A location aware role and attribute based access control system
Proceedings of the 16th ACM SIGSPATIAL international conference on Advances in geographic information systems
The research for spatial role-based access control model
ICCSA'10 Proceedings of the 2010 international conference on Computational Science and Its Applications - Volume Part IV
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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 spatiotemporal constraints.