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An Access Control Model of Workflow System Integrating RBAC and TBAC

IFIP International Federation for Information Processing
Publication Date
  • Economics


Basing on the integration of two models, RBAC and TBAC, an access control model called Role-Task Based Access Control (R&TBAC) is given, which takes two parts as combining sites, one is the role and trustee, the other is the role permission assignment and trustee permissions. A set of fundamental conceptions, a series of authorization processes, a formalized description and some modeling tools about this model are given. This model has both intuitionistic and dynamic characteristics. It also has some other advantages, such as economical for memory space, convenient to maintain and control etc. Full Text at Springer, may require registration or fee

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