evaluation of local similarity between the smaller forms, whatever they are, where the only primitive used is orientation. Finally, as part of a specialization of our method to the corpus of images provided by the ANR project Graphem, we propose the definition of a similarity index, generated from trade between partners in this project, which attempts to use common properties of handwritings while trying to address their differences and their characteristics. This consideration, weighted by the user, allows an advanced exploitation of medieval handwritings
Dugerdil, Philippe. "Contribution à l'étude de la représentation des connaissances fondées sur les objets : le langage OBJLOG". Aix-Marseille 2, 1988. http://www.theses.fr/1988AIX22057.
Pełny tekst źródłaRomdhane, Lofti Ben. "Computational networks & competition-based models : solving complex causal interactions". Sherbrooke : Université de Sherbrooke, 2000.
Znajdź pełny tekst źródłaPanaïotis, Thelma. "Distribution du plancton à diverses échelles : apport de l'intelligence artificielle pour l'écologie planctonique". Electronic Thesis or Diss., Sorbonne université, 2023. http://www.theses.fr/2023SORUS155.
Pełny tekst źródłaAs the basis of oceanic food webs and a key component of the biological carbon pump, planktonic organisms play major roles in the oceans. However, their small-scale distribution − governed by biotic interactions between organisms and interactions with the physico-chemical properties of the water masses in their immediate environment − are poorly described in situ due to the lack of suitable observation tools. New instruments performing high resolution imaging in situ in combination with machine learning algorithms to process the large amount of collected data now allows us to address these scales. The first part of this work focuses on the methodological development of two automated pipelines based on artificial intelligence. These pipelines allowed to efficiently detect planktonic organisms within raw images, and classify them into taxonomical or morphological categories. Then, in a second part, numerical ecology tools have been applied to study plankton distribution at different scales, using three different in situ imaging datasets. First, we investigated the link between plankton community and environmental conditions at the global scale. Then, we resolved plankton and particle distribution across a mesoscale front, and highlighted contrasted periods during the spring bloom. Finally, leveraging high frequency in situ imaging data, we investigated the fine-scale distribution and preferential position of Rhizaria, a group of understudied, fragile protists, some of which are mixotrophic. Overall, these studies demonstrate the effectiveness of in situ imaging combined with artificial intelligence to understand biophysical interactions in plankton and distribution patterns at small-scale
Daix, Boris. "Abstraction des systèmes informatiques à haute performance pour l'automatisation du déploiement d'applications dynamiques". Rennes 1, 2009. http://www.theses.fr/2009REN1S156.
Pełny tekst źródłaComputing is an important lever in human development, however using high performance systems remains complex. Indeed, allocating some resources for an application, installing it on the allocated resources, and executing it is a difficult process. Automating this process, called deployment, allows to better separate the concerns of the system users, of the application developers, and of the infrastructure administrators while aiming at better performances for the applications. Based on a multi-level abstraction model, the contribution of this thesis is an automatic deployment architecture able to honor the compatibility and feasibility constraints, inhere in the deployment, for resources and applications parallel and distributed, heterogeneous, and dynamic such as computing clusters or grids and parametric, parallel, or workflow applications
Siboni, Didier. "La gestion de service sur les réseaux hétérogènes interconnectes : utilisation des techniques d'intelligence artificielle et architectures hybrides". Versailles-St Quentin en Yvelines, 1997. http://www.theses.fr/1997VERS0005.
Pełny tekst źródłaPotiron, Katia. "Systèmes multi-agents et tolérance aux fautes : conséquences de l'autonomie des agents". Paris 6, 2010. http://www.theses.fr/2010PA066656.
Pełny tekst źródłaFabien, Aratbi-Perrot. "Diagnostic et suivi d'état embarqués -- Une étude algorithmique". Phd thesis, Université Paul Sabatier - Toulouse III, 2011. http://tel.archives-ouvertes.fr/tel-00864629.
Pełny tekst źródłaAdnan, Hashmi Muhammad. "Un langage de programmation agent intégrant la planification temporelle et les mécanismes de coordination de plans". Paris 6, 2012. http://www.theses.fr/2012PA066312.
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