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Ex-RBAC: An Extended Role Based Access Control Model for Location-aware Mobile Collaboration System

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3 Author(s)
Xiutao Cui ; East China Normal Univ., Shanghai ; Yuliang Chen ; Junzhong Gu

Role-based access control has established itself as a generalized approach for handling access control in collaboration systems. In a location-aware mobile collaboration environment, users can be restricted to assign roles only when (s)he satisfy some predefined identity and spatio-temporal constraint. To cope with these requirements, we extend the existing RBAC model and propose an extended role-based access control (Ex- RBAC) model capable of expressing identity and spatio- temporal constraints.

Published in:

Internet Monitoring and Protection, 2007. ICIMP 2007. Second International Conference on

Date of Conference:

1-5 July 2007

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