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Stone, Christopher John. "Aspects of science in the works of Donne and Milton". Thesis, University of Leeds, 2013. http://etheses.whiterose.ac.uk/5883/.
Pełny tekst źródłaDi, Ruscio Andrea. "Utilisation des données de radio science pour la construction d’éphémérides planétaires". Thesis, Université Côte d'Azur, 2021. http://www.theses.fr/2021COAZ4031.
Pełny tekst źródłaThe central theme of the thesis concerns the exploitation of radio tracking measurements for the development of planetary ephemerides, in particular, applied on two research topics: 1) the analysis of navigation data of Cassini mission to enhance the ephemeris of Saturn and increase our knowledge of the outer solar system; 2) the simulation of BepiColombo measurements collected during the orbital phase at Mercury, for assessing their contribution on the Intégrateur Numérique Planétaire de l’Observatoire de Paris (INPOP) planetary ephemerides.The first research aims at reprocessing Cassini radio tracking data by exploiting the current knowledge of the Saturnian system developed throughout the mission, i.e. the availability of accurate satellite ephemerides and precise gravity solutions for Saturn, Titan and the other major moons. This allows the production of more precise normal points, which are able to constrain the orbit of the planet at meters-level for 13 years (almost half of its revolution) and to provide invaluable insights on the mass of the Kuiper belt. The results show a reduction of a factor 5 on normal points uncertainties with respect to previous analyses, providing tighter constraints on the acceptance regions of planet 9.The second research topic focuses on the production of realistic normal points derived from the end-to-end simulation of BepiColombo Mercury Orbiter Radio-science Experiment (MORE). The uncertainties of the normal points are deduced from the mapped covariance of the spacecraft state. The derived measurements are then processed with the INPOP weighted-least squares filter to quantify the achievable constraints on ephemerides and relativistic parameters
Canselier, Guillaume. "Les données acquises de la science : les connaissances scientifiques et la faute médicale en droit privé". Paris 1, 2006. https://www.bnds.fr/collection/theses-numeriques-de-la-bnds/les-donnees-acquises-de-la-science-9782848741338.html.
Pełny tekst źródłaTiano, Donato. "Learning models on healthcare data with quality indicators". Electronic Thesis or Diss., Lyon 1, 2022. http://www.theses.fr/2022LYO10182.
Pełny tekst źródłaTime series are collections of data obtained through measurements over time. The purpose of this data is to provide food for thought for event extraction and to represent them in an understandable pattern for later use. The whole process of discovering and extracting patterns from the dataset is carried out with several extraction techniques, including machine learning, statistics, and clustering. This domain is then divided by the number of sources adopted to monitor a phenomenon. Univariate time series when the data source is single and multivariate time series when the data source is multiple. The time series is not a simple structure. Each observation in the series has a strong relationship with the other observations. This interrelationship is the main characteristic of time series, and any time series extraction operation has to deal with it. The solution adopted to manage the interrelationship is related to the extraction operations. The main problem with these techniques is that they do not adopt any pre-processing operation on the time series. Raw time series have many undesirable effects, such as noisy points or the huge memory space required for long series. We propose new data mining techniques based on the adoption of the most representative features of time series to obtain new models from the data. The adoption of features has a profound impact on the scalability of systems. Indeed, the extraction of a feature from the time series allows for the reduction of an entire series to a single value. Therefore, it allows for improving the management of time series, reducing the complexity of solutions in terms of time and space. FeatTS proposes a clustering method for univariate time series that extracts the most representative features of the series. FeatTS aims to adopt the features by converting them into graph networks to extract interrelationships between signals. A co-occurrence matrix merges all detected communities. The intuition is that if two time series are similar, they often belong to the same community, and the co-occurrence matrix reveals this. In Time2Feat, we create a new multivariate time series clustering. Time2Feat offers two different extractions to improve the quality of the features. The first type of extraction is called Intra-Signal Features Extraction and allows to obtain of features from each signal of the multivariate time series. Inter-Signal Features Extraction is used to obtain features by considering pairs of signals belonging to the same multivariate time series. Both methods provide interpretable features, which makes further analysis possible. The whole time series clustering process is lighter, which reduces the time needed to obtain the final cluster. Both solutions represent the state of the art in their field. In AnomalyFeat, we propose an algorithm to reveal anomalies from univariate time series. The characteristic of this algorithm is the ability to work among online time series, i.e. each value of the series is obtained in streaming. In the continuity of previous solutions, we adopt the functionality of revealing anomalies in the series. With AnomalyFeat, we unify the two most popular algorithms for anomaly detection: clustering and recurrent neural network. We seek to discover the density area of the new point obtained with clustering
Henry, Didier. "Modèles de propagation de l'information et méthodes de sciences des données". Thesis, Antilles, 2018. http://www.theses.fr/2018ANTI0323/document.
Pełny tekst źródłaNowadays, online social media has transformed the way we create, share and access information. These platforms rely on gigantic networks that promote the free exchange of information between hundreds of millions of people around the world, and this instantly.Whether related to a global event or in connection with a local event, these messages may influence a society and may contain information useful for the detection or prediction of real-world phenomena.However, some broadcast messages can have a very negative impact in real life. These messages containing false information can have disastrous consequences.To avoid and anticipate these dramatic situations, follow rumors, avoid bad reputations, it is necessary to study and then model the propagation of information.However, most of the diffusion models introduced are based on axiomatic hypotheses represented by mathematical models. As a result, these models are far removed from the users' dissemination behaviors in that they do not incorporate observations made on concrete dissemination cases. In our work, we study the phenomenon of diffusion of information at two scales. On a microscopic scale, we observed diffusion behaviors based on the personality traits of users by analyzing the messages they post in terms of feelings and emotions. On a macroscopic scale, we analyzed the evolution of the diffusion phenomenon by taking into account the geographical dimension of the users
Watrin, Lucie. "Les données scientifiques saisies par le droit". Thesis, Aix-Marseille, 2016. http://www.theses.fr/2016AIXM1072.
Pełny tekst źródłaScientific data is produced by experiment, and consists in a raw description of reality, upon which basis scientific theories are developped or confirmed. Upon assesment, interactions between this basic element of knowledge and the legal order can be observed in three stages. First, at the stage of data production. Although the control of this phase falls largely under the control of the scientific community, some legal rules are added to this control, in order to influence on the direction or on the conduct of the research. Second, at the stage of the use of scientific data, because once discovered, data is sometimes directly apprehended by the judge, the legislator or by some professionals, and is then used to unveil reality. In this regard, even when uncertain, scientific data does not lose its utility, because in spite of failling to display reality, it offers the possibility to approach it and therefore to build decisions on a scientifically based likelihood. Finally, the law intervenes at the stage of data protection, in order to arbitrate conflicting interests between those who produce scientific data, and society. The terms of the arbitration between the private reservation data and their collective value was deeply renewed in recent years, under the influence of the combined development of Big data and Open data
Ponchateau, Cyrille. "Conception et exploitation d'une base de modèles : application aux data sciences". Thesis, Chasseneuil-du-Poitou, Ecole nationale supérieure de mécanique et d'aérotechnique, 2018. http://www.theses.fr/2018ESMA0005/document.
Pełny tekst źródłaIt is common practice in experimental science to use time series to represent experimental results, that usually come as a list of values in chronological order (indexed by time) and generally obtained via sensors connected to the studied physical system. Those series are analyzed to obtain a mathematical model that allow to describe the data and thus to understand and explain the behavio rof the studied system. Nowadays, storage and analyses technologies for time series are numerous and mature, but the storage and management technologies for mathematical models and their linking to experimental numerical data are both scarce and recent. Still, mathematical models have an essential role to play in the interpretation and validation of experimental results. Consequently, an adapted storage system would ease the management and re-usability of mathematical models. This work aims at developing a models database to manage mathematical models and provide a “query by data” system, to help retrieve/identify a model from an experimental time series. In this work, I will describe the conception (from the modeling of the system, to its software architecture) of the models database and its extensions to allow the “query by data”. Then, I will describe the prototype of models database,that I implemented and the results obtained by tests performed on the latter
Saliba, Elie Mario. "Understanding and managing Zoological Nomenclature in the era of Big Data and Open Science". Electronic Thesis or Diss., Sorbonne université, 2023. http://www.theses.fr/2023SORUS460.
Pełny tekst źródłaNomenclature is the discipline of taxonomy responsible for creating and managing the scientific names assigned to categories of living beings. It ensures continuity in the transmission of all kinds of accumulated data and knowledge about taxa. To this end, zoologists refer to the International Code of Zoological Nomenclature. The Code contains the rules for understanding and correctly applying this discipline.Nomenclature has become increasingly complex over the centuries, to keep pace with the evolution of scientific and technological knowledge. It currently plays, through scientific names, a crucial role in biodiversity databases. However, databases have their limitations in terms of structure when it comes to nomenclatural endeavors. The role of nomenclature in databases is explored in the thesis.While nomenclatural data is largely present in online databases, the discipline itself has remained relatively impervious to computerization. An in-depth analysis of the Code enabled the creation of a list of formal objects and their properties, which are needed to model the rules of this discipline. Moreover, the structure of the Code's rules is intended to be logical and unambiguous, which makes it ideal for translating into a series of algorithms. This hypothesis led to the creation of a web application called Lognom. Lognom is an algorithm-based software that supports decision-making in zoological nomenclature. The application does not rely on pre-existing databases, but provides an answer based on data entered by the user. The software aims to support taxonomists in their day-to-day nomenclature management, by determining whether a name or work is available and whether spelling rules have been correctly applied. It can also verify whether all requirements preceding the publication of a new name or work have been met. Additionally, Lognom allows the user to establish which name is the valid name among several candidates, and the list of synonyms that results from this decision. It also includes several tools for answering various nomenclatural questions, such as the determination of the grammatical gender of a genus name. However, it has not been possible to integrate all the rules of the International Code of Zoological Nomenclature into the application. Some rules are based on semantic interpretation, which is very complex to automate. Moreover, Lognom is highly sensitive to the quality of the data supplied by its users, even if it does provide a few controls. A proposed classification of the Code’s rules is included, to better identify the strengths and weaknesses of the Code in terms of its possible complete computerization. Recommendations for the optimization of its logical and unambiguous character are also mentioned. Similarly, various issues relating to nomenclature and its computer applications are explored, as well as a brief analysis of the social difficulties that might impede the improvement of these rules. There are still many possible future applications for the algorithms developed for Lognom. These include the possibility of working collaboratively on projects concerning the nomenclature of q given taxonomic group. This could lead to the creation of dynamic lists of names: Furthermore, the algorithms should be able to simulate the impact of changes in the rules of the Code on existing names and works. In the long term, a tool such as Lognom could enable the possibility of modeling nomenclature in its entirety, opening the door to more efficient and coordinated management of this centuries-old discipline
Gomes, Da Silva Alzennyr. "Analyse des données évolutives : application aux données d'usage du Web". Phd thesis, Université Paris Dauphine - Paris IX, 2009. http://tel.archives-ouvertes.fr/tel-00445501.
Pełny tekst źródłaBARRA, Vincent. "Modélisation, classification et fusion de données biomédicales". Habilitation à diriger des recherches, Université Blaise Pascal - Clermont-Ferrand II, 2004. http://tel.archives-ouvertes.fr/tel-00005998.
Pełny tekst źródłaGaignard, Alban. "Distributed knowledge sharing and production through collaborative e-Science platforms". Phd thesis, Université Nice Sophia Antipolis, 2013. http://tel.archives-ouvertes.fr/tel-00838796.
Pełny tekst źródłaHouas, Heykel. "Allocation de ressources pour la transmission de données multimedia scalables". Phd thesis, Université de Cergy Pontoise, 2009. http://tel.archives-ouvertes.fr/tel-00767889.
Pełny tekst źródłaCuré, Olivier. "Relations entre bases de données et ontologies dans le cadre du web des données". Habilitation à diriger des recherches, Université Paris-Est, 2010. http://tel.archives-ouvertes.fr/tel-00843284.
Pełny tekst źródłaDe, Vlieger P. "Création d'un environnement de gestion de base de données " en grille ". Application à l'échange de données médicales". Phd thesis, Université d'Auvergne - Clermont-Ferrand I, 2011. http://tel.archives-ouvertes.fr/tel-00654660.
Pełny tekst źródłaMénélas, Bob. "Rendus sensorimoteurs en environnements virtuels pour l'analyse de données scientifiques complexes". Phd thesis, Université Paris Sud - Paris XI, 2010. http://tel.archives-ouvertes.fr/tel-00600399.
Pełny tekst źródłaWipliez, Matthieu. "Infrastructure de compilation pour des programmes flux de données". Phd thesis, INSA de Rennes, 2010. http://tel.archives-ouvertes.fr/tel-00598914.
Pełny tekst źródłaGalbaud, du Fort Guillaume. "Epidémiologie et santé mentale du couple : etude comparée de données populationnelles et de données cliniques". Thesis, McGill University, 1991. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=59993.
Pełny tekst źródłaThe primary results from the study of 845 couples in the general population suggest that there exists a significant spouse-similarity across the various mental health dimensions examined (psychological distress, general well-being, and role satisfaction).
The main results from the study of 17 couples in marital therapy suggest that significant sex differences exist in dyadic adjustment. Sex differences were also noted in the correlations between dyadic adjustment and depressive symptoms.
In conclusion, it appears that epidemiological research on the mental health of couples should have as its objective a simultaneous consideration of both the individual and the couple, as well as a simultaneous consideration of clinical and general populations, in order to create a double complementarity out of this apparent double dichotomy.
Marteau, Hubert. "Une méthode d'analyse de données textuelles pour les sciences sociales basée sur l'évolution des textes". Tours, 2005. http://www.theses.fr/2005TOUR4028.
Pełny tekst źródłaThis PhD Thesis aims at bringing to sociologists a data-processing tool wich allows them to analyse of semi-directing open talks. The proposed tool performs in two steps : an indexation of the talks followed by a classification. Usually, indexing methods rely on a general stastistical analysis. Such methods are suited for texts having contents and structure ( literary texts, scientific texts,. . . ). These texts have more vocabulary and structure than talks (limitation to 1000 words for suche texts). On the basis of the assumption that the sociological membership strongly induces the form of the speech, we propose various methods to evaluate the structure and the evolution of the texts. The methods attempt to find new representations of texts (image, signal) and to extract values from these new representations. Selected classification is a classification by trees (NJ). It has a low complexity and it respects distances, then this method is a good solution to provide a help to classification
Girres, Jean-François, i Jean-François Girres. "Modèle d'estimation de l'imprécision des mesures géométriques de données géographiques". Phd thesis, Université Paris-Est, 2012. http://tel.archives-ouvertes.fr/tel-00809273.
Pełny tekst źródłaMadera, Cedrine. "L’évolution des systèmes et architectures d’information sous l’influence des données massives : les lacs de données". Thesis, Montpellier, 2018. http://www.theses.fr/2018MONTS071/document.
Pełny tekst źródłaData is on the heart of the digital transformation.The consequence is anacceleration of the information system evolution , which must adapt. The Big data phenomenonplays the role of catalyst of this evolution.Under its influence appears a new component of the information system: the data lake.Far from replacing the decision support systems that make up the information system, data lakes comecomplete information systems’s architecture.First, we focus on the factors that influence the evolution of information systemssuch as new software and middleware, new infrastructure technologies, but also the decision support system usage itself.Under the big data influence we study the impact that this entails especially with the appearance ofnew technologies such as Apache Hadoop as well as the current limits of the decision support system .The limits encountered by the current decision support system force a change to the information system which mustadapt and that gives birth to a new component: the data lake.In a second time we study in detail this new component, formalize our definition, giveour point of view on its positioning in the information system as well as with regard to the decision support system .In addition, we highlight a factor influencing the architecture of data lakes: data gravity, doing an analogy with the law of gravity and focusing on the factors that mayinfluence the data-processing relationship. We highlight, through a use case, that takingaccount of the data gravity can influence the design of a data lake.We complete this work by adapting the software product line approach to boot a methodof formalizations and modeling of data lakes. This method allows us:- to establish a minimum list of components to be put in place to operate a data lake without transforming it into a data swamp,- to evaluate the maturity of an existing data lake,- to quickly diagnose the missing components of an existing data lake that would have become a dataswamp- to conceptualize the creation of data lakes by being "software agnostic “
Fardeheb, Malik. "Le poste prescripteur : un système d'information thérapeutique pour une prescription conforme aux données actuelles de la science (DAS)". Lyon 1, 1999. http://www.theses.fr/1999LYO1T285.
Pełny tekst źródłaSamba, Alassane. "Science des données au service des réseaux d'opérateur : proposition de cas d’utilisation, d’outils et de moyens de déploiement". Thesis, Ecole nationale supérieure Mines-Télécom Atlantique Bretagne Pays de la Loire, 2018. http://www.theses.fr/2018IMTA0111/document.
Pełny tekst źródłaThe evolution of telecommunications has led today to a proliferation of connected devices and a massification of multimedia services. Faced with this increased demand for service, operators need to adapt the operation of their networks, in order to continue to guarantee a certain level of quality of experience to their users. To do this, operator networks tend towards a more cognitive or autonomic functioning. It is about giving the networks the means to exploit all the information or data at their disposal, helping them to make the best decisions about their services and operations,and even self-manage. It is therefore a questionof introducing artificial intelligence into networks. This requires setting up means to exploit the data, to carry out on them the automatic learning of generalizable models, providing information that can optimize decisions. All these means today constitute a scientific discipline called data science. This thesis fits into a global desire to show the interest of the introduction of data science in different network operating processes. It inlcudes two algorithmic contributions corresponding to use cases of data science for the operator networks, and two software contributions, aiming to facilitate,on the one hand, the analysis, and on the other hand the deployment of the algorithms produced through data science. The conclusive results of these various studies have demonstrated the interest and the feasibility of using data science for the exploitation of operator networks. These results have also been used by related projects
Gross-Amblard, David. "Tatouage des bases de données". Habilitation à diriger des recherches, Université de Bourgogne, 2010. http://tel.archives-ouvertes.fr/tel-00590970.
Pełny tekst źródłaBanciu, Andrei. "Une Approche Stochastique Pour l'Evaluation De La Dynamique Des Données". Phd thesis, Université Rennes 1, 2012. http://tel.archives-ouvertes.fr/tel-00768862.
Pełny tekst źródłaCagnazzo, Marco. "CODAGE DES DONNÉES VISUELLES : EFFICACITÉ, ROBUSTESSE, TRANSMISSION". Habilitation à diriger des recherches, Université Pierre et Marie Curie - Paris VI, 2013. http://tel.archives-ouvertes.fr/tel-00859677.
Pełny tekst źródłaMolli, Pascal. "Cohérence des données dans les environnements d'édition collaborative". Habilitation à diriger des recherches, Université Henri Poincaré - Nancy I, 2007. http://tel.archives-ouvertes.fr/tel-00601380.
Pełny tekst źródłaWackernagel, Hans. "Géostatistique et assimilation séquentielle de données". Habilitation à diriger des recherches, Université Pierre et Marie Curie - Paris VI, 2004. http://tel.archives-ouvertes.fr/tel-00542362.
Pełny tekst źródłaKopylova, Evguenia. "Algorithmes bio-informatiques pour l'analyse de données de séquençage à haut débit". Phd thesis, Université des Sciences et Technologie de Lille - Lille I, 2013. http://tel.archives-ouvertes.fr/tel-00919185.
Pełny tekst źródłaPajon, Jean-Louis. "Outils de visualisation interactifs pour l'analyse de données scalaires structurées : applications aux sciences de la terre". Paris 11, 1992. http://www.theses.fr/1992PA112420.
Pełny tekst źródłaJagiella, Nick. "Parameterization des modeles tumoral bases sur des maillages des donnees experimentaux". Phd thesis, Université Pierre et Marie Curie - Paris VI, 2012. http://tel.archives-ouvertes.fr/tel-00779981.
Pełny tekst źródłaAllab, Kais. "Matrix factorization framework for simultaneous data (co-)clustering and embedding". Thesis, Sorbonne Paris Cité, 2016. http://www.theses.fr/2016USPCB083/document.
Pełny tekst źródłaAdvances in computer technology and recent advances in sensing and storage technology have created many high-volume, high-dimensional data sets. This increase in both the volume and the variety of data calls for advances in methodology to understand, process, summarize and extract information from such kind of data. From a more technical point of view, understanding the structure of large data sets arising from the data explosion is of fundamental importance in data mining and machine learning. Unlike supervised learning, unsupervised learning can provide generic tools for analyzing and summarizing these data sets when there is no welldefined notion of classes. In this thesis, we focus on three important techniques of unsupervised learning for data analysis, namely data dimensionality reduction, data clustering and data co-clustering. Our major contribution proposes a novel way to consider the clustering (resp. coclustering) and the reduction of the dimension simultaneously. The main idea presented is to consider an objective function that can be decomposed into two terms where one of them performs the dimensionality reduction while the other one returns the clustering (resp. co-clustering) of data in the projected space simultaneously. We have further introduced the regularized versions of our approaches with graph Laplacian embedding in order to better preserve the local geometry of the data. Experimental results on synthetic data as well as real data demonstrate that the proposed algorithms can provide good low-dimensional representations of the data while improving the clustering (resp. co-clustering) results. Motivated by the good results obtained by graph-regularized-based clustering (resp. co-clustering) methods, we developed a new algorithm based on the multi-manifold learning. We approximate the intrinsic manifold using a subset of candidate manifolds that can better reflect the local geometrical structure by making use of the graph Laplacian matrices. Finally, we have investigated the integration of some selected instance-level constraints in the graph Laplacians of both data samples and data features. By doing that, we show how the addition of priory knowledge can assist in data co-clustering and improves the quality of the obtained co-clusters
Cadot, Martine. "Extraire et valider les relations complexes en sciences humaines : statistiques, motifs et règles d'association". Phd thesis, Université de Franche-Comté, 2006. http://tel.archives-ouvertes.fr/tel-00594174.
Pełny tekst źródłaCagnazzo, Marco. "Transformée en ondelettes et compression de données tridimensionnelles". Phd thesis, Université de Nice Sophia-Antipolis, 2005. http://tel.archives-ouvertes.fr/tel-00506115.
Pełny tekst źródłaTemanni, Mohamed Ramzi. "Combinaison de sources de données pour l'amélioration de la prédiction en apprentissage : une application à la prédiction de la perte de poids chez l'obèse à partir de données transcriptomiques et cliniques". Phd thesis, Université Pierre et Marie Curie - Paris VI, 2009. http://tel.archives-ouvertes.fr/tel-00814513.
Pełny tekst źródłaBarrabe, Patrice. "Acquisition et transmission optique de données". Grenoble 1, 1990. http://www.theses.fr/1990GRE10121.
Pełny tekst źródłaMasseglia, Florent. "Extraction de connaissances : réunir volumes de données et motifs significatifs". Habilitation à diriger des recherches, Université de Nice Sophia-Antipolis, 2009. http://tel.archives-ouvertes.fr/tel-00788309.
Pełny tekst źródłaEl, Hafyani Hafsa. "Analyse de données spatio-temporelles dans le contexte de la collecte participative de données environnementales". Thesis, université Paris-Saclay, 2022. http://www.theses.fr/2022UPASG035.
Pełny tekst źródłaAir quality is one of the major risk factors in human health. Mobile Crowd Sensing (MCS), which is a new paradigm based on the emerging connected micro-sensor technology, offers the opportunity of the assessment of personal exposure to air pollution anywhere and anytime. This leads to the continuous generation of geolocated data series, which results in a big data volume. Such data is deemed to be a mine of information for various analysis, and a unique opportunity of knowledge discovery about pollution exposure. However, achieving this analysis is far from straightforward. In fact, there is a gap to fill between the raw sensor data series and usable information: raw data is highly uneven, noisy, and incomplete. The major challenge addressed by this thesis is to fill this gap by providing a holistic approach for data analytics and mining in the context of MCS. We establish an end-to-end analytics pipeline, which encompasses data preprocessing, their enrichment with contextual information, as well as data modeling and storage. We implemented this pipeline while ensuring its automatized deployment. The proposed approaches have been applied to real-world datasets collected within the Polluscope project
Senellart, Pierre. "XML probabiliste: Un modèle de données pour le Web". Habilitation à diriger des recherches, Université Pierre et Marie Curie - Paris VI, 2012. http://tel.archives-ouvertes.fr/tel-00758055.
Pełny tekst źródłaArenou, Frédéric. "Contribution à la validation statistique des données d'Hipparcos : catalogue d'entrée et données préliminaires". Phd thesis, Observatoire de Paris, 1993. http://tel.archives-ouvertes.fr/tel-00010577.
Pełny tekst źródłaSaadaoui, Belgacem. "Analyse et traitement automatique de donnees sociales (absenteisme salarial)". Paris 9, 1991. http://www.theses.fr/1991PA09A001.
Pełny tekst źródłaZahoor, Ehtesham. "Gouvernance de service : aspects sécurité et données". Phd thesis, Université Nancy II, 2011. http://tel.archives-ouvertes.fr/tel-00643552.
Pełny tekst źródłaTUNG, Tony. "Indexation 3D de bases de donnees d'objets par graphes de Reeb ameliores". Phd thesis, Télécom ParisTech, 2005. http://tel.archives-ouvertes.fr/tel-00009843.
Pełny tekst źródłaNous présentons dans ce mémoire une méthode d'indexation de modèles 3D appliquée aux recherches par similarité de forme et d'aspect dans des bases de données d'objets 3D. L'approche repose sur la méthode d'appariement de graphes de Reeb multirésolution proposée par [Hilaga et al, 01]. Dans le cadre de notre étude, nous travaillons avec des maillages de modèles 3D de géométrie plus ou moins complexes, à différents niveaux de résolution, et parfois texturés. L'approche originale, basée sur la topologie des objets 3D, s'est avérée insuffisante pour obtenir des appariements satisfaisants. C'est pourquoi nous proposons d'étendre les critères de cohérence topologique pour les appariements et de fusionner au graphe des informations géométriques et visuelles pour améliorer leur mise en correspondance et l'estimation de la similarité entre modèles. Ces attributs sont librement pondérables afin de s'adapter au mieux aux requêtes d'un utilisateur. Nous obtenons une représentation souple, multicritère et multirésolution que nous nommons graphe de Reeb multirésolution augmenté (aMRG). Nous comparons cette approche à un ensemble varié de méthodes d'indexation. Elle se révèle être très performante pour retrouver les objets de formes similaires et discerner les différentes classes de formes 3D.
Raïssi, Chedy. "Extraction de Séquences Fréquentes : Des Bases de Données Statiques aux Flots de Données". Phd thesis, Université Montpellier II - Sciences et Techniques du Languedoc, 2008. http://tel.archives-ouvertes.fr/tel-00351626.
Pełny tekst źródłaFejoz, Loïc. "Développement prouvé de structures de données sans verrou". Phd thesis, Université Henri Poincaré - Nancy I, 2008. http://tel.archives-ouvertes.fr/tel-00594978.
Pełny tekst źródłaWipliez, Matthieu. "Infrastructure de compilation pour des programmes flux de données". Phd thesis, Rennes, INSA, 2010. http://www.theses.fr/2010ISAR0033.
Pełny tekst źródłaThe work presented in this thesis takes place in a context of growing demand for better video quality (High-Definition TV, home cinema. . . ) and unprecedented concern for power consumption. The limitations and lack of flexibility of current video standards make it increasingly long and complicated to implement standards on embedded systems. A new standard called Reconfigurable Video Coding aims to solve these problems by describing video coding with dataflow programs. A dataflow program is a program represented as a directed graph where vertices are computational units and edges represent the flow of data between vertices. This thesis presents a compilation infrastructure for dataflow programs that can compile these programs to a simple, high-level Intermediate Representation (IR). We show how this IR can be used to analyze, transform, and generate code for dataflow programs in many languages, from C to hardware description languages
Pazat, Jean-Louis. "Génération de code réparti par distribution de données". Habilitation à diriger des recherches, Université Rennes 1, 1997. http://tel.archives-ouvertes.fr/tel-00170867.
Pełny tekst źródłaGelgon, Marc. "Structuration statistique de données multimédia pour la recherche d'information". Habilitation à diriger des recherches, Université de Nantes, 2007. http://tel.archives-ouvertes.fr/tel-00450297.
Pełny tekst źródłaVerdie, Yannick. "Modélisation de scènes urbaines à partir de données aeriennes". Phd thesis, Université Nice Sophia Antipolis, 2013. http://tel.archives-ouvertes.fr/tel-00881242.
Pełny tekst źródłaCollard, Martine. "Fouille de données, Contributions Méthodologiques et Applicatives". Habilitation à diriger des recherches, Université Nice Sophia Antipolis, 2003. http://tel.archives-ouvertes.fr/tel-01059407.
Pełny tekst źródłaGaugain, Claire. "Exploration bioinformatique des relations entre mécanismes moléculaires et fonctions cellulaires". Phd thesis, Université Victor Segalen - Bordeaux II, 2007. http://tel.archives-ouvertes.fr/tel-00417346.
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