A Group-based Authorization Model for Cooperative Systems


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Sikkel, Klaas (1997) A Group-based Authorization Model for Cooperative Systems. In: 5th European Conference on Computer Supported Cooperative Work, ECSCW 1997, 7-11 September 1997, Lancaster, UK (pp. pp. 345-360).

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Abstract:Requirements for access control in CSCW systems have often been stated, but groupware in use today does not meet most of these requirements. There are practical reasons for this, but one of the problems is the inherent complexity of sophisticated access control models. We propose a general authorization model that emphasizes conceptual simplicity and show that several issues - in particular negative access rights and delegation of rights - can be solved elegantly in this model.
Item Type:Conference or Workshop Item
Copyright:© 1997 Kluwer Academic
Faculty:
Electrical Engineering, Mathematics and Computer Science (EEMCS)
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Link to this item:http://purl.utwente.nl/publications/64867
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