Generative communication in Linda
ACM Transactions on Programming Languages and Systems (TOPLAS)
Mobile UNITY: reasoning and specification in mobile computing
ACM Transactions on Software Engineering and Methodology (TOSEM)
The abc of rational agent modelling
Proceedings of the first international joint conference on Autonomous agents and multiagent systems: part 2
A Discipline of Programming
Introducing Dynamic Constraints in B
B '98 Proceedings of the Second International B Conference on Recent Advances in the Development and Use of the B Method
A model-checking verification environment for mobile processes
ACM Transactions on Software Engineering and Methodology (TOSEM)
Design and Evaluation of a Fault-Tolerant Mobile-Agent System
IEEE Intelligent Systems
Model Checking Rational Agents
IEEE Intelligent Systems
Exception Handling in Coordination-Based Mobile Environments
COMPSAC '05 Proceedings of the 29th Annual International Computer Software and Applications Conference - Volume 01
On specification and verification of location-based fault tolerant mobile systems
Rigorous Development of Complex Fault-Tolerant Systems
Formal development of cooperative exception handling for mobile agent systems
Proceedings of the 2008 RISE/EFTS Joint International Workshop on Software Engineering for Resilient Systems
Resilience through dynamic reconfiguration in agent systems
Proceedings of the 2008 RISE/EFTS Joint International Workshop on Software Engineering for Resilient Systems
Model-Based Testing Using Scenarios and Event-B Refinements
Methods, Models and Tools for Fault Tolerance
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Agent systems are examples of complex distributed systems. Though agents operate in unreliable communication environment, often such systems have high reliability requirements imposed on them. Therefore, we need methods which allow us not only to ensure system correctness but also to integrate design of fault tolerance mechanisms in the development process. In this paper we present a formal approach for the development of fault tolerant location-based mobile agent systems. Our approach is based on stepwise refinement in the Event B framework. We start from an abstract system specification modelling agents together with their communication environment and gradually introduce implementation details in a number of correctness-preserving transformations. Such stepwise development allows us to specify complex system properties, such as fault tolerance, in a structured and rigorous way. Moreover, it enables a formal representation of essential abstractions used in the development of fault tolerant agent systems, including scopes, roles, locations, and agents. Application of the proposed approach results in designing fault tolerant agent systems in which inter-consistency and inter-operability of agents is ensured by construction.