1000 search results - page 170 / 200 » Provenance for Aggregate Queries |
SIGIR
2004
ACM
15 years 3 months ago
2004
ACM
Web communities are web virtual broadcasting spaces where people can freely discuss anything. While such communities function as discussion boards, they have even greater value as...
ICDT
1990
ACM
15 years 1 months ago
1990
ACM
Ordinary logical implication is not enough for answering queries in a logic database, since especially negative information is only implicitly represented in the database state. M...
EDBT
2009
ACM
15 years 28 days ago
2009
ACM
Client/server information systems use caching techniques to reduce the volume of transmitted data as well as response time and, especially in the case of systems with mobile clien...
ESWS
2008
Springer
14 years 11 months ago
2008
Springer
Instant Messaging is in addition to Web and Email the most popular service on the Internet. With xOperator we demonstrate the implementation of a strategy which deeply integrates I...
ESWS
2008
Springer
14 years 11 months ago
2008
Springer
Instant Messaging (IM) is in addition to Web and Email the most popular service on the Internet. With xOperator we present a strategy and implementation which deeply integrates Ins...