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== History ==
The foundations of GBAC go back to a research project named CoCoSOrg (Configurable Cooperation System) [<ref name = DISS>{{cite book|last1=Schaller|first1=Thomas|title=Organisationsverwaltung in CSCW-Systemen - Dissertation|date=1998|publisher=Bamberg University|___location=Bamberg}}</ref>] (in English language please see <ref name = EOMAS>{{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>) 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 ([http://www.iisys.de/en/research/research-groups/information-management.html iisys]), 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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