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Evaluation De Performances Des Algorithmes Lies Aux Telecommunications
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Book Synopsis Evaluation de performances des algorithmes liés aux télécommunications by : Mathieu Le Coz
Download or read book Evaluation de performances des algorithmes liés aux télécommunications written by Mathieu Le Coz and published by . This book was released on 2004 with total page 187 pages. Available in PDF, EPUB and Kindle. Book excerpt: Une approche classique en évaluation de performances consiste à calculer des indices de performances sur un système donné. Une démarche possible consiste à modéliser le système, calculer sa distribution stationnaire (étape de résolution) et évaluer sur cette distribution les indices de performances souhaités. La résolution consiste à trouver la solution à un système d'équations linéaires de la dimension de l'espace d'états du modèle étudié. La difficultée vient alors de la dimension de ce système qui peut être très élevée (jusqu'à plusieurs dizaines de millions d'états). Le travail de cette thèse consiste à modifier le modèle de manière à ce que la résolution du nouveau modèle soit plus rapide que sur le modèle initial. La première partie de cette thèse consiste à transformer le modèle initial en utilisant des techniques de bornes stochastiques. Il est possible d'imposer, lors du calcul de cette borne, une structure particulière à ce nouveau modèle permettant ainsi une résolution plus rapide. Notamment, l'algorithme LIMSUB calcule une borne agrégée selon une partition des états fixée en utilisant la définition de l'agrégation forte. La seconde traite du formalisme des réseaux d'automates stochastiques (RAS) et montre comment il est possible, sous une contrainte de mémoire donnée, d'effectuer certaines opérations de regroupement d'automates avant l'étape de résolution. Il est également montré que le problème lié au choix des meilleurs regroupements possibles est un problème P-complet.Un algorithme calculant une borne d'un système modélisé par un réseau d'automates stochastiques est ensuite présenté
Author :North Atlantic Treaty Organization. Advisory Group for Aerospace Research and Development. Sensor and Propagation Panel. Symposium Publisher : ISBN 13 : Total Pages :488 pages Book Rating :4.E/5 ( download)
Book Synopsis Digital Communications Systems by : North Atlantic Treaty Organization. Advisory Group for Aerospace Research and Development. Sensor and Propagation Panel. Symposium
Download or read book Digital Communications Systems written by North Atlantic Treaty Organization. Advisory Group for Aerospace Research and Development. Sensor and Propagation Panel. Symposium and published by . This book was released on 1996 with total page 488 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis European Control Conference 1991 by :
Download or read book European Control Conference 1991 written by and published by European Control Association. This book was released on 1991-07-02 with total page 1012 pages. Available in PDF, EPUB and Kindle. Book excerpt: Proceedings of the European Control Conference 1991, July 2-5, 1991, Grenoble, France
Book Synopsis Technique Et Science Informatiques by :
Download or read book Technique Et Science Informatiques written by and published by . This book was released on 1991 with total page 506 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Work and Labor in the Digital Age by : Steven P. Vallas
Download or read book Work and Labor in the Digital Age written by Steven P. Vallas and published by Emerald Group Publishing. This book was released on 2019-07-04 with total page 243 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume presents the most recent studies of work and labor in the digital age as it unfolds in both Europe and the United States.
Book Synopsis Complex Dynamics in Communication Networks by : Ljupco Kocarev
Download or read book Complex Dynamics in Communication Networks written by Ljupco Kocarev and published by Springer Science & Business Media. This book was released on 2005-06-13 with total page 380 pages. Available in PDF, EPUB and Kindle. Book excerpt: Computer and communication networks are among society's most important infrastructures. The internet, in particular, is a giant global network of networks without central control or administration. It is a paradigm of a complex system, where complexity may arise from different sources: topological structure, network evolution, connection and node diversity, or dynamical evolution. The present volume is the first book entirely devoted to the new and emerging field of nonlinear dynamics of TCP/IP networks. It addresses both scientists and engineers working in the general field of communication networks.
Book Synopsis Comparative Labor Law by : Matthew W. Finkin
Download or read book Comparative Labor Law written by Matthew W. Finkin and published by Edward Elgar Publishing. This book was released on 2015-07-31 with total page 504 pages. Available in PDF, EPUB and Kindle. Book excerpt: Economic pressure, as well as transnational and domestic corporate policies, has placed labor law under severe stress. National responses are so deeply embedded in institutions reflecting local traditions that meaningful comparison is daunting. This bo
Book Synopsis Humans and Machines at Work by : Phoebe V. Moore
Download or read book Humans and Machines at Work written by Phoebe V. Moore and published by Springer. This book was released on 2017-10-06 with total page 270 pages. Available in PDF, EPUB and Kindle. Book excerpt: This edited collection provides a series of accounts of workers’ local experiences that reflect the ubiquity of work’s digitalisation. Precarious gig economy workers ride bikes and drive taxis in China and Britain; call centre workers in India experience invasive tracking; warehouse workers discover that hidden data has been used for layoffs; and academic researchers see their labour obscured by a ‘data foam’ that does not benefit them. These cases are couched in historical accounts of identity and selfhood experiments seen in the Hawthorne experiments and the lineage of automation. This book will appeal to scholars in the Sociology of Work and Digital Labour Studies and anyone interested in learning about monitoring and surveillance, automation, the gig economy and the quantified self in the workplace.
Book Synopsis Government Reports Announcements & Index by :
Download or read book Government Reports Announcements & Index written by and published by . This book was released on 1991 with total page 762 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Eudised R & D Bulletin by : Documentation Centre for Education in Europe
Download or read book Eudised R & D Bulletin written by Documentation Centre for Education in Europe and published by . This book was released on 1991 with total page 654 pages. Available in PDF, EPUB and Kindle. Book excerpt: Contains research project reports arranged by subject with descriptors from the EUDISED Multilingual Thesaurus.
Download or read book Neural Networks written by Gérard Dreyfus and published by Springer Science & Business Media. This book was released on 2005-11-25 with total page 509 pages. Available in PDF, EPUB and Kindle. Book excerpt: Neural networks represent a powerful data processing technique that has reached maturity and broad application. When clearly understood and appropriately used, they are a mandatory component in the toolbox of any engineer who wants make the best use of the available data, in order to build models, make predictions, mine data, recognize shapes or signals, etc. Ranging from theoretical foundations to real-life applications, this book is intended to provide engineers and researchers with clear methodologies for taking advantage of neural networks in industrial, financial or banking applications, many instances of which are presented in the book. For the benefit of readers wishing to gain deeper knowledge of the topics, the book features appendices that provide theoretical details for greater insight, and algorithmic details for efficient programming and implementation. The chapters have been written by experts and edited to present a coherent and comprehensive, yet not redundant, practically oriented introduction.
Book Synopsis UNESCO’s Internet universality indicators by : Souter, David
Download or read book UNESCO’s Internet universality indicators written by Souter, David and published by UNESCO Publishing. This book was released on 2019-04-23 with total page 197 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Emerging Optical Network Technologies by : Krishna M. Sivalingam
Download or read book Emerging Optical Network Technologies written by Krishna M. Sivalingam and published by Springer. This book was released on 2006-01-16 with total page 449 pages. Available in PDF, EPUB and Kindle. Book excerpt: Optical networks have moved from laboratory settings and theoretical research to real-world deployment and service-oriented explorations. New technologies such as Ethernet PON, traffic grooming, regional and metropolitan network architectures and optical packet switching are being explored, and the landscape is continuously and rapidly evolving. Some of the important issues involving these new technologies involve the architectural, protocol, and performance related issues. This book addresses many of these issues and presents a birds eye view of some of the more promising technologies. Researchers and those pursuing advanced degrees in this field will be able to see where progress is being made and new technologies are emerging. Emerging Optical Network Technologies: Architectures, Protocols and Performance provides state-of-the-art material written by the most prominent professionals in their respective areas.
Book Synopsis Modelling the Wireless Propagation Channel by : Fernando P¿rez Font¿n
Download or read book Modelling the Wireless Propagation Channel written by Fernando P¿rez Font¿n and published by John Wiley & Sons. This book was released on 2008-09-15 with total page 268 pages. Available in PDF, EPUB and Kindle. Book excerpt: A practical tool for propagation channel modeling with MATLAB® simulations. Many books on wireless propagation channel provide a highly theoretical coverage, which for some interested readers, may be difficult to follow. This book takes a very practical approach by introducing the theory in each chapter first, and then carrying out simulations showing how exactly put the theory into practice. The resulting plots are analyzed and commented for clarity, and conclusions are drawn and explained from the obtained results. Key features include: A unique approach to propagation channel modeling with accompanying MATLAB® simulations to demonstrate the theory in practice Contains step by step commentary and analysis of the obtained simulation results in order to provide a comprehensive and structured learning tool Covers a wide range of topics including shadowing effects, coverage and interference, Multipath Narrowband channel, Multipath Wideband channel, propagation in micro and pico-cells, the land mobile satellite (LMS) channel, the directional Multipath channel and MIMO and propagation effects in fixed radio links (terrestrial and satellite) The book comes with an accompanying website that contains the MATLAB® simulations and allows readers to try them out themselves Well suited for lab-use, as reference and as a self-learning tool both for advanced students and professionals Modeling the Wireless Propagation Channel: A simulation approach with MATLAB® will be best suited for postgraduate (Masters and PhD) students and practicing engineers in telecommunications and electrical engineering fields, who are seeking to familiarise themselves with the topic without too many formulas. The book will also be of interest to network engineers, system engineers and researchers
Book Synopsis Advanced Conceptual Modeling Techniques by : Antoni Olivé
Download or read book Advanced Conceptual Modeling Techniques written by Antoni Olivé and published by Springer. This book was released on 2003-10-25 with total page 457 pages. Available in PDF, EPUB and Kindle. Book excerpt: The objective of the workshops held in conjunction with ER 2002, the 21st International Conference on Conceptual Modeling, was to give participants the opportunitytopresentanddiscussemerginghottopics,thusaddingnewpersp- tives to conceptual modeling. To meet this objective, we selected the following four workshops: – 2nd InternationalWorkshop on Evolution and Changein Data Management (ECDM 2002) – ER/IFIP8. 1 Workshop on Conceptual Modelling Approaches to Mobile - formation Systems Development (MobIMod 2002) – International Workshop on Conceptual Modeling Quality (IWCMQ 2002) – 3rd International Joint Workshop on Conceptual Modeling Approaches for E-business: a Web Service Perspective (eCOMO 2002) ER 2002 was organized so that there would be no overlap between the c- ference sessions and the workshops. This proceedings contains workshop papers that wererevisedby the authors following discussions during the conference. We are deeply indebted to the members of the organizing committees and program committees of these workshops for their hard work. July 2003 Antoni Oliv ́ e, Masatoshi Yoshikawa, and Eric S. K. Yu Workshop Co-chairs ER 2002 ECDM 2002 Change is a fundamental but sometimes neglected aspect of information and database systems. The management of evolution and change and the ability of database, information and knowledge-based systems to deal with change is an essential component in developing and maintaining truly useful systems. Many approachestohandlingevolutionandchangehavebeenproposedinvariousareas of data management, and this forum seeks to bring together researchers and practitioners from both more established areas and from emerging areas to look at this issue.
Author :Andrey Anatoljevich Grib Publisher :Springer Science & Business Media ISBN 13 :1461546877 Total Pages :223 pages Book Rating :4.4/5 (615 download)
Book Synopsis Nonlocality in Quantum Physics by : Andrey Anatoljevich Grib
Download or read book Nonlocality in Quantum Physics written by Andrey Anatoljevich Grib and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 223 pages. Available in PDF, EPUB and Kindle. Book excerpt: The nonlocality phenomena exhibited by entangled quantum systems are certainly one of the most extraordinary aspects of quantum theory. This book discusses this phe nomenon according to several points of view, i.e., according to different interpretations of the mathematics of the quantum formalism. The several interpretations of the Copenhagen interpretation, the many worlds, the de Broglie-Bohm, quantum logics, the decohering by the environment approach and the histories approach interpretations are scrutinized and criticized in detail. Recent results on cryptography, quantum bit commitment, quantum erasers and teleportation are also presented and discussed. In preparing the book we benefited from discussions with many people, but we would like, in particular, to express our gratitude to Professor B. d'Espagnat for his useful comments and suggestions. We are grateful also to Ms. L. Gentry EI-Dash for the English revision, to Dr. 1. E. Maiorino for the production of the figures and a careful reading of the manuscript, and for the statI of Plenum for advice and for having produced a nice book. Finally, the authors thank FAPESP (contract no. I 99612657-0) for a grant making this book possible. A. A. ORIB AND W. A. RODRIGUES, JR.
Author :Heiner Stuckenschmidt Publisher :Springer Science & Business Media ISBN 13 :9783540205944 Total Pages :300 pages Book Rating :4.2/5 (59 download)
Book Synopsis Information Sharing on the Semantic Web by : Heiner Stuckenschmidt
Download or read book Information Sharing on the Semantic Web written by Heiner Stuckenschmidt and published by Springer Science & Business Media. This book was released on 2005 with total page 300 pages. Available in PDF, EPUB and Kindle. Book excerpt: The large-scale and almost ubiquitous availability of information has become as much of a curse as it is a blessing. The more information is available, the harder it is to locate any particular piece of it. And even when it has been successfully found, it is even harder still to usefully combine it with other information we may already possess. This problem occurs at many different levels, ranging from the overcrowded disks of our own PCs to the mass of unstructured information on the World Wide Web.It is commonly understood that this problem of information sharing can only be solved by giving computers better access to the semantics of the information. While it has been recognized that ontologies play a crucial role in solving the open problems, most approaches rely on the existence of well-established data structures. To overcome these shortcomings, Stuckenschmidt and van Harmelen describe ontology-based approaches for resolving semantic heterogeneity in weakly structured environments, in particular the World Wide Web. Addressing problems like missing conceptual models, unclear system boundaries, and heterogeneous representations, they design a framework for ontology-based information sharing in weakly structured environments like the Semantic Web.For researchers and students in areas related to the Semantic Web, the authors provide not only a comprehensive overview of the State of the art, but also present in detail recent research in areas like ontology design for information integration, metadata generation and management, and representation and management of distributed ontologies. For professionals in areas such as e-commerce (e.g., the exchange of product knowledge) and knowledge management (e.g., in large and distributed organizations), the book provides decision support on the use of novel technologies, information about potential problems, and guidelines for the successful application of existing technologies.
