2217 search results - page 15 / 444 » Rank-aware Query Optimization |
GCC
2005
Springer
14 years 2 months ago
2005
Springer
DarGridⅡ is an implemented database gird system whose goal is to provide a semantic solution for integrating database resources on the web. Although many algorithms have been pro...
CIKM
2001
Springer
14 years 1 months ago
2001
Springer
Existing approaches for optimizing queries in data integration use decoupled strategies–attempting to optimize coverage and cost in two separate phases. Since sources tend to ha...
SIGMOD
2001
ACM
14 years 9 months ago
2001
ACM
Time-referenced data are pervasive in most real-world databases. Recent advances in temporal query languages show that such database applications may benefit substantially from bu...
ICDE
2011
IEEE
13 years 13 days ago
2011
IEEE
— Optimal location (OL) queries are a type of spatial queries particularly useful for the strategic planning of resources. Given a set of existing facilities and a set of clients...
DPD
1998
13 years 8 months ago
1998
To meet users’ growing needs for accessing pre-existing heterogeneous databases, a multidatabase system (MDBS) integrating multiple databases has attracted many researchers recen...