If an organization depends on the service quality provided by another organization it often enters into a bilateral service level agreement (SLA), which mitigates outsourcing risk...
Most web services need to be contracted through service level agreements that typically specify a certain quality of service (QoS) in return for a certain price. We propose a new f...
—The performance of BPEL processes depends on the composing web services. Monitoring web service performance and adapting to changes in service performance are essential for crea...
Execution monitoring of complex web service process models is critical for effective management and control of web services based systems. During the composite process model execu...
Abstract--In a web service composition, an electronic contract (e-contract) regulates how the services participating in the composition should behave, including the restrictions th...