دانلود کتاب Agent-Based Service-Oriented Computing

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1849960402
Agent-BasedService-Oriented Computing
Preface
Contents
List of Contributors
Introduction
Kuo-Ming Chao and Nathan Griffiths
Distributed Systems
Software Agents
Service-Oriented Architectures
Modelling Methodologies
Agent Modelling Methodologies
SOA Modelling Methodologies
Agents and Services
Supporting Development Platforms
Agents and SOA Standards
Foundation for Intelligent Physical Agents (FIPA)
SOA and Web Service Architecture Standards
Overview of Chapters
Conclusion
References
Service Advertisement and Discovery
Shanshan Yang and Mike Joy
Introduction to Service Advertisement and Discovery
Basic Technologies
SOAP
WSDL
UDDI
Web Service Registry Architectures
Centralised Registries
Decentralised Registries
Hybrid Registries
Data Structures
System Requirements
Advertisement and Discovery Services
Agents in Service Advertisement and Discovery
Agents in Service Oriented Computing
Development of Agents in Service Advertisement and Discovery
Challenges in Service Advertisement and Discovery
System Requirements
System Modelling
Summary
References
Multi-Agent Coordination for Service Composition
Junzhou Luo, Wei Li, Bo Liu, Xiao Zheng and Fang Dong
Introduction
Preliminaries
Service Composition
QoS Attributes and User Satisfaction Degree of Service
Task Graph
Service Composition Graph
From Task Graph to Services Composition Graph
The Fundamentals of the Ant Algorithm
Related Work
Framework of Service Composition
Service Composition Plan Generation
Service Selection and Plan Optimization
Multi-Agent Based Service Composition
Architecture of MQSC
Portal Agent
Decision Agent
Search Agent
Registry Agent
Management Agent
Execution Agent
Service Composition Generation
Service Search and Composition Plan Generation
QoS-Aware Service Selection
Service Composition Deployment and Execution
How to Manage the EA to Implement the Composite Plan for the MA
The Plan Scheduling Algorithm of the EA
An Example for the Scheduling Algorithm of the EA
Case Study
Case Scenario Description
Multi-Agent System for Service Composition
Travel Assistant Service Compositing
Conclusion and Future Work
References
Flexible Workflow Management in Service Oriented Environments
Birgit Hofreiter and Christian Huemer
Introduction
Orchestration and Choreography
Motivation and Definitions
Orchestration
Local Choreography
Global Choreography
Approaches to Transform Between Orchestration and Choreography
Workflow and Web Services
Web Services Standards for Business Processes
Specifying a Business Process by Means of BPEL
Analyzing BPEL by Workflow Patterns
The Role of Agents in Service-Based Business Processes
Dynamic Workflows
Dynamic Selection of Best Service Providers
Changes to the Workflow Schema
Summary and Outlook
References
Semantics for Service-Oriented Architectures
Michael Stollberg and Dieter Fensel
Introduction
Web Services and SOA
Web Services
Service-Oriented Architectures
Semantic Web Services
Ontologies and the Semantic Web
SWS Frameworks
Semantic Techniques for Automating SOA
Discovery
Selection and Ranking
Behavioral Compatibility
Composition
Mediation
Automated Execution
Conclusions and Outlook
Summary
Future Challenges
References
Dependability in Service-Oriented Computing
Arshad Jhumka
Introduction
Service-Oriented Architecture
Dependability Issues in Service-Oriented Architectures
Models
System Models
Fault Models
Dependability Enhancement in a Service Oriented Architecture
Fault Prevention
Fault Tolerance
Fault Removal
Fault Forecasting: Fault Injection
Dependability Evaluation
Case Studies
A Web-Based Application
Service-Oriented Computing in Ubiquitous Systems
Conclusions
References
Consensus Issues for Service Advertisement and Selection
Ping Wang, Chi-Chun Lo and Leon Smalov
Introduction
Semantic Confusion
Reaching Consensus
Existing Solutions for Web Service Selection
The Proposed QoS-Aware Services Selection Model
Basic Definitions and Notations
Consistence and Inconsistence Measurements
Problem Formulation
Two Numerical Cases
Numerical Case I
Numerical Case II
Discussion
Conclusion
References
Trust and Reputation
Sarah N. Lim Choi Keung and Nathan Griffiths
Introduction
Trust and Reputation
Trust
Reputation
The Multiple Approaches to Trust and Reputation Models
Review of Trust and Reputation Models
Summary of Views of Trust and Reputation Models
Agents and Service-Oriented Computing
Peer-to-Peer Architectures
Grid Computing
Trust Classes and Ontologies
Trust Semantics
Summary
References
QoS-Aware Service Selection
James W. J. Xue and Stephen A. Jarvis
Introduction
Service Selection Procedure
Case Study---Selection of Switching Service
Server Switching in Internet Hosting Centres
Server Switching Procedure
Modelling Multi-tier Internet Services
Model Parameterisation
Bottleneck Identification of Multi-tier Architecture
Server Switching for Revenue Maximisation
Switching Policies
Proactive and Reactive Switching
Admission Control
Performance Evaluation
Experimental Setup
Evaluation Results
The Selection of Switching Services
Summary
References
Future Directions
Nathan Griffiths, Kuo-Ming Chao, Simon Miles, Sanjay Modgil, Nir Oren, Michael Luck and Kwei-Jay Lin
Introduction
Trust and Reputation
Standardisation
Technology Integration
Further Challenges for Trust and Reputation
Contract-Based Systems
Electronic Contracts
Conceptual Frameworks for Contract-Based Systems
Supporting Architectures for Contract-Based Systems
Existing Work and Future Directions
Service Accountability
Introduction to Accountability
SOA Accountability
Accountable Service Computing Model
Accountability System Components
Related Work
Future Direction
References
Index