2386 search results - page 315 / 478 » Database Security 2000 |
217
Voted
SIGMOD
2008
ACM
16 years 3 months ago
2008
ACM
Mobile devices equipped with positioning capabilities (e.g., GPS) can ask location-dependent queries to Location Based Services (LBS). To protect privacy, the user location must n...
121
Voted
SP
2007
IEEE
15 years 9 months ago
2007
IEEE
Since 1995, much work has been done creating protocols for private information retrieval (PIR). Many variants of the basic PIR model have been proposed, including such modificati...
133
Voted
CCS
2007
ACM
15 years 9 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 ...
160
Voted
AGENTS
1999
Springer
15 years 7 months ago
1999
Springer
The World Wide Web provides a huge distributed web database. However, information in the web database is free formatted and unorganized. Traditional keyword-based retrieval approa...
130
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LISA
1994
15 years 4 months ago
1994
Managing large scale UNIX networks so that users can use resources on multiple systems is traditionally performed using NIS, NFS, and DNS. Proper use of these tools requires exact...