798 search results - page 20 / 160 » Comparing the expressive power of access control models |
CSREASAM
2007
13 years 9 months ago
2007
- Context-based access control is an emerging approach for modeling adaptive solution, making access control management more flexible and powerful. However, these strategies are in...
CONCUR
2004
Springer
13 years 11 months ago
2004
Springer
Abstract. We unify a view on three extensions of Process Rewrite Systems (PRS) and compare their expressive power with that of PRS. We show that the class of Petri nets is less exp...
GLOBECOM
2007
IEEE
14 years 1 months ago
2007
IEEE
— The problem of non-cooperative power control is studied for wireless ad hoc networks supporting data services. We develop a maximum throughput based non-cooperative power contr...
ICC
2008
IEEE
14 years 2 months ago
2008
IEEE
— Directional antennas are very attractive in Wireless Mesh Networks (WMN). We study the problem of link scheduling and power control in a Time-Division Multiple Access (TDMA) WM...
PERCOM
2007
ACM
14 years 7 months ago
2007
ACM
Access control to sensitive resources in pervasive computing needs to take uncertainty into account. Previous research has developed uncertainty-aware access-control models for en...