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Coherence Et Robustesse Dans Un Systeme Multiagent Perturbe
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Book Synopsis Cohérence et robustesse dans un système multiagent perturbé by : Quang-Anh Nguyen Vu
Download or read book Cohérence et robustesse dans un système multiagent perturbé written by Quang-Anh Nguyen Vu and published by . This book was released on 2012 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: L'objectif de cette thèse est de proposer une approche générale améliorant le maintien de la cohérence et de la robustesse dans un système multi-agents (SMA) qui recueille collectivement des informations provenant des sources distribuées où certains sources sont défectueuses (volontairement ou non). Dans ce contexte, les informations recueillies collectivement par le système sont une agrégation progressive (non linéaire) des informations recueillies individuellement par chaque agent. Par conséquent, chaque agent a des informations directes (recueillies par lui-même) et des informations indirectes (obtenues grâce à la communication avec d'autres agents). La cohérence du système est définie par la compatibilité des informations recueillies collectivement sur l'environnement exploré avec l'environnement réel. La robustesse du système est définie par la capacité du système de maintenir la cohérence de ses informations, en dépit de l'existence et de l'augmentation des agents défaillants au sein du système.Pour assurer la cohérence du système, nous proposons un modèle de confiance appelé TrustSet, permettant aux agents de raisonner eux-mêmes sur les informations collectées et en particulier de calculer la fiabilité de ces informations. Chaque agent maintient un réseau de confiance et un système d'informations locales construit à partir de la confrontation des informations directes (collectées par l'agent) et des informations indirectes (obtenues à partir des agents rencontrés) pour développer une stratégie de communication locale ou globale garantissant la robustesse du système par rapport aux effets de la dissonance des agents. Ensuite, nous construisons un système multi-agents capable de définir dynamiquement ou de faire émerger des stratégies de déplacement ou de communication adaptées à la perturbation. Une démarche d'auto-organisation se base sur une vision systémique dans laquelle nous considérons un couplage structurel entre les deux composantes du système : le sous-système de collecte d'information directe et le sous-système de communication. Ce mécanisme agit comme un guide pour la communication et pour la limitation de la diffusion d'informations dissonantes dans le système, réduisant ainsi son impact sur le processus de la collecte d'information collective. De nombreuses simulations ont été menées dans le cadre d'une application de cartographie collaborative, afin de montrer l'intérêt de notre approche.
Book Synopsis Coordination et robustesse des systèmes dynamiques multi-agents by : Samuel Martin
Download or read book Coordination et robustesse des systèmes dynamiques multi-agents written by Samuel Martin and published by . This book was released on 2012 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Nous nous intéressons à l'étude de la dynamique des réseaux composés d'une multitude d'agents. Les motivations de ce travail trouvent leurs sources dans de nombreux domaines et notamment la biologie avec l'étude de l'émergence de comportements collectifs cohérents chez les animaux (vol en formation d'oiseaux migrateurs). Considérons un certain nombre d'agents (animaux) dont le comportement dynamique individuel peut être modélisé par une équation différentielle. Les agents communiquent : les liens sont représentés sous la forme d'un graphe dont les sommets sont les agents du système. Chaque agent a la connaissance de l'état des agents auxquels il est connecté et ajuste sa dynamique à l'aide de cette information. Des comportements collectifs peuvent alors émerger comme par exemple le phénomène de flocking (tous les agents se déplacent dans la même direction). Plusieurs modèles d'interaction ont été proposés, les plus connus étant le modèle de Viscek (1995) ou le modèle de Cucker-Smale (2007). L'étude de ces modèles repose généralement sur des méthodes d'analyse de stabilité des systèmes dynamiques ou des systèmes hybrides, lorsque le graphe de communication évolue dans le temps. Nous souhaitons dans cette thèse évaluer la robustesse de l'émergence de ces comportements collectifs en étudiant l'influence de divers facteurs: paramètres du modèle, topologie du graphe, nombre d'agents, présences de perturbations. Nous nous intéresserons notamment au phénomène de scission du groupe d'agents en plusieurs groupes d'agents coordonnés.
Book Synopsis CIKM'13 by : CIKM 13 Conference Committee
Download or read book CIKM'13 written by CIKM 13 Conference Committee and published by . This book was released on 2013-10-27 with total page 938 pages. Available in PDF, EPUB and Kindle. Book excerpt: CIKM'13: 22nd ACM International Conference on Information and Knowledge Management Oct 27, 2013-Nov 01, 2013 San Francisco, USA. You can view more information about this proceeding and all of ACM�s other published conference proceedings from the ACM Digital Library: http://www.acm.org/dl.
Book Synopsis The Disappearing Computer by : Norbert Streitz
Download or read book The Disappearing Computer written by Norbert Streitz and published by Springer. This book was released on 2007-07-20 with total page 314 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book examines how the computer, as we currently know it, will be replaced by a new generation of technologies, moving computing off the desktop and ultimately integrating it with real world objects and everyday environments. It provides a unique combination of concepts, methods and prototypes of ubiquitous and pervasive computing reflecting the current interest in smart environments and ambient intelligence.
Download or read book Managing Complexity written by G. Rzevski and published by WIT Press. This book was released on 2014-03-25 with total page 217 pages. Available in PDF, EPUB and Kindle. Book excerpt: Managing Complexity is the first book that clearly defines the concept of Complexity, explains how Complexity can be measured and tuned, and describes the seven key features of Complex Systems: ConnectivityAutonomyEmergencyNonequilibriumNon-linearitySelf-organisationCo-evolution The thesis of the book is that complexity of the environment in which we work and live offers new opportunities and that the best strategy for surviving and prospering under conditions of complexity is to develop adaptability to perpetually changing conditions. An effective method for designing adaptability into business processes using multi-agent technology is presented and illustrated by several extensive examples, including adaptive, real-time scheduling of taxis, see-going tankers, road transport, supply chains, railway trains, production processes and swarms of small space satellites. Additional case studies include adaptive servicing of the International Space Station; adaptive processing of design changes of large structures such as wings of the largest airliner in the world; dynamic data mining, knowledge discovery and distributed semantic processing. Finally, the book provides a foretaste of the next generation of complex issues, notably, The Internet of Things, Smart Cities, Digital Enterprises and Smart Logistics.
Download or read book Geosimulation written by Itzhak Benenson and published by John Wiley & Sons. This book was released on 2004-08-20 with total page 320 pages. Available in PDF, EPUB and Kindle. Book excerpt: Geosimulation is hailed as ‘the next big thing’ in geographic modelling for urban studies. This book presents readers with an overview of this new and innovative field by introducing the spatial modelling environment and describing the latest research and development using cellular automata and multi-agent systems. Extensive case studies and working code is available from an associated website which demonstrate the technicalities of geosimulation, and provide readers with the tools to carry out their own modelling and testing. The first book to treat urban geosimulation explicitly, integrating socio-economic and environmental modelling approaches Provides the reader with a sound theoretical base in the science of geosimulation as well as applied material on the construction of geosimulation models Cross-references to an author-maintained associated website with downloadable working code for readers to apply the models presented in the book Visit the Author's Website for further information on Geosimulation, Geographic Automata Systems and Geographic Automata Software http://www.geosimulationbook.com
Book Synopsis Agent-Based Computational Sociology by : Flaminio Squazzoni
Download or read book Agent-Based Computational Sociology written by Flaminio Squazzoni and published by John Wiley & Sons. This book was released on 2012-02-27 with total page 257 pages. Available in PDF, EPUB and Kindle. Book excerpt: Most of the intriguing social phenomena of our time, such as international terrorism, social inequality, and urban ethnic segregation, are consequences of complex forms of agent interaction that are difficult to observe methodically and experimentally. This book looks at a new research stream that makes use of advanced computer simulation modelling techniques to spotlight agent interaction that allows us to explain the emergence of social patterns. It presents a method to pursue analytical sociology investigations that look at relevant social mechanisms in various empirical situations, such as markets, urban cities, and organisations. This book: Provides a comprehensive introduction to epistemological, theoretical and methodological features of agent-based modelling in sociology through various discussions and examples. Presents the pros and cons of using agent-based models in sociology. Explores agent-based models in combining quantitative and qualitative aspects, and micro- and macro levels of analysis. Looks at how to pose an agent-based research question, identifying the model building blocks, and how to validate simulation results. Features examples of agent-based models that look at crucial sociology issues. Supported by an accompanying website featuring data sets and code for the models included in the book. Agent-Based Computational Sociology is written in a common sociological language and features examples of models that look at all the traditional explanatory challenges of sociology. Researchers and graduate students involved in the field of agent-based modelling and computer simulation in areas such as social sciences, cognitive sciences and computer sciences will benefit from this book.
Book Synopsis Simulating Social Phenomena by : Rosaria Conte
Download or read book Simulating Social Phenomena written by Rosaria Conte and published by . This book was released on 2014-01-15 with total page 550 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Simulating Societies by : Nigel Gilbert
Download or read book Simulating Societies written by Nigel Gilbert and published by Routledge. This book was released on 2018-05-15 with total page 419 pages. Available in PDF, EPUB and Kindle. Book excerpt: The most exciting and productive areas of academic inquiry are often where the interests of two disciplines meet. This is certainly the case for the subject of this book, originally published in 1994, which explores the contribution that computer-based modelling and artificial intelligence can make to understanding fundamental issues in social science. Simulating Societies shows how computer simulations can help to clarify theoretical approaches, contribute to the evaluation of alternative theories, and illuminate one of the major issues of the social sciences: how social phenomena can "emerge" from individual action. The authors discuss how simulation models can be constructed using recently developed artificial intelligence techniques and they consider the methodological issues involved in using such models for theory development, testing and experiment. The introductory chapters situate the book within social science, and suggest why the time was ripe for significant progress, before defining basic terminology, showing how simulation has been used to theorize about organizations, and indicating through examples some of the fundamental issues involved in simulation. The main body of the text provides case studies drawn from economics, anthropology, archaeology, planning, social psychology and sociology. The appeal of this path-breaking book was twofold. It offered an essential introduction to simulation for social scientists and it provided case study applications for computer scientists interested in the latest advances in the burgeoning area of distributed artificial intelligence (DAI) at the time.
Book Synopsis Social Action Systems by : Thomas J. Fararo
Download or read book Social Action Systems written by Thomas J. Fararo and published by Praeger. This book was released on 2001-09-30 with total page 344 pages. Available in PDF, EPUB and Kindle. Book excerpt: Employing a process philosophical approach, Fararo studies general theoretical sociology as a time-extended tradition with three phases: classical, postclassical, and recent. The author especially focuses on the work of Talcott Parsons and George Homans, two contemporary theorists whose common aspiration was to forge a theoretical foundation for sociology that would serve to unify and integrate all theories growing out of sociological research. Ultimately, the book offers a unique perspective on sociological theory by carefully distinguishing other intellectual orientations from that of general theory.
Book Synopsis Water Resources in the Mediterranean Region by : Mehrez Zribi
Download or read book Water Resources in the Mediterranean Region written by Mehrez Zribi and published by Elsevier. This book was released on 2020-06-14 with total page 352 pages. Available in PDF, EPUB and Kindle. Book excerpt: Water Resources in the Mediterranean Region summarizes and collates scientific developments around water resources in the Mediterranean socio-economic environment through a multidisciplinary framework synthesizing hydrology, hydrogeology, climate, bioclimatology, economics, and geography. As such, it provides essential information for any reader looking to learn more about the Mediterranean which is experiencing the impact of climate change and concurrent complex issues of anthropogenic effects, especially in agriculture and other resource uses. Water Resources in the Mediterranean Region covers different challenges in the issue of the evolution of water resources in the Mediterranean. It is intended for PhD students, research scientists, and managers interested in new solutions and approaches for water management and in the forecast of future water dynamics. Offers multidisciplinary content providing global visions of the challenges faced in the Mediterranean region Presents fundamental and operational studies, providing the reader with information on how to implement these actions and results themselves Written in a pedagogical manner, allowing for ease of reading for both researchers and water managers
Book Synopsis Collaborative Decision Making by : Pascale Zaraté
Download or read book Collaborative Decision Making written by Pascale Zaraté and published by IOS Press. This book was released on 2008 with total page 516 pages. Available in PDF, EPUB and Kindle. Book excerpt: This publication presents the latest innovations and achievements of academic communities on Decision Support Systems (DSS). These advances include theory systems, computer-aided methods, algorithms, techniques and applications related to supporting decision making. The aim is to develop approaches for applying information systems technology to increase the effectiveness of decision making in situations where the computer system can support and enhance human judgements in the performance of tasks that have elements which cannot be specified in advance. Also it is intended to improve ways of synthesizing and applying relevant work from resource disciplines to practical implementation of systems that enhance decision support capability. The resource disciplines include: information technology, artificial intelligence, cognitive psychology, decision theory, organizational theory, operations research and modeling. Researchers come from the Operational Research area but also from Decision Theory, Multicriteria Decision Making methodologies, Fuzzy sets and modeling tools. Based on the introduction of Information and Communication Technologies in organizations, the decisional process is evolving from a mono actor to a multi actor situation in which cooperation is a way to make the decision.
Book Synopsis Construction Supply Chain Management Handbook by : William J. O'Brien
Download or read book Construction Supply Chain Management Handbook written by William J. O'Brien and published by CRC Press. This book was released on 2008-10-20 with total page 520 pages. Available in PDF, EPUB and Kindle. Book excerpt: Mounting emphasis on construction supply chain management (CSCM) is due to both global sourcing of materials and a shortage of labor. These factors force increasing amounts of value-added work to be conducted off-site deep in the supply chain. Construction Supply Chain Management Handbook compiles in one comprehensive source an overview of the dive
Author :Jean Goubault-Larrecq Publisher :Springer Science & Business Media ISBN 13 :9781402003684 Total Pages :448 pages Book Rating :4.0/5 (36 download)
Book Synopsis Proof Theory and Automated Deduction by : Jean Goubault-Larrecq
Download or read book Proof Theory and Automated Deduction written by Jean Goubault-Larrecq and published by Springer Science & Business Media. This book was released on 2001-11-30 with total page 448 pages. Available in PDF, EPUB and Kindle. Book excerpt: Interest in computer applications has led to a new attitude to applied logic in which researchers tailor a logic in the same way they define a computer language. In response to this attitude, this text for undergraduate and graduate students discusses major algorithmic methodologies, and tableaux and resolution methods. The authors focus on first-order logic, the use of proof theory, and the computer application of automated searches for proofs of mathematical propositions. Annotation copyrighted by Book News, Inc., Portland, OR
Book Synopsis Integrated Design and Manufacturing in Mechanical Engineering by : Patrick Chedmail
Download or read book Integrated Design and Manufacturing in Mechanical Engineering written by Patrick Chedmail and published by Springer. This book was released on 2012-11-05 with total page 545 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume contains the selected papers of the first I.D.M.M.E. conference on 'Integrated Design and Manufacturing in Mechanical Engineering', held in Nantes from 15-17 April 1996. Its objective was to discuss the questions related to the definition of the optimal design and manufacturing processes and to their integration through coherent methodologies in adapted environments. The initiative of the Conference and the organization thereof, is mainly due to the efforts of the french PRIMECA group (Pool of Computer Resources for Mechanics) started eight years ago. We were able to attract the internationru community with the support of the International Institution for Production Engineering Research (C.I.R.P.). The conference brought together two hundred and fifty specialists from around the world. About ninety papers and twenty posters were presented covering three main topics : optimization and evaluation of the product design process, optimization and evaluation of the manufacturing systems and methodological aspects.
Book Synopsis Digital Transformation in Financial Services by : Claudio Scardovi
Download or read book Digital Transformation in Financial Services written by Claudio Scardovi and published by Springer. This book was released on 2017-09-04 with total page 242 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book analyzes the set of forces driving the global financial system toward a period of radical transformation and explores the transformational challenges that lie ahead for global and regional or local banks and other financial intermediaries. It is explained how these challenges derive from the newly emerging post-crisis structure of the market and from shadow and digital players across all banking operations. Detailed attention is focused on the impacts of digitalization on the main functions of the financial system, and particularly the banking sector. The author elaborates how an alternative model of banking will enable banks to predict, understand, navigate, and change the external ecosystem in which they compete. The five critical components of this model are data and information mastering; effective use of applied analytics; interconnectivity and “junction playing”; development of new business solutions; and trust and credibility assurance. The analysis is supported by a number of informative case studies. The book will be of interest especially to top and middle managers and employees of banks and financial institutions but also to FinTech players and their advisers and others.
Book Synopsis Identification Problems in the Social Sciences by : Charles F. Manski
Download or read book Identification Problems in the Social Sciences written by Charles F. Manski and published by Harvard University Press. This book was released on 1995 with total page 194 pages. Available in PDF, EPUB and Kindle. Book excerpt: The author draws on examples from a range of disciplines to provide social and behavioural scientists with a toolkit for finding bounds when predicting behaviours based upon nonexperimental and experimental data.
