45 search results - page 8 / 9 » Obfuscated databases and group privacy |
CCS
2007
ACM
14 years 1 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 ...
EDBT
2008
ACM
14 years 7 months ago
2008
ACM
Microaggregation is one of the most employed microdata protection methods. The idea is to build clusters of at least k original records, and then replace them with the centroid of...
GIS
2006
ACM
13 years 7 months ago
2006
ACM
This paper tackles a major privacy threat in current location-based services where users have to report their exact locations to the database server in order to obtain their desir...
OOPSLA
1998
Springer
13 years 11 months ago
1998
Springer
With the spread of the Internet the computing model on server systems is undergoing several important changes. Recent research ideas concerning dynamic operating system extensibil...
CCS
1994
ACM
13 years 11 months ago
1994
ACM
At the heart of most computer systems is a file system. The file system contains user data, executable programs, configuration and authorization information, and (usually) the bas...