13717 search results - page 409 / 2744 » Control Systems |
137
Voted
SACMAT
2003
ACM
15 years 10 months ago
2003
ACM
A Generalized Temporal Role Based Access Control (GTRBAC) model that captures an exhaustive set of temporal constraint needs for access control has recently been proposed. GTRBACâ...
151
click to vote
IEEEARES
2008
IEEE
15 years 11 months ago
2008
IEEE
Emerging models for context-aware role-based access control pose challenging requirements over policy administration. In this paper we address the issues raised by the decentraliz...
122
click to vote
GLOBECOM
2006
IEEE
15 years 11 months ago
2006
IEEE
— Existing tone-reservation algorithms (such as the controlled clipper algorithm) for OFDM require a number of iterations to ensure the reduction of Peak-to-Average Power Ratio (...
156
Voted
WAIM
2000
Springer
15 years 8 months ago
2000
Springer
In this paper, a locking-based concurrency control scheme is presented for object-oriented databases (OODBs). It is designed for controlling accesses to class hierarchy, which is ...
128
Voted
ENGL
2007
15 years 5 months ago
2007
— This paper proposes the use of a controlled assistive device, aimed as a support for the impaired individuals to allow a limited ambulatory function. The aim of the overall pro...