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WS-BPEL processes can facilitate service discovery when the services have multiple interfaces in certain order. Current approaches derive the abstract WS-BPEL processes directly from the corresponding executable ones by hiding or omitting the internal activities. However, these simple approaches may prevent the services from being found by valuable potential partners at service discovery stage. To...
In services and cloud computing, processes need to be continually adapted to changing environments and requirements. Undisciplined process adaptation could easily lead to data flow anomalies, e.g., input missing for some activities in the process. In this paper, we study the problem of data-flow-correctness-preserving adaptation and propose three important criteria that can maintain the data flow...
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...
With the component-based development becoming the mainstream of software development, original component technologies focusing on describing the static information of components like interfaces and interactions seems to be weak in today's distributed and open software environment. In this paper we propose a new component model with component's behavior introduced in, supporting a flexible and extendable...
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