Sciweavers

3274 search results - page 47 / 655
» Access Support in Object Bases
Sort
View
184
Voted
IPCCC
2007
IEEE
15 years 10 months ago
Applications of the Oriented Permission Role-Based Access Control Model
Role-based access control and role hierarchies have been the subject of considerable research in recent years. In this paper, we consider three useful applications of a new role-b...
Liang Chen, Jason Crampton
120
Voted
VTC
2008
IEEE
107views Communications» more  VTC 2008»
15 years 10 months ago
Channel Code Division Multiple Access and its Multilevel Structured LDPC Based Instantiation
— In this paper, we introduce and outline the concept of Channel Code Division Multiple Access (CCDMA) using a design example based on the recently proposed Multilevel Structured...
Nicholas Bonello, Rong Zhang, Sheng Chen, Lajos Ha...
127
Voted
ICC
2007
IEEE
120views Communications» more  ICC 2007»
15 years 10 months ago
Contention-Based Medium Access Control with Physical Layer Assisted Link Differentiation
— In this paper, we develop contention-based medium access control (MAC) schemes for both best-effort data transmissions and delay-sensitive multimedia transmissions over WLANs. ...
Fanglei Sun, Victor O. K. Li, Zhifeng Diao, Zhengy...
128
Voted
ESCIENCE
2006
IEEE
15 years 9 months ago
CIMA Based Remote Instrument and Data Access: An Extension into the Australian e-Science Environment
The Common Instrument Middleware Architecture (CIMA) is being used as a core component of a portal based remote instrument access system being developed as an Australian e-Science...
Ian M. Atkinson, Douglas du Boulay, Clinton Chee, ...
143
Voted
UML
2005
Springer
15 years 9 months ago
A Formal Enforcement Framework for Role-Based Access Control Using Aspect-Oriented Programming
Many of today’s software applications require a high-level of security, defined by a detailed policy and attained via mechanisms such as role-based access control (RBAC), mandat...
Jaime A. Pavlich-Mariscal, Laurent Michel, Steven ...