5221 search results - page 84 / 1045 » An On-line Problem Database |
ADBIS
2009
Springer
15 years 4 months ago
2009
Springer
Abstract. We consider the problem of query containment for conjunctive queries with the safe negation property. Some necessary conditions for this problem are given. A part of the ...
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VLDB
2001
ACM
15 years 10 months ago
2001
ACM
Smartcards are the most secure portable computing device today. They have been used successfully in applications involving money, proprietary and personal data (such as banking, h...
DASFAA
2007
IEEE
15 years 4 months ago
2007
IEEE
Recently a lot of work on integrating the search interfaces of multiple Web databases of the same domain into an integrated interface has been reported. Such integrated interfaces ...
ESORICS
2007
Springer
15 years 4 months ago
2007
Springer
Abstract. While the idea of database outsourcing is becoming increasingly popular, the associated security risks still prevent many potential users from deploying it. In particular...
ICSEA
2007
IEEE
15 years 4 months ago
2007
IEEE
The integration of query languages and programming languages is still a central problem of database research. In particular, issues with respect to the impedance mismatch are of i...