2012 | OriginalPaper | Buchkapitel
Constrains-Aware Web Service Composition Optimization Based on TTPN
verfasst von : Juan Wang, Xianwen Fang, Xin Gao
Erschienen in: Advances in Computer, Communication, Control and Automation
Verlag: Springer Berlin Heidelberg
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A global constraint is independent if the values that should be assigned to all the remaining restricted attributes can not be uniquely determined once a value is assigned to one. To solve the problem, the Trust Time Petri net (TTPN) is used to model it, then a optimization algorithm is presented in order to local the optimal legal firing sequences in TTPN model on the basic idea of analyzing the minimal cycle time in the TTPN, so that the optimal Web service composition is obtained. Finally, the experiments show that this method has both lower time consuming and more optimal solution.