Refinement for Transition Systems with Responses

Marco Carbone, Thomas T. Hildebrandt, Gian Perrone, A. Wąsowski
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引用次数: 7

Abstract

Motivated by the response pattern for property specifications and applications within flexible workflow management systems, we report upon an initial study of modal and mixed transition systems in which the must transitions are interpreted as must eventually, and in which implementations can contain may behaviors that are resolved at run-time. We propose Transition Systems with Responses (TSRs) as a suitable model for this study. We prove that TSRs correspond to a restricted class of mixed transition systems, which we refer to as the action-deterministic mixed transition systems. We show that TSRs allow for a natural definition of deadlocked and accepting states. We then transfer the standard definition of refinement for mixed transition systems to TSRs and prove that refinement does not preserve deadlock freedom. This leads to the proposal of safe refinements, which are those that preserve deadlock freedom. We exemplify the use of TSRs and (safe) refinements on a small medication workflow.
带响应的过渡系统的改进
受灵活工作流管理系统中属性规范和应用程序的响应模式的激励,我们报告了对模态和混合转换系统的初步研究,其中必须转换被解释为必须最终,并且在其中实现可以包含在运行时解决的许多行为。我们提出了一个具有响应的过渡系统(TSRs)模型作为这个研究的合适模型。我们证明了tsr对应于一类受限的混合过渡系统,我们称之为动作确定性混合过渡系统。我们表明tsr允许对死锁状态和接受状态进行自然定义。然后,我们将混合转换系统精化的标准定义转移到tsr,并证明精化不能保持死锁自由。这导致了安全改进的建议,即那些保持死锁自由的改进。我们举例说明tsr和(安全)改进在一个小的药物工作流程中的使用。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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