Academic literature on the topic 'Clusterisation'
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Journal articles on the topic "Clusterisation"
Wang, D., X. Y. Zhang, J. Wang, S. Q. Wei, W. S. Yan, and D. W. Boukhvalov. "Mn clusterisation in." Solid State Communications 149, no. 33-34 (September 2009): 1368–72. http://dx.doi.org/10.1016/j.ssc.2009.05.020.
Full textGorb, Stanislav N., and Alexander E. Filippov. "Fibrillar adhesion with no clusterisation: Functional significance of material gradient along adhesive setae of insects." Beilstein Journal of Nanotechnology 5 (June 12, 2014): 837–45. http://dx.doi.org/10.3762/bjnano.5.95.
Full textChabault, Denis. "Dynamiques territoriales et clusterisation de la gastronomie française." Gestion 2000 33, no. 2 (2016): 115. http://dx.doi.org/10.3917/g2000.332.0115.
Full textBourbousson, Céline, Julien Maisonnasse, and Nadine Richez-Battesti. "Instruments publics de clusterisation de l’ESS et pluralisme institutionnel." Revue d’Économie Régionale & Urbaine Février, no. 1 (February 2, 2022): 67–87. http://dx.doi.org/10.3917/reru.221.0067.
Full textTalbot, Damien. "Clusterisation et délocalisation. Les proximités construites par Thales Avionics." Revue française de gestion 39, no. 234 (July 28, 2013): 15–26. http://dx.doi.org/10.3166/rfg.234.15-26.
Full textPYATKOV, YU. "OBSERVATION OF THE COLLINEAR MULTI-BODY DECAYS IN THE REACTION 238U+4He (40 MEV)." International Journal of Modern Physics E 17, no. 10 (November 2008): 2226–30. http://dx.doi.org/10.1142/s0218301308011380.
Full textLeney, K. J. C. "A Neural-Network Clusterisation Algorithm for the ATLAS Silicon Pixel Detector." Journal of Physics: Conference Series 523 (June 6, 2014): 012023. http://dx.doi.org/10.1088/1742-6596/523/1/012023.
Full textMarotta, Enrica, Rosario Peluso, Rosario Avino, Gala Avvisati, Eliana Bellucci Sessa, Pasquale Belviso, Teresa Caputo, Antonio Carandente, Francesca Cirillo, and Romano Antonio Pescione. "Clusterisation and Temporal Trends of Heat Flux by UAS Thermal Camera." Remote Sensing 16, no. 6 (March 21, 2024): 1102. http://dx.doi.org/10.3390/rs16061102.
Full textJØRGENSEN, H. E., E. V. KOTOK, I. D. NOVIKOV, I. P. NASELSKY, P. D. NASELSKY, E. V. VASIL'EV, YU PARIJSKIJ, and P. TCIBULEV. "THE COSMOLOGICAL GENE PROJECT: CLUSTER ANALYSIS OF THE ATMOSPHERIC FLUCTUATIONS ON ARCMIN-SCALE IMAGING OF THE COSMIC MICROWAVE BACKGROUND." International Journal of Modern Physics D 09, no. 02 (April 2000): 127–42. http://dx.doi.org/10.1142/s0218271800000128.
Full textAssié, Marlène, Jean-Antoine Scarpaci, and D. Lacroix. "Study of pairing and clusterisation in light nuclei through nuclear break-up." EPJ Web of Conferences 66 (2014): 03002. http://dx.doi.org/10.1051/epjconf/20146603002.
Full textDissertations / Theses on the topic "Clusterisation"
Claeys, Emmanuelle. "Clusterisation incrémentale, multicritères de données hétérogènes pour la personnalisation d’expérience utilisateur." Thesis, Strasbourg, 2019. http://www.theses.fr/2019STRAD039.
Full textIn many activity sectors (health, online sales,...) designing from scratch an optimal solution for a defined problem (finding a protocol to increase the cure rate, designing a web page to promote the purchase of one or more products,...) is often very difficult or even impossible. In order to face this difficulty, designers (doctors, web designers, production engineers,...) often work incrementally by successive improvements of an existing solution. However, defining the most relevant changes remains a difficult problem. Therefore, a solution adopted more and more frequently is to compare constructively different alternatives (also called variations) in order to determine the best one by an A/B Test. The idea is to implement these alternatives and compare the results obtained, i.e. the respective rewards obtained by each variation. To identify the optimal variation in the shortest possible time, many test methods use an automated dynamic allocation strategy. Its allocate the tested subjects quickly and automatically to the most efficient variation, through a learning reinforcement algorithms (as one-armed bandit methods). These methods have shown their interest in practice but also limitations, including in particular a latency time (i.e. a delay between the arrival of a subject to be tested and its allocation) too long, a lack of explicitness of choices and the integration of an evolving context describing the subject's behaviour before being tested. The overall objective of this thesis is to propose a understable generic A/B test method allowing a dynamic real-time allocation which take into account the temporals static subjects’s characteristics
Jemili, Imen. "Clusterisation et conservation d’énergie dans les réseaux ad hoc hybrides à grande échelle." Thesis, Bordeaux 1, 2009. http://www.theses.fr/2009BOR13818/document.
Full textRelying on a virtual infrastructure seems a promising approach to overcome the scalability problem in large scale ad hoc networks. First, we propose a clustering mechanism, TBCA ‘Tiered based Clustering algorithm’, operating in a layered manner and exploiting the eventual collision to accelerate the clustering process. Our mechanism does not necessitate any type of neighbourhood knowledge, trying to alleviate the network from some control messages exchanged during the clustering and maintenance process. Since the energy consumption is still a critical issue, we combining a clustering technique and the power saving mode in order to conserve energy without affecting network performance. The main contribution of our power saving approach lies on the differentiation among packets based on the amount of network resources they have been so far consumed. Besides, the proposed structure of the beacon interval can be adjusted dynamically and locally by each node according to its own specific requirements. We propose also a routing algorithm, LCR ‘Layered Cluster based Routing’. The basic idea consists on assigning additional tasks to a limited set of dominating nodes, satisfying specific requirements while exploiting the benefits of our clustering algorithm TBCA
Jemili, Imen Castanet Richard Belghith Abdelfattah. "Clusterisation et conservation d'énergie dans les réseaux ad hoc hybrides à grande échelle." S. l. : S. n, 2009. http://ori-oai.u-bordeaux1.fr/pdf/2009/JEMILI_IMEN_2009.pdf.
Full textMaghmoumi, Chadi. "Mise en oeuvre des approches de clusterisation dans les réseaux de communication sans fil." Thesis, Mulhouse, 2010. http://www.theses.fr/2010MULH3083.
Full textThe proposed clustering approache divides the network into clusters based on affinity relationships between nodes and two types of keys which are generated by a clusterhead. The first one is shared by a clusterhead and its local members and the second one is shared by the clusterhead and its parent cluster. The proposed algorithm is adaptive according to the limitation of the mobile nodes battery power and to the dynamic network topology changes.The performance evaluation and communication overhead analysis of the proposed algorithm are presented using simulation
Kudireti, Abdurusul. "Clustering avec reconfigurations locales pour des systèmes distribués dynamiques." Thesis, Reims, 2011. http://www.theses.fr/2011REIMS030/document.
Full textWe propose in this work distributed clustering algorithms designed to address the problem of growing networks. After giving a specification for this problem, we provide a first distributed algorithm based on random walks to solve it. This algorithm uses only local information,and uses random walks to build connected sets of nodes called cores of clusters in parallel, to which we add adjacent nodes. The size of each core is between 2 and a parameter of the algorithm. The algorithm guarantees that if two clusters are adjacent, at least one of them has a core of maximum size. A second, mobility-adaptive, algorithm ensures, besides those properties, that the reconfiguration following a topological change is local. This property differentiates our solution from many solutions : it avoids chain destruction following a topology change. Finally, we present a self-stabilizing clustering algorithm that preserves the properties of previous algorithms and adds fault tolerance. With the parallel construction of clusters and the local nature of the reconstruction of clusters, these algorithms guarantee the scabability, which is confirmed by simulations
Guizani, Badreddine. "algorithmes de clustérisation et routage dans les réseaux Ad Hoc." Phd thesis, Université de Technologie de Belfort-Montbeliard, 2012. http://tel.archives-ouvertes.fr/tel-00703257.
Full textDupont, Etienne. "Population et structure des noyaux ²¹⁰Po et ²¹²Po produits par réactions de transfert." Thesis, Université Paris-Saclay (ComUE), 2019. http://www.theses.fr/2019SACLS429.
Full textSeveral light nuclei, as ¹⁸O, display a ”core+ α” structure. ²¹²Po is the only heavy one where this phenomenon has been highlighted. In this thesis, we combined the measurement of the excitation energy of levels populated via transfer reaction from a ¹² C nucleus on a ²⁰⁸Pb nucleus, and the measurement of the γ decaying of these levels. A first experiment has been performed in inverse kinematic, using the AGATA Germanium array and a thick silicon detector. A second experiment, in direct kinematic has been done at Tokai’s Tandem using a telescope of silicon detectors, 4 HPGe and 4 LaBr₃ crystals. We describe the principle of these detectors, the datareduction up to the kinematical reconstruction, and the simulations used to build the experimental set-up and to validate the data analysis. We have studied 1p, 2p, 2p 1n and α transfer reactions leading to ²⁰⁹Bi, ²¹⁰Po, ²¹¹Po and ²¹²Po at energies around the Coulomb barrier.From the comparison of these reactions channels, we firmly established that the 4 nucleons are transfered simultaneously to produce ²¹²Po. Evolution of the excitation energy with the beam energy has shown that the 212Po states including a strong ”core + α” component lie much preferentially at high excitation energy (E∗ ≥ 3 MeV).Seven new energy levels of ²¹² Po have been discovered, for which spin and parity attributions are proposed. We also measured the partial cross-sections to several levels to characterize their cluster components. We confirmed the large ”core + α” components of the 4⁻₃ and 7⁺₂ and 7+2 states, and the weak ”core + α” components of the 2⁺₁ and 2⁺₂ states.Five new levels of ²¹⁰Po have been discovered. Shell model calculations allowed us to frimly assign spins and parities
chapron, julie. "L'urbanisme organisationnel : méthode et aides à la décision pour piloter l'évolution du système d'information de l'entreprise." Phd thesis, Ecole Nationale Supérieure des Mines de Saint-Etienne, 2006. http://tel.archives-ouvertes.fr/tel-00796061.
Full textAoudia, Hania. "Approches de routage adaptatif pour l'optimisation de la consommation énergétique dans les applications type RCSF." Thesis, Paris 8, 2015. http://www.theses.fr/2015PA080077/document.
Full textManaging energy consumption is an unavoidable issue for a WSN design and implementation. Focusing lonely on a hardware solution to ensure an efficient of a running network while increasing its lifetime remains insufficient. It is therefore necessary to turn towards other software solutions that enable a better control of information processing from its source until its final destination by taking into account intrinsic characteristics of sensors, such as low storage and computing capabilities and associated energy constraints. A partial response to these needs requires the development of IT tools and protocolar strategies in low-power modes by implementing mechanisms based on information routing techniques. In this thesis, we propose and develop two hierarchized protocolar solutions HHRP and HRP-DCM. The first one implements an adaptive routing mechanism based on a nonlinear energy model and a concept of communication Son-Parent for a best paths selection by taking into account a set of critical parameters such as distance source-target, signal strength and energy consumption. However, the vicinity recognition phase requires the use of RSSI radio signals to estimate distances between sensor nodes. This can be considered as a major drawback since it may cause damage on routing performances and estimation error on RSSI measurements. These latters can be used for locating nodes only after a while since the stability of RSSI signal is guaranteed only belatedly Thus, the allocated time for recognition phase becomes significant, speeding up thereby energy consumption and thus reduces the lifetime of the network. In this context, we propose an alternative that bypasses the use of RSSI power signal in different levels of HHRP mechanism by implementing a hybrid routing approach based on a dynamic clustering mechanism HRP-DCM. This solution allows improvements in recognition and in paths optimization phases, both. It uses the concept of temporal distances calculation during network deployment. Thus, allocated time for network initialization is shortened mitigating in fact energy consumption and resources exploitation. Performance evaluation shows that HRP-DCM optimizes better network whatever its density compared to other solutions such as HHRP, TEEN and LEACH routing protocols
Danon, Marko. "Les facteurs de la compétitivité régionale." Thesis, Nice, 2015. http://www.theses.fr/2015NICE0025/document.
Full textThis thesis examins the phenomenon of the territorial competitiveness by using optics of the New Economic Geography (NEG). While we think that the regional competitiveness is the capacity of a local economy to attract mobile factors of production, this subject has an increasing importance within a globalized economy. The thesis is structured as follows. The first chapter represents an attempt to position the debate within the framework of NEG. After having chosen a theoretical perspective, in the second chapter we narrow the debate towards the creation of a new definition used as platform for the empirical part. Against this backdrop, the third chapter provides a novel index of regional competitiveness for European regions, a discussion on territorial, temporal and methodological choices, while presenting and interpreting the results in the light of NEG. The results of this chapter question especially the links between territorial competitiveness and national growth rate, and which is why we are discussing in a more detailed fashion the role of policies in managing these processes
Book chapters on the topic "Clusterisation"
Benedetti, Lorenzo, Simone Cinquemani, Marco Belloli, and Matteo Buonanno. "A Methodology for the Clusterisation of Communication Towers on the Basis of Their Structural Properties and Loads." In Lecture Notes in Civil Engineering, 172–80. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-64594-6_18.
Full textSanz Fernández, Ana, Miguel Núñez Peiró, José Antonio Iglesias Martínez, Agapito Ismael Ledezma Espino, Carmen Sánchez-Guevara Sánchez, and Marta Gayoso Heredia. "Identifying and Describing Energy-Poor Household Groups. A Comparison Between Two Different Methods: Conventional Statistical Characterisation and Artificial Intelligence-Driven Clusterisation." In Lecture Notes in Civil Engineering, 123–37. Singapore: Springer Nature Singapore, 2022. http://dx.doi.org/10.1007/978-981-19-1894-0_8.
Full textConference papers on the topic "Clusterisation"
Ziyadinov, V. V., and M. V. Tereshonok. "Analytical Survey on MANET and VANET Clusterisation Algorithms." In 2020 Systems of Signal Synchronization, Generating and Processing in Telecommunications (SYNCHROINFO). IEEE, 2020. http://dx.doi.org/10.1109/synchroinfo49631.2020.9166120.
Full textFirth, W. J., and B. A. Samson. "Clusterisation and contrast enhancement at light propagation in a cable of nonlinear coupled fibers." In Nonlinear Guided-Wave Phenomena. Washington, D.C.: Optica Publishing Group, 1993. http://dx.doi.org/10.1364/nlgwp.1993.md.2.
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