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== History ==
The foundations of GBAC go back to a research project named CoCoSOrg (Configurable Cooperation System) [<ref>{{cite book|last1=Schaller|first1=Thomas|title=Organisationsverwaltung in CSCW-Systemen|date=1998|publisher=Bamberg University|___location=Bamberg}}</ref>] (in English language please see <ref>{{cite book|last1=Lawall, Schaller, Reichelt|title=Enterprise Architecture: A Formalism for Modelling Organizational Structures in Information Systems|date=2014|publisher=Enterprise and Organizatinal Modeling and Simulation: 10th International Workshop CAiSE2014|___location=Thessaloniki}}</ref>) where the organization graph and a formal language was used to specify agents and their access rights in a workflow environment. Within the project COrg the approach was extended by features like separation of duty, access control in virtual organizations [<ref>{{cite journal|last1=Lawall, Schaller, Reichelt|title=Restricted Relations between Organizations for Cross-Organizational Processes|journal=IEEE 16th Conference on Business Informatics (CBI),Geneva|date=2014|pages=74-80}}] [<\ref> and subject-oriented access control <ref>{{cite book|last1=Lawall, Schaller, Reichelt|title=S-BPM in the Wild: Role and Rights Management|date=2015|publisher=Springer|___location=Berlin|isbn=978-3-319-17541-6|pages=171-186|edition=1}}</ref>].
== Definition ==
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