109 search results - page 21 / 22 » Concurrent and Real-Time Update of Access Control Policies |
SSD
2009
Springer
13 years 12 months ago
2009
Springer
The standard database mechanisms for concurrency control, which include transactions and locking protocols, do not provide the support needed for updating complex geographic data i...
CSCW
2000
ACM
13 years 9 months ago
2000
ACM
WebSplitter symbolizes the union of pervasive multi-device computing and collaborative multi-user computing. WebSplitter provides a unified XML framework that enables multi-device...
CCS
2008
ACM
13 years 7 months ago
2008
ACM
In extraordinary situations, certain individuals may require access to information for which they are not normally authorized. For example, to facilitate rescue of people trapped ...
EDBT
2009
ACM
13 years 9 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...
SIGMOD
2005
ACM
14 years 5 months ago
2005
ACM
Many cluster based replication solutions have been proposed providing scalability and fault-tolerance. Many of these solutions perform replica control in a middleware on top of th...