1611 search results - page 2 / 323 » An Access Control Model for Video Database Systems |
MTA
2002
13 years 5 months ago
2002
Digital video databases have become more pervasive and finding video clips quickly in large databases becomes a major challenge. Due to the nature of video, accessing contents of v...
VLDB
2008
ACM
14 years 5 months ago
2008
ACM
Abstract In this article, we present a comprehensive approach for privacy preserving access control based on the notion of purpose. In our model, purpose information associated wit...
JOT
2006
13 years 5 months ago
2006
Many data base applications require the storage and manipulation of different versions of data objects. To satisfy the diverse needs of these applications, current database system...
CIKM
2005
Springer
13 years 11 months ago
2005
Springer
XML documents are frequently used in applications such as business transactions and medical records involving sensitive information. Typically, parts of documents should be visibl...
SACMAT
2004
ACM
13 years 11 months ago
2004
ACM
In order to provide a general access control methodology for parts of XML documents, we propose combining rolebased access control as found in the Role Graph Model, with a methodo...