Automatically assigned DDC number: 0058

Manually assigned DDC number: 0058

Number of references: 8

Title: A Flexible Model Supporting the Specification and Enforcement of Role-based Authorizations in Workflow Management Systems

Author:

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Subject: Elisa Bertino,Elena Ferrari,Vijayalakshmi Atluri A Flexible Model Supporting the Specification and Enforcement of Role-based Authorizations in Workflow Management Systems

Description: In recent years, workflow management systems (WFMSs) have gained popularity both in research as well as in commercial sectors. WFMSs are used to coordinate and streamline business processes of an organization. Often, very large WFMSs are used in organizations with users in the range of several thousands and number of process instances in the range of tens of thousands. To simplify the complexity of security administration, it is a common practice in many business organizations to allocate a role to perform each activity in the process and then assign one or more users to each role, and granting an authorization to roles rather than to users. Typically the security policies of the organization are expressed as constraints on users and roles. a well-known constraint is separation of duties. Unfortunately, current role-based access control models are not adequate to model such constraints. To address this issue, in this paper, (1) we present a language to express authorization constraints...

Contributor: The Pennsylvania State University CiteSeer Archives

Publisher: unknown

Date: 1997-09-09

Pubyear: 1997

Format: ps

Identifier: http://citeseer.ist.psu.edu/152324.html

Source: http://cimic.rutgers.edu/~atluri/rbac.ps

Language: en

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Rights: unrestricted

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