Architecture-based runtime software evolution
Proceedings of the 20th international conference on Software engineering
COMPSAC '01 Proceedings of the 25th International Computer Software and Applications Conference on Invigorating Software Development
CAiSE '02 Proceedings of the 14th International Conference on Advanced Information Systems Engineering
WSOL - Web Service Offerings Language
CAiSE '02/ WES '02 Revised Papers from the International Workshop on Web Services, E-Business, and the Semantic Web
WSOL - Web Service Offerings Language
CAiSE '02/ WES '02 Revised Papers from the International Workshop on Web Services, E-Business, and the Semantic Web
Precise Service Level Agreements
Proceedings of the 26th International Conference on Software Engineering
Management applications of the web service offerings language (WSOL)
Information Systems - Special issue: The 15th international conference on advanced information systems engineering (CAiSE 2003)
A framework for deriving semantic web services
Information Systems Frontiers
Performance metrics and ontologies for Grid workflows
Future Generation Computer Systems
Enterprise application reuse: Semantic discovery of business grid services
Information Technology and Management
Semantic Web Service Architecture for Simulation Model Reuse
DS-RT '07 Proceedings of the 11th IEEE International Symposium on Distributed Simulation and Real-Time Applications
A survey on web services composition
International Journal of Web and Grid Services
MOQ: Web services ontologies for QoS and general quality evaluations
International Journal of Metadata, Semantics and Ontologies
A comprehensive quality model for service-oriented systems
Software Quality Control
Management applications of the Web Service Offerings Language (WSOL)
Information Systems - Special issue: The 15th international conference on advanced information systems engineering (CAiSE 2003)
Management applications of the web service offerings language (WSOL)
CAiSE'03 Proceedings of the 15th international conference on Advanced information systems engineering
Modeling and negotiating service quality
Service research challenges and solutions for the future internet
Preserving consistency in distributed embedded collaborative editing systems
ICESS'04 Proceedings of the First international conference on Embedded Software and Systems
A survey on service quality description
ACM Computing Surveys (CSUR)
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Formal specification of various constraints, including quality of service (QoS) and price, is very important for successful dynamic (i.e., runtime) composition of Web Services. For specification of these constraints, it is important to formally define QoS metrics, measurement units, and currency units used. Ontologies provide a mechanism for such formal definition. In this paper we discuss some requirements for ontologies that can be used in representing QoS constraints and in management of Web Services, with special focus on QoS metrics, measurement units, and currency units. Particularly, we emphasize the need for the formal representation of dependencies and relationships between QoS metrics, even when such information seems redundant. Our study of existing ontologies showed that they need further work to satisfy our requirements. We also state the need for independent, third-party Web Services for ontological translations between different QoS metrics, measurement units, and currencies.