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» Ontology Composition using a Role Modeling Approach
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CNIS
2006
15 years 5 months ago
STRBAC - An approach towards spatio-temporal role-based access control
The rapid emergence of GPS enabled devices, sensors and mobile equipment in commercial as well as government organizations has led to considerable research in time- and location-b...
Mahendra Kumar, Richard E. Newman
EMSOFT
2009
Springer
15 years 11 months ago
Analytic real-time analysis and timed automata: a hybrid method for analyzing embedded real-time systems
This paper advocates a strict compositional and hybrid approach for obtaining key (performance) metrics of embedded At its core the developed methodology abstracts system componen...
Kai Lampka, Simon Perathoner, Lothar Thiele
CVPR
2001
IEEE
16 years 6 months ago
Automatic Description of Buildings with Complex Rooftops from Multiple Images
We present a model-based approach to detecting and describing compositions of buildings with complex rooftops. Previous approaches have dealt with either simpler models or models ...
Zu Whan Kim, Andres Huertas, Ramakant Nevatia
SACMAT
2009
ACM
15 years 11 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
DLOG
2009
15 years 2 months ago
What Happened to Bob? Semantic Data Mining of Context Histories
We report on event recognition within the life logging application IYOUIT for the automatic creation of static diary-like Blogs. Based on the qualitative context histories produced...
Michael Wessel, Marko Luther, Ralf Möller