522 search results - page 59 / 105 » Answering Aggregation Queries in a Secure System Model |
ACMSE
2008
ACM
13 years 9 months ago
2008
ACM
Peer-To-Peer (P2P) systems have made an enormous impact on the Internet, directly affecting its performance and security. The litigation against P2P file sharing has led some desi...
SP
2000
IEEE
14 years 1 days ago
2000
IEEE
It is desirable to store data on data storage servers such as mail servers and file servers in encrypted form to reduce security and privacy risks. But this usually implies that ...
SSDBM
1999
IEEE
13 years 12 months ago
1999
IEEE
Multidimensional Analysis in On-Line Analytical Processing (OLAP), and Scientific and statistical databases (SSDB) use operations requiring summary information on multi-dimensiona...
IPPS
2006
IEEE
14 years 1 months ago
2006
IEEE
P2P Networks are highly dynamic structures since their nodes – peer users keep joining and leaving continuously. In the paper, we study the effects of network change rates on qu...
ICDE
1998
IEEE
13 years 12 months ago
1998
IEEE
Consider a database that represents the location of moving objects, such as taxi-cabs (typical query: retrieve the cabs that are currently within 1 mile of 33 Michigan Ave., Chica...