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首页> 外文会议>International Workshop on Web Services >Development Life Cycle of Web Service-based Business Processes. Enabling Dynamic Invocation of Web Services at Run Time
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Development Life Cycle of Web Service-based Business Processes. Enabling Dynamic Invocation of Web Services at Run Time

机译：基于Web服务的业务流程的开发生命周期。在运行时启用Web服务的动态调用

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Web service technology aims at application integration by providing stable service interfaces and standardized communication protocol. However, this is not yet a mature technology; it lacks certain features, among which ability to compose services in the most flexible way. We begin with a comparison of traditional workflow and the existing Web Services-based process technologies; the advantages of the emerging technologies and how they meet the new requirements imposed by both the business and Web services worlds are pointed out. We revise the process life cycle by including additional phases to the traditional division in only build time and run time. This fosters standardization, and allows for modeling adaptable business processes. We concentrate on the dynamic invocation of WSs from within a process instance and present a new way of finding, binding to and invoking WSs during process runtime. For this we introduce an additional run time sub-phase to accommodate the so-called "find and bind" mechanism, which involves policy-based selection of services and binding to them at run time. The implications of the "find and bind" mechanism on the process model and the implementation of the execution environment are also discussed.
机译：Web服务技术通过提供稳定的服务接口和标准化通信协议来实现应用程序集成。但是，这还没有成熟的技术;它缺乏某些功能，其中能够以最灵活的方式构成服务。我们从传统工作流程的比较开始，以及现有的基于Web服务的过程技术;新兴技术的优势以及如何符合业务和Web服务世界所强加的新要求。我们在仅建造时间和运行时间内将额外的阶段包括额外阶段来修改流程生命周期。这一促进标准化，并允许建模适应性的业务流程。我们专注于从流程实例中的WSS动态调用，并在进程运行时呈现新的查找，绑定和调用WSS的新方法。为此，我们介绍了一个额外的运行时间子阶段，以适应所谓的“查找和绑定”机制，这涉及基于策略的服务选择，并在运行时绑定它们。还讨论了“查找和绑定”机制对过程模型的影响和执行环境的实现。

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