229 search results - page 28 / 46 » Set Covering Problems in Role-Based Access Control |
ITICSE
2004
ACM
14 years 1 months ago
2004
ACM
User Mode Linux is a virtual machine running on a GNULinux operating system. It is the right choice for teaching operating systems’ administration, as it does not need any dedic...
CCS
2009
ACM
14 years 2 months ago
2009
ACM
Modern computer systems permit users to access protected information from remote locations. In certain secure environments, it would be desirable to restrict this access to a part...
ICDE
2008
IEEE
14 years 9 months ago
2008
IEEE
We study the problem of auditing a batch of SQL queries: Given a forbidden view of a database that should have been kept confidential, a batch of queries that were posed over this ...
ICC
2007
IEEE
14 years 2 months ago
2007
IEEE
Abstract—In this paper we study the problem of providing shortterm access time fairness in wireless communication systems with multimedia services, while still maintaining high s...
WOWMOM
2006
ACM
14 years 1 months ago
2006
ACM
Recently there is an increasing interest in using directional antennas and multi-channel for Ad-hoc wireless networks. Directional antennas provide higher capacity and less multi-...