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On the Completion of Workflows

机译:关于工作流程的完成

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摘要

Workflow Management Systems (WFMS) coordinate execution of logically related multiple tasks in an organization. A workflow schema is denned using a set of tasks that are coordinated using dependencies. Workflows instantiated from the same schema may differ with respect to the tasks executed. An important issue that must be addressed while designing a workflow is to decide what tasks are needed for the workflow to complete - we refer to this set as the completion set. Since different tasks are executed in different workflow instances, a workflow schema may be associated with multiple completion sets. Incorrect specification of completion sets may prohibit some workflow from completing. Manually generating these sets for large workflow schemas can be an error-prone and tedious process. Our goal is to automate this process. We investigate the factors that affect the completion of a workflow. Specifically, we study the impact of control-flow dependencies on completion sets and show how this knowledge can be used for automatically generating these sets. Finally, we provide an algorithm that can be used by application developers to generate the completion sets associated with a workflow schema.
机译:工作流管理系统(WFMS)协调组织中逻辑相关的多个任务的执行。使用通过依赖关系进行协调的一组任务来定义工作流模式。从相同架构实例化的工作流可能在执行的任务方面有所不同。设计工作流时必须解决的一个重要问题是,决定完成工作流需要哪些任务-我们将此集称为完成集。由于不同的任务在不同的工作流实例中执行,因此工作流方案可以与多个完成集相关联。完成集规范不正确可能会阻止某些工作流完成。手动为大型工作流程模式生成这些集合可能是一个容易出错且繁琐的过程。我们的目标是使这一过程自动化。我们调查影响工作流程完成的因素。具体来说,我们研究了控制流依赖性对完成集的影响,并展示了如何将这些知识用于自动生成这些集。最后,我们提供了一种算法,应用程序开发人员可以使用该算法来生成与工作流模式相关联的完成集。

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