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Timed properties are an important quality criterion in Business-to-Business (B2B) Web service compositions. To guarantee the correctness of these compositions, the deadlock freeness as well as some non-functional properties such as timed constraints should be satisfied. Since there are some recent research efforts concerning the correctness of service composition from the structural and behavioral...
The execution time, an important criterion to measure the quality of a BPEL process, can be influenced by some slow external partner services (i.e., some long-running services). Therefore, it is desirable to specify response time of services into the SLAs (service level agreements). In this way, service consumers could verify whether the candidate services satisfy the expected time requirements before...
The development of service-oriented applications grows rapidly these years and gains more and more attention both from industry and from academe. Service-oriented applications are assembled from building blocks called service components whose profiles are defined by service specifications. When the dynamic changes happen in the service-oriented architectures, the service discovery and substitution...
PSEE (process-centered software engineering environment) can manage and monitor software process. Software process modeling language is a core element in PSEE system. Software process model includes multiple views: activity view, product view and role view. According to the similarity between multi-view software process modeling and object Petri nets, this paper proposes the MOPN-SP-net model which...
Facing changing environments and evolving business rules, composite services ought to be adaptable, even at run-time. Existing mainstream service composition languages and execution engines exhibit insufficient support for variability and adaptability to cater for dynamic changes. Research efforts have been put on the extension of the languages and argumentation of the engines. However, how to ensure...
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