Probabilistic reasoning in intelligent systems: networks of plausible inference
Probabilistic reasoning in intelligent systems: networks of plausible inference
The active badge location system
ACM Transactions on Information Systems (TOIS)
Essentials of artificial intelligence
Essentials of artificial intelligence
Supporting relationships in access control using role based access control
RBAC '99 Proceedings of the fourth ACM workshop on Role-based access control
Configuring role-based access control to enforce mandatory and discretionary access control policies
ACM Transactions on Information and System Security (TISSEC)
EW 9 Proceedings of the 9th workshop on ACM SIGOPS European workshop: beyond the PC: new challenges for the operating system
Zero-interaction authentication
Proceedings of the 8th annual international conference on Mobile computing and networking
Using Spatial Co-location for Coordination in Ubiquitous Computing Environments
HUC '99 Proceedings of the 1st international symposium on Handheld and Ubiquitous Computing
Cerberus: A Context-Aware Security Scheme for Smart Spaces
PERCOM '03 Proceedings of the First IEEE International Conference on Pervasive Computing and Communications
A Comparison of Bayesian and Belief Function Reasoning
Information Systems Frontiers
Network Security
The UCONABC usage control model
ACM Transactions on Information and System Security (TISSEC)
MEBN: A language for first-order Bayesian knowledge bases
Artificial Intelligence
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This paper introduces a model for invisible security. Our model provides an unobtrusive multi-factor authentication and context-aware authorization based on a probabilistic approach that takes into account social relationships and natural behaviors of the user, such as sharing objects or borrowing credentials as a form of access delegation. We believe the traditional model with sequential authentication, authorization and accounting modules is not suitable for smart spaces. Instead we propose a "probabilistic-spiral" model that can be as dynamic as the space itself.