12 search results - page 1 / 3 » The Role Hierarchy Mining Problem: Discovery of Optimal Role... |
ACSAC
2008
IEEE
13 years 11 months ago
2008
IEEE
Role hierarchies are fundamental to the role based access control (RBAC) model. The notion of role hierarchy is a well understood concept that allows senior roles to inherit the p...
SACMAT
2005
ACM
13 years 10 months ago
2005
ACM
With continuously growing numbers of applications, enterprises face the problem of efficiently managing the assignment of access permissions to their users. On the one hand, secur...
LCPC
2005
Springer
13 years 10 months ago
2005
Springer
The goal of this work is a systematic approach to compiler optimization for simultaneously optimizing across multiple levels of the memory hierarchy. Our approach combines compiler...
ICDE
2008
IEEE
14 years 6 months ago
2008
IEEE
Abstract-- A decomposition of a binary matrix into two matrices gives a set of basis vectors and their appropriate combination to form the original matrix. Such decomposition solut...
IV
2008
IEEE
13 years 11 months ago
2008
IEEE
This article is addressing a recurrent problem in biology: mining newly built large scale networks. Our approach consists in comparing these new networks to well known ones. The v...