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Title: Run-Time Resolution of Service Property Conflicts in Web Service Composition
Authors: Xu, J.
Ning, X.
Reiff-Marganiec, Stephan
Duan, Q.
Zheng, Z.
First Published: 2016
Publisher: Inderscience
Citation: International Journal of Web and Grid Services (Accepted, In Press)
Abstract: With rapid development of Web service technologies, service composition has become a common approach to realizing complex business processes. Due to the large number of services developed and deployed independently by various providers, undesirable interactions between properties of different service components may occur when they are composed into a composite service. Such service property conflicts become a serious obstacle for service composition to meet users' requirements. Although traditional feature interaction techniques may prevent some property conflicts in service design stage, many conflicts occur during execution based on certain run-time data; therefore must be resolved online. In this paper, we propose a scheme to address the problem of run-time resolution of service property conflicts. We first formulate the conflict resolution problem with a bi-objective optimization model based on user's revenue, which represents the QoS and success rate of a service. Then we solve the bi-objective optimization model to obtain a set of Pareto solutions and rank the solutions to identify the optimal one, which gives the best roll back strategy and alternative service plan for resolving a service property conflict. We also implement the proposed scheme in a prototype of online shopping application and evaluate performance of the scheme through experiments. The obtained experimental results indicate that our scheme is effective and efficient in resolving service property conflicts at runtime.
ISSN: 1741-1106
eISSN: 1741-1114
Embargo on file until: 1-Jan-10000
Version: Post-print
Status: Peer-reviewed
Type: Journal Article
Rights: Copyright © 2016 Inderscience. All rights reserved. The file associated with this record is distributed after the end of the embargo period under the Creative Commons “Attribution Non-Commercial No Derivatives” licence, further details of which can be found via the following link:
Description: The file associated with this record is under a 6-month embargo from publication in accordance with the publisher's self-archiving policy. The full text may be available through the publisher links provided above.
Appears in Collections:Published Articles, Dept. of Computer Science

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