181 search results - page 16 / 37 » A Case Study in Access Control Requirements for a Health Inf... |
SACMAT
2006
ACM
14 years 1 months ago
2006
ACM
Separation of Duty (SoD) is widely recognized to be a fundamental principle in computer security. A Static SoD (SSoD) policy states that in order to have all permissions necessary...
CCS
2006
ACM
13 years 11 months ago
2006
ACM
Traditional security policies largely focus on access control requirements, which specify who can access what under what circumstances. Besides access control requirements, the av...
PRESENCE
1998
13 years 7 months ago
1998
We present a virtual environment application that allows users to access embedded information within an immersive virtual space. Due to the richness and complexity of this environ...
VLDB
1998
ACM
13 years 12 months ago
1998
ACM
Numerous applications such as stock market or medical information systems require that both historical and current data be logically integrated into a temporal database. The under...
SACMAT
2006
ACM
14 years 1 months ago
2006
ACM
We introduce the concept, model, and policy-specific algorithms for inferring new access control decisions from previous ones. Our secondary and approximate authorization model (...