Conflict detection in composite web services based on model checking
by Yeon-Seok Kim; Dong-Hoon Shin; Hyun-Bae Jeon; Kyong-Ho Lee; Kee-Seong Cho; Wonjoo Park
International Journal of Web and Grid Services (IJWGS), Vol. 9, No. 4, 2013

Abstract: We propose an efficient method to detect conflicts, which may occur during the execution time of composite web services, based on model checking. The proposed method does not only check whether a composite service satisfies the correctness claims specified by a service developer, but it also detects any possible conflicts from the control and data flow of a composite service at the time of service development. The proposed method divides correctness claims into four types depending on their application time: pre/post-condition, policy, and assumption. Specifically, composite services and correctness claims are modelled by OWL-S and SWRL, respectively. The proposed method automatically converts the control and data flow of an OWL-S composite service and the correctness claims into Promela code and LTL formulas, which are given as the input of a SPIN model checker. Experimental results under real-world scenarios show that the proposed method detects conflicts in composite web services effectively.

Online publication date: Tue, 05-Nov-2013

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