Letteratura scientifica selezionata sul tema "Génération de graphes dynamiques"
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Articoli di riviste sul tema "Génération de graphes dynamiques"
Jean-Paul Delahaye. "Dynamiques majoritaires dans les graphes". Bulletin 1024, n. 13 (aprile 2019): 153–58. http://dx.doi.org/10.48556/sif.1024.13.153.
Testo completoDíaz Villalba, Alejandro. "Comment outiller l’étude des autorités avec l’analyse de réseaux dans les grammaires françaises des XVIe et XVIIe siècles". SHS Web of Conferences 138 (2022): 03003. http://dx.doi.org/10.1051/shsconf/202213803003.
Testo completoShahrokni, Shirin. "Identification transnationale chez les jeunes adultes iraniens de ‘seconde génération’ vivant à Montréal". Articles 7, n. 1 (9 agosto 2007): 69–84. http://dx.doi.org/10.7202/016270ar.
Testo completoLefebvre, Solange, e Amina Triki-Yamani. "Jeunes adultes immigrants de deuxième génération. Dynamiques ethnoreligieuses et identitaires". Canadian Ethnic Studies 43, n. 3-1 (2011): 183–211. http://dx.doi.org/10.1353/ces.2011.0043.
Testo completoOtman, Gabriel. "Les bases de connaissances terminologiques : les banques de terminologie de seconde génération". Meta 42, n. 2 (30 settembre 2002): 244–56. http://dx.doi.org/10.7202/003772ar.
Testo completoAubin, Stéphane, André Joyal e Serge Rodrigue Nenkam. "Chronique du livre". Revue Organisations & territoires 21, n. 3 (1 maggio 2012): 97–100. http://dx.doi.org/10.1522/revueot.v21n3.255.
Testo completoPillow, John G., e Royce E. Ennis. "Une nouvelle génération d'élastomères chlorés pour applications dynamiques aux températures élevées". Matériaux & Techniques 78, n. 11 (1990): 17–24. http://dx.doi.org/10.1051/mattech/199078110017.
Testo completoMerdji, Hamed, e Willem Boutu. "Optique attoseconde et électronique pétahertz dans les semiconducteurs". Photoniques, n. 109 (luglio 2021): 52–56. http://dx.doi.org/10.1051/photon/202110952.
Testo completoDuport, Aymeri. "Une pépinière de vocations religieuses au sein d’une génération hésitante ?" Archives de sciences sociales des religions 207 (2024): 93–111. http://dx.doi.org/10.4000/12sik.
Testo completoNdongo Dimé, Mamadou. "Remise en cause, reconfiguration ou recomposition ?" Sociologie et sociétés 39, n. 2 (7 ottobre 2008): 151–71. http://dx.doi.org/10.7202/019088ar.
Testo completoTesi sul tema "Génération de graphes dynamiques"
Duvignau, Romaric. "Maintenance et simulation de graphes aléatoires dynamiques". Thesis, Bordeaux, 2015. http://www.theses.fr/2015BORD0177/document.
Testo completoWe study the problem of maintaining a given distribution of randomgraphs under an arbitrary sequence of vertex insertions and deletions. Keeping inmind our objective to model the evolution of dynamic logical networks, we work ina local model where we do not have direct access to the list of all vertices. Instead,we assume access to a global primitive that returns a random vertex, chosen uniformlyfrom the whole vertex set. The maintenance problem has been explored onseveral simple random graph models (Erdos–Rényi random graphs, pairing modelbased random graphs, uniform k-out graphs). For each model, one or several updatealgorithms for the maintenance task have been described and analyzed ; the mostelaborate of them are asymptically optimal. The maintenance task rise several simulationissues linked to our distributed context. In particular, we have focused onmaintenability of random graph distributions and simulability of families of probabilitydistributions over integers in our local random model. Special attention hasbeen paid to efficient simulation of particular distributions we were interested in(certain binomial distributions). The latter has been obtained through the use ofproperties of a new generation tree for permutations, which has been introducedalong the way
Bridonneau, Vincent. "Generation and Analysis of Dynamic Graphs". Electronic Thesis or Diss., Normandie, 2024. http://www.theses.fr/2024NORMLH23.
Testo completoIn this thesis, we investigate iterative processes producing a flow of graphs. These processes findapplications both in complex networks and time-varying graphs. Starting from an initial configurationcalled a seed, these processes produce a continuous flow of graphs. A key question arises when theseprocesses impose no constraints on the size of the generated graphs: under what conditions can we ensurethat the graphs do not become empty? And how can we account for the changes between successive stepsof the process? To address the first question, we introduced the concept of sustainability, which verifieswhether an iterative process is likely to produce graphs with periodic behaviors. We defined and studied agraph generator that highlights the many challenges encountered when exploring this notion. Regardingthe second question, we designed a metric to quantify the changes occurring between two consecutive stepsof the process. This metric was tested on various generators as well as on real-world data, demonstratingits ability to capture the dynamics of a network, whether artificial or real. The study of these two conceptshas opened the door to many new questions and strengthened the connections between complex networkanalysis and temporal graph theory
Six, Béranger. "Génération automatique de modèles pour la supervision des systèmes dynamiques hybrides : application aux systèmes ferroviaires". Thesis, Lille, 2018. http://www.theses.fr/2018LIL1I048.
Testo completoThis thesis work contributes to perform a automed model builder for Hybrid Dynamic Systems (HDS) with numerous modes. Technological components including sensors with an iconic format can be automatically export from a computer-aided design (CAD) scheme or manually drag from database and interconnected, so as to produce the overall HDS model, following industrial technological schemes. Once the model has been created, block diagram for simulation and diagnosis and a Fault Signature Matrix (FSM) could be generated.The theory and algorithm behind the software are based on Hybrid Bond Graphs (HBG). The switching behaviour engenders variables dynamics (particularly causal changes). To solve this problematic, news algorithm are performed. Compared with developed programs for automated modelling, the presented algorithm are valid for continuous, discrete and hybrid systems. The theory is illustrated by an industrial application which consists of the pneumo-electrical control of rolling stock
Rahal, Mohamed Ilyas. "Génération d'algorithmes de diagnostic robustes à base de modèles bond graph hybrides". Thesis, Lille 1, 2016. http://www.theses.fr/2016LIL10029/document.
Testo completoThe present PH.D thesis deals with integrated design of robust Fault Detection and Isolation system (FDI) based on Hybrid Bond Graph (HBG) in Linear Fractional Transformation (LFT) form. Based on consulted literature about hybrid systems, each operating mode is mainly modelled by specific model for which are generated determinist fault indicators. The innovative interest of developed research can be summarized as follows: (1) use only one HBG uncertain model based on controlled junctions and representing all operating modes, (2) structural and causal properties of the LFT HBG are exploited for systematic generation of Global Analytical Redundancy Relations (GARRs), and detection thresholds, robust to parameter uncertainties, and (3) finally use of only one tool: the Diagnosis Hybrid Bond Graph (DHBG) for not only modelling but also for online surveillance. The developed approach is illustrated by electrical circuit pedagogical example and application to hydraulic system
Gilbert, Frédéric. "Méthodes et modèles pour la visualisation de grandes masses de données multidimensionnelles nominatives dynamiques". Thesis, Bordeaux 1, 2012. http://www.theses.fr/2012BOR14498/document.
Testo completoSince ten years, informations visualization domain knows a real interest.Recently, with the growing of communications, the research on social networks analysis becomes strongly active. In this thesis, we present results on dynamic social networks analysis. That means that we take into account the temporal aspect of data. We were particularly interested in communities extraction within networks and their evolutions through time. [...]
Crespelle, Christophe. "Représentations dynamiques de graphes". Phd thesis, Université Montpellier II - Sciences et Techniques du Languedoc, 2007. http://tel.archives-ouvertes.fr/tel-00402838.
Testo completoLes connexions entre les trois types de représentation précités sont exploitées pour la conception d'algorithmes de reconnaissance entièrement dynamiques pour les cographes orientés, les graphes de permutation et les graphes d'intervalles. Pour les cographes orientés, l'algorithme présenté est de complexité optimale, il traite les modifications de sommet en temps O(d), où d est le degré du sommet en question, et les modifications d'arête en temps constant. Les algorithmes pour les graphes de permutation et les graphes d'intervalles ont la même complexité : les modifications d'arête et de sommet sont traitées en temps O(n), où n est le nombre de sommets du graphe. Une des contributions du mémoire est de mettre en lumière des similarités très fortes entre les opérations d'ajout d'un sommet dans un graphe de permutation et dans un graphe d'intervalles.
L'approche mise en oeuvre dans ce mémoire est assez générale pour laisser entrevoir les mêmes possibilités algorithmiques pour d'autres classes de graphes définies géométriquement.
Effantin, dit Toussaint Brice. "Colorations de graphes et génération exhaustive d'arbres". Dijon, 2003. http://www.theses.fr/2003DIJOS021.
Testo completoVernet, Mathilde. "Modèles et algorithmes pour les graphes dynamiques". Thesis, Normandie, 2020. http://www.theses.fr/2020NORMLH12.
Testo completoGraph problems have been widely studied in the case of static graphs. However, these graphs do not allow a time dimension to be considered, even though time is an important variable for the situations to model. Dynamic graphs make it possible to model evolution over time. This is a reason to wonder about graph problems in a dynamic context. First, it is necessary to define the most appropriate dynamic graphs model and the precise problem on those graphs. When the problem cannot be efficiently solved directly using known static graph methods, an algorithm specific to dynamic graphs must be designed and analyzed theoretically and practically.With that approach, this thesis' objective is to study graph problems' extensions to dynamic graphs. This works deals with several graph problems in a dynamic context by focusing on algorithmic aspects and without considering application domains
Durbec, Amélia. "Dynamiques causales de graphes réversibles et quantiques". Electronic Thesis or Diss., Aix-Marseille, 2022. http://www.theses.fr/2022AIXM0459.
Testo completoCausal graph dynamics are a twofold extension of cellular automata: the underlying grid is extended to an arbitrary graph of bounded degree and the graph itself can evolve in time.In the reversible regime, we prove that causal graph dynamics can be reversible while creating/destroying vertices, through three different models that we prove to be equivalent.Based on these results, we exhibit causal dynamics that are both reversible and increasing in space, which brings new insights into the compatibility between the time arrow and reversibility. We define a notion of graph subshifts, which can be used to study causal dynamics of graphs by unifying temporal and spatial dimensions, in the same way that 1D cellular automata can be studied with 2D subshifts of finite type.In the quantum regime, our first contribution is to provide a rigorous definition of state space. A notable question was whether vertex names are necessary; we prove they are indeed necessary in order to prevent faster-than-light signaling. We also point out that renaming on graphs is the natively discrete analog of coordinate changes
Maag, Maria Coralia Laura. "Apprentissage automatique de fonctions d'anonymisation pour les graphes et les graphes dynamiques". Thesis, Paris 6, 2015. http://www.theses.fr/2015PA066050/document.
Testo completoData privacy is a major problem that has to be considered before releasing datasets to the public or even to a partner company that would compute statistics or make a deep analysis of these data. Privacy is insured by performing data anonymization as required by legislation. In this context, many different anonymization techniques have been proposed in the literature. These techniques are difficult to use in a general context where attacks can be of different types, and where measures are not known to the anonymizer. Generic methods able to adapt to different situations become desirable. We are addressing the problem of privacy related to graph data which needs, for different reasons, to be publicly made available. This corresponds to the anonymized graph data publishing problem. We are placing from the perspective of an anonymizer not having access to the methods used to analyze the data. A generic methodology is proposed based on machine learning to obtain directly an anonymization function from a set of training data so as to optimize a tradeoff between privacy risk and utility loss. The method thus allows one to get a good anonymization procedure for any kind of attacks, and any characteristic in a given set. The methodology is instantiated for simple graphs and complex timestamped graphs. A tool has been developed implementing the method and has been experimented with success on real anonymized datasets coming from Twitter, Enron or Amazon. Results are compared with baseline and it is showed that the proposed method is generic and can automatically adapt itself to different anonymization contexts
Capitoli di libri sul tema "Génération de graphes dynamiques"
Mercier, Valentine. "Les dynamiques internes d’une nouvelle génération". In Mouvements féminins et Parti communiste au Brésil (1945-1961), 101–3. Éditions de l’IHEAL, 2020. http://dx.doi.org/10.4000/books.iheal.9052.
Testo completoSIMANI, Silvio. "Modélisation mathématique et caractérisation des défauts". In Diagnostic et commande à tolérance de fautes 1, 29–85. ISTE Group, 2024. http://dx.doi.org/10.51926/iste.9058.ch1.
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