47 search results - page 7 / 10 » Query Planning with Limited Source Capabilities |
129
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SIGMOD
2001
ACM
16 years 2 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...
144
Voted
EDBT
2012
ACM
13 years 4 months ago
2012
ACM
Query optimization in RDF Stores is a challenging problem as SPARQL queries typically contain many more joins than equivalent relational plans, and hence lead to a large join orde...
123
Voted
DILS
2005
Springer
15 years 7 months ago
2005
Springer
For execution of complex biological queries, data integration systems often use several intermediate data sources because the domain coverage of individual sources is limited. Qual...
116
Voted
DASFAA
2003
IEEE
15 years 7 months ago
2003
IEEE
To integrate many data sources we use a peer mediator framework where views defined in the peers are logically composed in terms of each other. A common approach to execute queri...
110
Voted
AICT
2006
IEEE
15 years 5 months ago
2006
IEEE
We present NetTraveler a database middleware system for WANs that is designed to efficiently run queries over sites that are either mobile clients or enterprise servers. NetTravel...