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Record Nr. |
UNINA9910143083303321 |
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Autore |
Nagurney Anna |
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Titolo |
Fragile networks [[electronic resource] ] : identifying vulnerabilities and synergies in an uncertain world / / Anna Nagurney, Qiang Qiang |
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Pubbl/distr/stampa |
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Hoboken, NJ, : Wiley, c2009 |
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ISBN |
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1-282-23734-9 |
9786612237348 |
0-470-50113-8 |
0-470-50112-X |
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Descrizione fisica |
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1 online resource (340 p.) |
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Altri autori (Persone) |
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Disciplina |
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Soggetti |
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Network analysis (Planning) |
System analysis |
Electronic books. |
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Lingua di pubblicazione |
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Formato |
Materiale a stampa |
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Livello bibliografico |
Monografia |
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Note generali |
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Description based upon print version of record. |
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Nota di bibliografia |
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Includes bibliographical references and index. |
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Nota di contenuto |
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FRAGILE NETWORKS: Identifying Vulnerabilities and Synergies in an Uncertain World; CONTENTS; List of Figures; List of Tables; PART I NETWORK FUNDAMENTALS, EFFICIENCY MEASUREMENT, AND VULNERABILITY ANALYSIS; 1 Introduction and Overview; 2 Fundamental Methodologies, Network Models, and Algorithms; 2.1 Review of Variational Inequality Theory and its Relationships to Optimization; 2.2 Decentralized Decision-Making and User-Optimization; 2.2.1 The Network Equilibrium (U-O) Model with Fixed Demands; 2.2.2 Network Equilibrium (U-O) Models with Elastic Demands |
2.3 Centralized Decision-Making and System-Optimization2.3.1 The System-Optimization (S-O) Models; 2.3.2 System-Optimality Conditions; 2.4 Algorithms; 2.4.1 Equilibration Algorithms; 2.4.2 The Projection Method; 2.4.3 The Modified Projection Method; 2.4.4 The Euler Method; 2.5 Sources and Notes; 3 Network Performance Measurement and Robustness Analysis; 3.1 Some Preliminaries and Network Centrality Measures; 3.2 A Unified Network Performance Measure Based on Decentralized Decision-Making; 3.2.1 A Desirable |
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Property of the Network Performance Measure; 3.2.2 The Importance of Network Components |
3.2.3 Numerical Examples3.2.4 An Application of the New Network Measure to the Braess Network with Varying Demands; 3.3 A Network Robustness Measure Under Decentralized Decision-Making Behavior; 3.3.1 Some Theoretical Results for the Network Robustness Measure under BPR Functions and Fixed Demands; 3.3.2 A Braess-Inspired Network; 3.4 Relative Total Cost Indices for Assessing Network Robustness; 3.4.1 Theoretical Results for Networks with BPR Functions; 3.4.2 A Network Example; 3.5 Summary and Conclusions; 3.6 Sources and Notes; PART II APPLICATIONS AND EXTENSIONS |
4 Application of the Measures to Transportation Networks4.1 A Larger Fixed Demand Network; 4.2 The Sioux Falls Network; 4.2.1 Importance of Links in the Sioux Falls Network; 4.2.2 Robustness of the Sioux Falls Network; 4.2.3 The Relative Total Cost Indices for the Sioux Falls Network; 4.3 The Anaheim Network; 4.3.1 Robustness of the Anaheim Network; 4.3.2 The Relative Total Cost Indices for the Anaheim Network; 4.4 The Environmental Robustness and Link Importance of Transportation Networks; 4.4.1 Environmental Emissions |
4.4.2 Environmental Impact Assessment Indices for Transportation Networks4.4.3 Environmental Link Importance Identification and Ranking; 4.4.4 Numerical Examples; 4.5 Summary and Conclusions; 4.6 Sources and Notes; 5 Supply Chain Networks with Disruption Risks; 5.1 Introduction; 5.2 The Supply Chain Model with Disruption Risks and Random Demands; 5.2.1 The Behavior of the Manufacturers; 5.2.2 The Behavior of the Retailers; 5.2.3 The Market Equilibrium Conditions; 5.2.4 The Equilibrium Conditions of the Supply Chain; 5.3 A Weighted Supply Chain Performance Measure |
5.3.1 A Supply Chain Network Performance Measure |
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Sommario/riassunto |
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A unified treatment of the vulnerabilities that exist in real-world network systems-with tools to identify synergies for mergers and acquisitions Fragile Networks: Identifying Vulnerabilities and Synergies in an Uncertain World presents a comprehensive study of network systems and the roles these systems play in our everyday lives. This book successfully conceptualizes, defines, and constructs mathematically rigorous, computer-based tools for the assessment of network performance and efficiency, along with robustness and vulnerability analysis. The result is a thorough explorat |
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2. |
Record Nr. |
UNINA9910144894103321 |
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Autore |
Eylert Bernd |
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Titolo |
The mobile multimedia business [[electronic resource] ] : requirements and solutions / / Bernd Eylert |
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Pubbl/distr/stampa |
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Chichester ; ; Hoboken, NJ, : John Wiley & Sons, c2005 |
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ISBN |
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1-280-33959-4 |
9786610339594 |
0-470-01653-1 |
0-470-01652-3 |
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Descrizione fisica |
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1 online resource (327 p.) |
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Disciplina |
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Soggetti |
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Mobile communication systems |
Multimedia communications |
Electronic books. |
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Lingua di pubblicazione |
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Formato |
Materiale a stampa |
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Livello bibliografico |
Monografia |
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Note generali |
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Description based upon print version of record. |
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Nota di bibliografia |
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Includes bibliographical references (p. [293]-295) and index. |
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Nota di contenuto |
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The Mobile Multimedia Business; Contents; Preface; Foreword by Jean-Pierre BienaimeĢ; Foreword by Tom Wheeler; Acknowledgements; 1 Introduction; 1.1 The 3G Mobile Pathfinders: Existing Wireless Communication Systems; 1.1.1 Analogue Cellular; 1.1.2 Cordless Systems; 1.1.3 Professional Mobile Radio; 1.1.4 Terrestrial Trunked Radio (TETRA); 1.1.5 Short Range Radio; 1.1.6 Mobile Satellite Systems; 1.1.7 International Maritime Satellite Organization: Inmarsat; 1.1.8 IRIDIUM and Globalstar; 1.1.9 Paging Systems; 1.1.10 In-Flight Telephone; 1.2 The History of 3G; 2 Mobile Communications Markets |
2.1 Market Analysis2.1.1 Market Expectations and Forecasts at the Time of Licensing the First 3G/UMTS Networks (c. 1999); 2.1.2 Customers' Expectations; 2.1.3 The Technology Background; 2.1.4 Market Dynamics; 2.1.5 General Principles for Preparing a Market Study; 2.1.6 Study Methodology; 2.2 The Market Studies of the UMTS Forum; 2.2.1 Short Summary of the Study; 2.2.2 Study Framework; 2.3 Calculations; 2.3.1 Business Models for 3G Services; 2.3.2 User Profits and Needs by Service; 2.3.3 Price Trends; 2.3.4 3G Market Demand |
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Forecasts |
2.3.5 Worldwide and Regional Revenue Forecast by Service Categories2.3.6 Regional Forecasts for Selected Services: 2000-2010; 2.4 Expectations; 2.4.1 Business Implications; 2.4.2 Chances for 3G; 2.4.3 Barriers for 3G; 3 Services and Applications; 3.1 Introduction; 3.1.1 The 3G Business Chain; 3.1.2 The Move to Multi-Service Market Opportunities; 3.1.3 Quality of Service; 3.2 Description of Some Services and Applications; 3.2.1 Entertainment; 3.2.2 Mobile Shopping; 3.2.3 Experts on Call; 3.2.4 Remote Monitoring; 3.2.5 Telematics/Telemetry/Monitoring; 3.2.6 Advantages for Mobile Workers |
3.3 Portals and their Business Models3.3.1 Defining a Portal; 3.3.2 Key Success Factors; 3.3.3 Portal and Content; 3.3.4 The Important Role of Video in the Context of Portals; 3.3.5 Positioning of Network Operators within the Portal Industry; 3.3.6 The Role of an Internet Service Provider; 3.3.7 The Role of the Content Provider; 3.3.8 Requirements for Portal Set-Up; 3.4 Service Providers' Business Strategies; 3.4.1 The Billing Challenges and Opportunities; 3.4.2 Privacy, Data Protection and Legal Interception; 3.4.3 Harmful and Illegal Content and Protection of Minors and Public Order |
3.5 Mobile Internet Protocol3.6 IP Multimedia Subsystem: Service Aspects; 3.6.1 Definition; 3.6.2 The IMS Vision; 3.6.3 Internetwork Interoperability; 3.6.4 Voice Over IP; 3.6.5 IMS in Summary and Conclusion; 3.7 Naming, Addressing and Other Identifiers; 3.7.1 Naming; 3.7.2 Addressing; 3.7.3 Other Identifiers; 3.7.4 Benefits and Drawbacks of a Mobile Top-Level Domain; 4 Technology; 4.1 The ITU IMT-2000 Family Concept; 4.2 Technology Competitors; 4.3 Impact on Standardisation; 4.3.1 Mobile Multimedia Portal Platform; 4.3.2 Mobility; 4.3.3 Security; 4.3.4 Further Aspects |
4.4 Terminals and Devices |
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Sommario/riassunto |
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As the wireless world opens up, this book explores the evolving role of multimedia and UMTS technology in the mobile communications sector. The author draws on his extensive experience in the field to provide an approach that will appeal to academia and industry alike, covering hot topics such as regulation and licensing, services and applications, markets, security, devices and terminals and charging schemes. Numerous examples from international sources are used to illustrate the current status of the technology around the globe, examining the implications of its evolution to 4G. <ul type=""d |
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