Automated SLA Monitoring for Web Services
DSOM '02 Proceedings of the 13th IFIP/IEEE International Workshop on Distributed Systems: Operations and Management: Management Technologies for E-Commerce and E-Business Applications
Monitoring Web Service Requirements
RE '03 Proceedings of the 11th IEEE International Conference on Requirements Engineering
Monitoring E-Business Web Services Usage through a Log Based Architecture
ICWS '04 Proceedings of the IEEE International Conference on Web Services
A framework for requirents monitoring of service based systems
Proceedings of the 2nd international conference on Service oriented computing
Associating assertions with business processes and monitoring their execution
Proceedings of the 2nd international conference on Service oriented computing
A QoS Broker Based Architecture for Efficient Web Services Selection
ICWS '05 Proceedings of the IEEE International Conference on Web Services
Consumer-Centric Service-Oriented Architecture: A New Approach
SEUS-WCCIA '06 Proceedings of the The Fourth IEEE Workshop on Software Technologies for Future Embedded and Ubiquitous Systems, and the Second International Workshop on Collaborative Computing, Integration, and Assurance (SEUS-WCCIA'06)
A Runtime Monitoring and Validation Framework for Web Service Interactions
ASWEC '06 Proceedings of the Australian Software Engineering Conference
Semantic Web Services Monitoring: An OWL-S Based Approach
HICSS '08 Proceedings of the Proceedings of the 41st Annual Hawaii International Conference on System Sciences
Verifying policy-based web services security
ACM Transactions on Programming Languages and Systems (TOPLAS)
A Policy-Driven Distributed Framework for Monitoring Quality of Web Services
ICWS '08 Proceedings of the 2008 IEEE International Conference on Web Services
Towards dynamic monitoring of WS-BPEL processes
ICSOC'05 Proceedings of the Third international conference on Service-Oriented Computing
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As the web service technology matures, research starts to focus on the composite web services that combine individual web services within an enterprise or between enterprises. Quality of service (QoS) is a critical competitiveness factor in this mature technology stage where there are many services with similar functionalities differing only in some non-functional properties. Monitoring is the key component for the service quality management of a web service. A service quality monitoring system design using a broker is presented in this paper. OWL-S is used to specify the composite service process and a service policy (inputs and outputs of each service, quality attributes and values, etc.) built by WS-policy is applied to the composite service process. If there is any discrepancy between the service policy and the monitored data, the service provider and the user are notified of it so as to take necessary measures. We have implemented a travel reservation system as an example of the presented design and the experimental results are shown. Average response time was monitored and the timeout policy was applied in the experiment.