427 search results - page 73 / 86 » Implementing Real-Time Update of Access Control Policies |
EDBT
2009
ACM
13 years 11 months ago
2009
ACM
In a database system, disclosure of confidential private data may occur if users can put together the answers of past queries. Traditional access control mechanisms cannot guard a...
VLDB
1997
ACM
13 years 11 months ago
1997
ACM
We present a design for multi-version concurrency control and recovery in a main memory database, and describe logical and physical versioning schemes that allow read-only transac...
WETICE
2003
IEEE
14 years 26 days ago
2003
IEEE
Collaboration over the Internet depends on the ability of the members of a group to exchange data in a secure yet unobtrusive manner. WebDAVA is a system that allows users to de�...
ACSAC
2001
IEEE
13 years 11 months ago
2001
IEEE
The distributed firewall is an important new line of network defense. It provides fine-grained access control to augment the protections afforded by the traditional perimeter fire...
NDSS
2002
IEEE
14 years 15 days ago
2002
IEEE
In this paper we present PAMINA (Privilege Administration and Management INfrAstructure), a privilege management system using authorization certificates. Our system supports distr...