QoS contract-aware reconfiguration of component architectures using e-graphs
FACS'10 Proceedings of the 7th international conference on Formal Aspects of Component Software
Automatic SLA Matching and Provider Selection in Grid and Cloud Computing Markets
GRID '12 Proceedings of the 2012 ACM/IEEE 13th International Conference on Grid Computing
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When a number of Web services are deployed there may be many Web services can provide expected functions of a service request. QoS can be then used to distinguish those similar functional services in order to select the best services in terms of their quality. Various QoS models and QoS languages have been proposed for Web services. Therefore different organizations and companies may adopt different QoS models for expressing quality of provided Web services. This leads to the issue of interoperability of QoS meaning between and among service participants which join in service cooperation. Semantic technology has been applied in recent works aiming at providing an efficient and compatible method for describing and reasoning about QoS of different systems. In this paper, we present an overview of prominent research works related to developing QoS ontologies and discuss their advantages and shortcomings. Basing on such analysis, we indicate open issues that need further investigation in ongoing works aiming at developing and using QoS ontologies for Web service discovery, management, and composition.