Security Considerations for a Distributed LocationService
Journal of Network and Systems Management
Role-Based Access Control
Data security in location-aware applications: an approach based on RBAC
International Journal of Information and Computer Security
LoT-RBAC: a location and time-based RBAC model
WISE'05 Proceedings of the 6th international conference on Web Information Systems Engineering
Modeling location attributes using XACML-RBAC model
Proceedings of the 7th International Conference on Advances in Mobile Computing and Multimedia
Benefits of Location-Based Access Control: A Literature Study
GREENCOM-CPSCOM '10 Proceedings of the 2010 IEEE/ACM Int'l Conference on Green Computing and Communications & Int'l Conference on Cyber, Physical and Social Computing
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Location-based access control (LBAC) takes a mobile user's current position into account when making the decision if he should be allowed to access a particular resource like a file or service. For example using LBAC we can enforce that a nurse is only allowed to view a patient's data using a PDA when she stays at the premises of the hospital. There are a couple of research papers that propose data models for LBAC; almost all of them are extensions of Role-based Access Control (RBAC). In the paper at hand we first motivate the employment of LBAC by some application scenarios before we review the most important LBAC-models. Despite the body of research in the field of LBAC we could identify requirements that cannot be covered with the available models; these requirements are discussed in detail.