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首页> 外文会议>International Conference on Information and Communications Security(ICICS 2004); 20041027-29; Malaga(ES) >A Secure Workflow Model Based on Distributed Constrained Role and Task Assignment for the Internet
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A Secure Workflow Model Based on Distributed Constrained Role and Task Assignment for the Internet

机译：基于分布式约束角色和Internet任务分配的安全工作流模型

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摘要

A new Workflow Management System (WFMS) model is presented, that uses a Trust Establishment framework. This new model enables creating dynamic user-role assignment where not all users are known in advance. Thus it can fit into dynamic environments where new users are added, or credentials of existing users are revoked, like on the Web. The model is composed of three distributed agents called Credentials Collector, Role Manager and Task Manager that communicate with each other. The Credentials Collector is responsible for collecting all the needed credentials in order to allow membership of a user in a role, the Role Manager is required to find a suitable user-role assignment which satisfy role assignment constraints, and the Task Manager has to find an assignment of users/roles to tasks which satisfy the workflow constraints. The agents use constraint processing to solve their respective problems, and also attempt to achieve an optimized solution.
机译：提出了使用信任建立框架的新工作流管理系统（WFMS）模型。这种新模型可以创建动态用户角色分配，而并非事先知道所有用户。因此，它可以适应添加新用户或撤消现有用户凭据的动态环境，例如在Web上。该模型由彼此通信的三个分布式代理（称为凭据收集器，角色管理器和任务管理器）组成。凭据收集器负责收集所有必需的凭据，以允许用户成为角色成员；角色管理器必须找到满足角色分配约束的合适的用户角色分配，任务管理器必须找到一个将用户/角色分配给满足工作流程约束的任务。代理使用约束处理来解决他们各自的问题，并尝试获得优化的解决方案。

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