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Scientific workflow management systems and workflow patterns

机译:科学的工作流程管理系统和工作流程模式

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摘要

Scientific workflow management systems primarily consist of data flow oriented execution models, and consequently, these systems provide a limited number of control flow constructs that are represented in dissimilar ways across different scientific workflow systems. This is a problem, since the exploratory nature of scientific analysis requires the workflows to dynamically adapt to external events and control execution of different workflow components. Hence some degree of control flow is necessary. The lack of standard specifications for specifying control flow constructs in scientific workflow management systems leads to workflows designed using custom developed components with almost no reusability. In this paper, we present a standard set of control flow constructs for scientific workflow management systems using workflow patterns. Firstly we compare the control flow constructs present in three scientific workflow management systems: Kepler, Taverna and Triana. Secondly these patterns are implemented in the form of a template library in Kepler. Finally, we demonstrate the use of this template library to design scientific workflows.
机译:科学工作流程管理系统主要由面向数据流的执行模型组成,因此,这些系统提供数量有限的控制流构造,这些构造在不同的科学工作流程系统中以不同的方式表示。这是一个问题,因为科学分析的探索性质要求工作流动态适应外部事件并控制不同工作流组件的执行。因此,一定程度的控制流程是必要的。在科学的工作流管理系统中缺乏用于指定控制流构造的标准规范,导致使用定制开发的组件设计的工作流几乎没有可重用性。在本文中,我们为使用工作流模式的科学工作流管理系统提供了一组标准的控制流构造。首先,我们比较了三种科学的工作流管理系统中存在的控制流构造:开普勒,酒馆和特里亚纳。其次,这些模式在Kepler中以模板库的形式实现。最后,我们演示了如何使用此模板库来设计科学的工作流程。

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  • 作者单位

    Department of Computer and Information Technology, Purdue University, 401 N. Grant Street, West Lafayette, IN 47907-1421, USA;

    Department of Computer and Information Technology, Purdue University, 401 N. Grant Street, West Lafayette, IN 47907-1421, USA;

    Department of Computer and Information Technology, Purdue University, 401 N. Grant Street, West Lafayette, IN 47907-1421, USA;

    Department of Computer and Information Technology, Purdue University, 401 N. Grant Street, West Lafayette, IN 47907-1421, USA;

    Department of Computer and Information Technology, Purdue University, 401 N. Grant Street, West Lafayette, IN 47907-1421, USA;

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  • 原文格式 PDF
  • 正文语种 eng
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  • 关键词

    scientific workflow management systems; workflow patterns;

    机译:科学的工作流程管理系统;工作流程模式;

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