摘要： 作业流是一系列任务,它由一个任务集和一个任务关系集组成,其中,任务关系集说明各任务的执行顺序。该文在给出作业流定义的基础上,提出了一种基于作业流Petri网描述的访问控制机制,并介绍了该机制的实现。

关键词: 作业流, 任务, 访问控制, Petri网

Abstract: A workflow is defined as a compound task that is composed of a set of tasks and a set of intertask dependencies associated with it, which specifies the order of task execution. In this paper, the definition of workflows is given and the access control based on the specification of workflows by Petri net is proposed, then the realization of the mechanisms is introduced.

中图分类号: 

• TP315