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SACMAT
2009
ACM
15 years 11 months ago
A formal framework to elicit roles with business meaning in RBAC systems
The role-based access control (RBAC) model has proven to be cost effective to reduce the complexity and costs of access permission management. To maximize the advantages offered...
Alessandro Colantonio, Roberto Di Pietro, Alberto ...
SSD
1999
Springer
106views Database» more  SSD 1999»
15 years 10 months ago
XZ-Ordering: A Space-Filling Curve for Objects with Spatial Extension
There is an increasing need to integrate spatial index structures into commercial database management systems. In geographic information systems (GIS), huge amounts of information ...
Christian Böhm, Gerald Klump, Hans-Peter Krie...
SIGMOD
1993
ACM
163views Database» more  SIGMOD 1993»
15 years 10 months ago
The LRU-K Page Replacement Algorithm For Database Disk Buffering
This paper introduces a new approach to database disk buffering, called the LRU–K method. The basic idea of LRU–K is to keep track of the times of the last K references to pop...
Elizabeth J. O'Neil, Patrick E. O'Neil, Gerhard We...
ACSAC
2009
IEEE
15 years 10 months ago
Justifying Integrity Using a Virtual Machine Verifier
Emerging distributed computing architectures, such as grid and cloud computing, depend on the high integrity execution of each system in the computation. While integrity measuremen...
Joshua Schiffman, Thomas Moyer, Christopher Shal, ...
ATAL
2007
Springer
15 years 10 months ago
Resolving conflict and inconsistency in norm-regulated virtual organizations
Norm-governed virtual organizations define, govern and facilitate coordinated resource sharing and problem solving in societies of agents. With an explicit account of norms, openn...
Wamberto Weber Vasconcelos, Martin J. Kollingbaum,...
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