Sciweavers

4445 search results - page 185 / 889
» Reflective Authorization Systems
Sort
View
COMPSAC
2001
IEEE
15 years 10 months ago
Designing Role Hierarchies for Access Control in Workflow Systems
he correspondence between the role abstraction in Role-based Access Control (RBAC) and the notion of organizational positions, it seems easy to construct role hierarchies. This is...
Reinhardt A. Botha, Jan H. P. Eloff
SE
2010
15 years 8 months ago
Multi-Level Test Models for Embedded Systems
Abstract: Test methodologies for large embedded systems fail to reflect the test process as a whole. Instead, the test process is divided into independent test levels feaifferences...
Abel Marrero Pérez, Stefan Kaiser
PDCN
2004
15 years 8 months ago
Design and implementation of a network simulation system
In this paper, an efficient tool has been designed and implemented to design and analyze the communication networks. A network simulator in software is valuable for network manage...
Jae-Weon Choi, Man-Hui Lee
TWC
2008
172views more  TWC 2008»
15 years 6 months ago
A Software-Defined Radio System for Backscatter Sensor Networks
Backscatter radio is proposed for sensor networks. In that way, the transmitter for each sensor is simplified to a transistor connected to an antenna and therefore, the cost for ea...
Giovanni Vannucci, Aggelos Bletsas, Darren Leigh
TWC
2008
113views more  TWC 2008»
15 years 6 months ago
PHY-layer Fairness in Amplify and Forward Cooperative Diversity Systems
We deal with the concept of physical-layer fairness in amplify and forward cooperative diversity systems, which reflects the need for equally allocating the consumed power among th...
Diomidis S. Michalopoulos, George K. Karagiannidis