Semantic-Aware Service Quality Negotiation

Authors:
Marco Comuzzi;Kyriakos Kritikos;Pierluigi Plebani
Affiliations:
Dipartimento di Elettronica e Informazione, Politecnico di Milano, Milano, Italy 20133;Institute of Computer Science, FORTH, Heraklion, Greece;Dipartimento di Elettronica e Informazione, Politecnico di Milano, Milano, Italy 20133
Venue:
ServiceWave '08 Proceedings of the 1st European Conference on Towards a Service-Based Internet
Year:
2008

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Abstract

The goal of Web service (WS) discovery is to select WSs that satisfy both the users' functional and non functional requirements. Focusing on non functional requirements, a matchmaking algorithm usually takes place to verify if the quality offered by the WS provider overlaps the quality requested by the user. Since quality, in a provider perspective, is costly, a further step, a negotiation, should be performed to identify a mutually agreed quality level. In this work, we join previous work on a semantic-based quality definition model and WS negotiation, to provide a framework enabling semantic-aware automated WS negotiation. More specifically, OWL-Q, a semantic QoS-based WS description language, is extended with appropriate negotiation concepts and properties.