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Economic Models and Algorithms for Distributed Systems

1;Table of Content ;6§2;Economic Models and Algorithms forDistributed Systems;8§3;Part I: Reputation Mechanisms and Trust;11§3.1;Reputation Mechanisms and Trust;12§3.2;A Belief-based Trust Model for DynamicService Selection;14§3.2.1;1. Introduction;14§3.2.2;2. Motivations;15§3.2.3;3. Related work;15§3.2.4;4. The methodology;17§3.2.5;5. Trust components;17§3.2.5.1;5.1 The sources of beliefs;18§3.2.6;6. Illustrating beliefs;19§3.2.7;7. Deriving a trust formalism;19§3.2.7.1;7.1 Combining belief values from various sources;19§3.2.7.2;7.2 Weighted Dempster Shafer theory;21§3.2.7.3;7.3 Trust adaptation: Dynamic weighting;22§3.2.7.4;7.4 Trust computation and selection;23§3.2.8;8. Empirical evaluation;23§3.2.8.1;8.1 Environment overview;23§3.2.8.2;8.2 Setup summary;25§3.2.8.3;8.3 Results;26§3.2.8.3.1;8.3.1 Simulation 1: Service selection without trust;26§3.2.8.3.2;8.3.2 Simulation 2: Service selection with trust;26§3.2.8.3.3;8.3.3 Simulation 3: Full service adjustment;26§3.2.8.3.4;8.3.4 Simulation 4: Delayed service adjustment;27§3.2.8.4;8.4 Discussion;27§3.2.9;9. Conclusion and future work;27§3.2.10;References;27§3.3;Reputation, Pricing and the E-Science Grid;29§3.3.1;1. Introduction;29§3.3.2;2. Offline allocation with fixed price;31§3.3.2.1;2.1 Scenario;32§3.3.2.2;2.2 Model;32§3.3.3;3. Reputation-based scheduling and pricing for online allocation;34§3.3.3.1;3.1 Scenario;34§3.3.3.2;3.2 Model;36§3.3.3.3;3.3 Parameter;37§3.3.3.4;3.4 Sellers and buyers action space;38§3.3.3.5;3.5 Reputation mechanism;40§3.3.4;4. Simulation and implementation;41§3.3.4.1;4.1 Setting;41§3.3.4.2;4.2 Results;42§3.3.4.3;4.3 Application;43§3.3.5;5. Conclusion;44§3.3.6;References;45§3.4;Trust-oriented Utility-based CommunityStructure in Multiagent Systems;48§3.4.1;1. Introduction;48§3.4.2;2. The approach;49§3.4.2.1;2.1 Communities reasoning about agents;50§3.4.2.1.1;2.1.1 Modeling the trustworthiness of agents;51§3.4.2.1.2;2.1.2 Incentives for communities to share reputation ratings of agents;52§3.4.2.1.3;2.1.3 Interpreting ratings provided by communities;57§3.4.2.1.4;2.1.4 Overview of community reasoning procedure;58§3.4.2.2;2.2 Agents reasoning about communities;59§3.4.2.3;2.3 Privacy considerations;60§3.4.3;3. Discussion;61§3.4.4;4. Future work;62§3.4.5;References;63§3.5;Formation of Virtual Organizations in Grids:A Game-Theoretic Approach;65§3.5.1;1. Introduction;65§3.5.1.1;1.1 Our contributions;67§3.5.1.2;1.2 Related work;67§3.5.1.3;1.3 Organization;68§3.5.2;2. Coalitional game theory;68§3.5.3;3. Model;70§3.5.4;4. Virtual organization formation;71§3.5.5;5. Virtual organization formation framework;77§3.5.6;6. Conclusion;80§3.5.7;References;81§3.6;Towards Dynamic Authentication inthe Grid Secure and Mobile BusinessWorkflows Using GSet;84§3.6.1;1. Introduction;84§3.6.2;2. State of the art;86§3.6.3;3. Requirements analysis The BIG project;88§3.6.4;4. The need for dynamic authorization;89§3.6.5;5. Gridified Secure Electronic Transaction (gSET);90§3.6.5.1;5.1 gSET;91§3.6.5.2;5.2 Architecture;92§3.6.6;6. Scenario and business model;93§3.6.7;7. Integrating gSET with a mobile client;94§3.6.7.1;7.1 Considerations regarding mobile devices;95§3.6.7.2;7.2 Tickets;96§3.6.7.3;7.3 The mobile gSET workflow;96§3.6.8;8. Performance analysis;98§3.6.8.1;8.1 gSET versus gridmap;98§3.6.8.2;8.2 Evaluation of gSET in a real mobile grid environment;100§3.6.9;9. Conclusions and future work;102§3.6.10;References;102§4;Part II: Service Level Agreements;106§4.1;Service Level Agreements;107§4.2;Enforcing Service Level Agreements Using anEconomically Enhanced Resource Manager;109§4.2.1;1. Introduction;109§4.2.2;2. Related work;110§4.2.3;3. Scenario definition;112§4.2.3.1;3.1 Revenue maximisation in resource-limited providers;113§4.2.3.2;3.2 SLA violation;114§4.2.4;4. Economically Enhanced Resource Manager;115§4.2.4.1;4.1 Architecture;116§4.2.4.2;4.2 Economic Resource Manager (ERM);117§4.2.4.
EAN/ISBN : 9783764388997
Publisher(s): Birkhäuser
Discussed keywords: Algorithmen, Verteilte Systeme, Ökonomische Modelle
Format: ePub/PDF

Author(s): Neumann, Dirk - Baker, Mark - Rana, Omer F. - Altmann, Jörn
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