SLAng: A Language for Defining Service Level Agreements
FTDCS '03 Proceedings of the The Ninth IEEE Workshop on Future Trends of Distributed Computing Systems
Using QDL to Specify QoS Aware Distributed (QuO) Application Configuration
ISORC '00 Proceedings of the Third IEEE International Symposium on Object-Oriented Real-Time Distributed Computing
Truth vs Knowledge: The Difference Between What a Component Does and What We Know It Does
IWSSD '96 Proceedings of the 8th International Workshop on Software Specification and Design
QoS-Aware Middleware for Web Services Composition
IEEE Transactions on Software Engineering
An approach for QoS-aware service composition based on genetic algorithms
GECCO '05 Proceedings of the 7th annual conference on Genetic and evolutionary computation
Principles of Constraint Programming
Principles of Constraint Programming
Probabilistic QoS and Soft Contracts for Transaction-Based Web Services Orchestrations
IEEE Transactions on Services Computing
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Enterprise systems should be assembled out of components and services according to an orchestration schema and taking into account not only functional requirements but also the resulting Quality of Service (QoS). In other words, QoS-aware composition of services and components must be performed. The problem is to find which components or services have to be employed that the resulting system would optimize some QoS attributes while satisfying some other QoS constraints. The paper proposes to use the Constraint Logic Programming approach to solve this problem, that is, we see this problem as a discrete optimization and satisfaction problem.