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» Policies, Models, and Languages for Access Control
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SACMAT
2009
ACM
14 years 2 months ago
Towards formal security analysis of GTRBAC using timed automata
An access control system is often viewed as a state transition system. Given a set of access control policies, a general safety requirement in such a system is to determine whethe...
Samrat Mondal, Shamik Sural, Vijayalakshmi Atluri
DRM
2003
Springer
14 years 26 days ago
Experiences with the enforcement of access rights extracted from ODRL-based digital contracts
In this paper, we present our experiences concerning the enforcement of access rights extracted from ODRL-based digital contracts. We introduce the generalized Contract Schema (Co...
Susanne Guth, Gustaf Neumann, Mark Strembeck
SACMAT
2003
ACM
14 years 27 days ago
An approach to engineer and enforce context constraints in an RBAC environment
This paper presents an approach that uses special purpose RBAC constraints to base certain access control decisions on context information. In our approach a context constraint is...
Gustaf Neumann, Mark Strembeck
AINA
2009
IEEE
14 years 2 months ago
Enabling Mobility between Context-Aware Smart Spaces
This paper presents “ConServ1 ”, a web service for context management. ConServ allows smart spaces to access user’s context data according to user-defined policies. This we...
Gearoid Hynes, Vinny Reynolds, Manfred Hauswirth
EWRL
2008
13 years 9 months ago
Regularized Fitted Q-Iteration: Application to Planning
We consider planning in a Markovian decision problem, i.e., the problem of finding a good policy given access to a generative model of the environment. We propose to use fitted Q-i...
Amir Massoud Farahmand, Mohammad Ghavamzadeh, Csab...