1140 search results - page 167 / 228 » A Purpose-Based Access Control Model |
MICCAI
2004
Springer
14 years 8 months ago
2004
Springer
Abstract. This paper presents a novel method for photorealistic rendering of the bronchial lumen by directly deriving matched shading and texture parameters from video bronchoscope...
CCS
2007
ACM
14 years 2 months ago
2007
ACM
In this paper, we study the maintenance of role-based access control (RBAC) models in database environments using transitive closure relations. In particular, the algorithms that ...
ICDE
2007
IEEE
14 years 2 months ago
2007
IEEE
Separation of duties (SoD) is a key security requirement for many business and information systems. Role Based Access Controls (RBAC) is a relatively new paradigm for protecting i...
PEWASUN
2004
ACM
14 years 1 months ago
2004
ACM
This paper studies the performance of a multi-rate mobile ad hoc network (MANET) using an extended ns-2 simulator. A link adaptation algorithm is developed and tested. The multi-r...
ICPP
2002
IEEE
14 years 24 days ago
2002
IEEE
Grid computing systems that have been the focus of much research activities in recent years provide a virtual framework for controlled sharing of resources across institutional bo...