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Graph-based access control
Graph-based access control (GBAC) is a declarative way to define access rights, task assignments, recipients and content in information systems. The access rights are granted to objects like files or documents, but also business objects like an account. It can also be used for the assignment of agents to tasks in workflow environments. Organizations are modeled as a specific kind of semantic graph comprising the organizational units, the roles and functions as well as the human and automatic agents (i.a. persons, machines). Compared to other approaches like role-based access control or attribute-based access control, the main difference is that in GBAC access rights are defined using an organizational query language instead of total enumeration.
== History ==
The foundations of GBAC go back to a research project named CoCoSOrg (Configurable Cooperation System) (name = DISS>〕 ) (in English language please see ) at Bamberg University. In CoCoSOrg an organization is represented as a semantic graph and a formal language is used to specify agents and their access rights in a workflow environment. Within the C-Org-Project at Hof University's Institute for Information Systems ((iisys )), the approach was extended by features like separation of duty, access control in virtual organizations and subject-oriented access control.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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