1125 search results - page 56 / 225 » Query Answering in Inconsistent Databases |
ICDE
2007
IEEE
14 years 11 months ago
2007
IEEE
Applications such as traffic management and resource scheduling for location-based services commonly need to identify regions with high concentrations of moving objects. Such quer...
ICDE
2001
IEEE
14 years 11 months ago
2001
IEEE
We investigate query routing techniques in a cluster of databases for a query-dominant environment. The objective is to decrease query response time. Each component of the cluster...
BTW
2007
Springer
14 years 4 months ago
2007
Springer
Abstract: Peer data management systems (PDMS) are a highly dynamic, decentralized infrastructure for large-scale data integration. They consist of a dynamic set of autonomous peers...
VLDB
2001
ACM
14 years 2 months ago
2001
ACM
Estimating the number of distinct values is a wellstudied problem, due to its frequent occurrence in queries and its importance in selecting good query plans. Previous work has sh...
KES
2004
Springer
14 years 3 months ago
2004
Springer
When the available information is imperfect, it is often desirable to represent it in the database, so that it can be used to answer queries of interest as much as possible. The da...