A permission inheritance mechanism based on function associations is proposed to address the widespread and long-stand issue of repetitive authorizations among tasks in active authorization management models and to enhance the authorization scalability in workflow systems. The definition of function association with specialization and management relations is given by analyzing the traditional relation of role-task assignment. Inference rules about the two relations on function associations are obtained from the components and attributes of function associations
then authorizations are divided into two types of business and management based on the inheritance on the two relations. Thus auto-configurable authorization inheritance structures are established. Comparisons with existing models for a paper review workflow show that authorization operations are reduced by more than 53% with only 10% or less extra manual operations. Therefore
repetitive authorizations among tasks are effectively reduced
and distinct superiority in authorization scalability is achieved. Meanwhile
the collaboration of multiple roles within a task can be supported.
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references
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