27 search results - page 4 / 6 » Risk Analysis in Access Control Systems Based on Trust Theor... |
ICIAR
2010
Springer
13 years 11 months ago
2010
Springer
Two-factor authentication has been introduced in order to enhance security in authentication systems. Different factors have been introduced, which are combined for means of contr...
CCS
2006
ACM
13 years 10 months ago
2006
ACM
Traditional security policies largely focus on access control requirements, which specify who can access what under what circumstances. Besides access control requirements, the av...
ADC
2009
Springer
14 years 27 days ago
2009
Springer
Access control has been studied for sometime, and there are a number of theories and techniques for handling access control for single or centralised systems; however, unique and ...
SIGMETRICS
2008
ACM
13 years 6 months ago
2008
ACM
We consider a wireless collision channel, shared by a finite number of mobile users who transmit to a common base station using a random access protocol. Mobiles are selfoptimizin...
TASE
2008
IEEE
13 years 6 months ago
2008
IEEE
In this paper we deal with the problem of modeling railway networks with Petri nets so as to apply the theory of supervisory control for discrete event systems to automatically de...