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2009 IEEE International Conference on Web Services (2009)
Los Angeles, CA
July 6, 2009 to July 10, 2009
ISBN: 978-0-7695-3709-2
pp: 952-958
Protocol-level mismatch is one of the most important problems in service composition. The commonly used reachability exploration method focuses on verifying deadlock-freeness. When this property is violated, the states and traces in the reachability graph only give clues to re-design the composition. The process must then repeat itself until no deadlock is found. In this paper, multiple web service interaction is modeled with a Petri net called Composition net (C-net). The protocol-level mismatch problem is transformed into the deadlock structure problem of a C-net. If mismatches are found, a solution based on Petri net siphons is proposed. The proposed method is shown to achieve higher efficiency for resolving protocol-level mismatching issues than traditional ones do.
service composition, petri nets, siphon

M. Zhou, P. Xiong and C. Pu, "A Petri Net Siphon Based Solution to Protocol-Level Service Composition Mismatches," 2009 IEEE International Conference on Web Services(ICWS), Los Angeles, CA, 2009, pp. 952-958.
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