216 search results - page 34 / 44 » Policy Analysis for Administrative Role Based Access Control |
COLCOM
2007
IEEE
14 years 1 months ago
2007
IEEE
—In an ad-hoc collaborative sharing environment, attribute-based access control provides a promising approach in defining authorization over shared resources based on users’ p...
ICDE
2008
IEEE
14 years 9 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...
CCS
2006
ACM
13 years 11 months ago
2006
ACM
The usage control (UCON) model was introduced as a unified approach to capture a number of extensions for traditional access control models. While the policy specification flexibi...
CONCUR
2001
Springer
14 years 2 days ago
2001
Springer
The paper gives an assessment of security for Mobile Ambients, with specific focus on mandatory access control (MAC) policies in multilevel security systems. The first part of th...
DGO
2000
13 years 9 months ago
2000
The massive amount of statistical and text data available from government agencies has created a set of daunting challenges to both research and analysis communities. These proble...