Ruiqiang Yu

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Web service composition has become the optimum technique for Service Oriented Architecture applications because it provides a way to obtain value-added services by combining several Web services. One key issue is that service composition must meet user’s deadline requirements. In this paper we focus our attention on modeling and analyzing time-related(More)
Time Petri net and timed Petri net, in which transactions are constrained with time info, are widely used in task scheduling and performance analysis, whereas they are not effective enough for project performance analysis. Timing constraint Petri net (TcPN for short) is proposed in which places are endued with time delaying domain and time persisting domain(More)
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