902 search results - page 24 / 181 » Efficient and Extensible Algorithms for Multi Query Optimiza... |
DPD
2006
13 years 8 months ago
2006
A common technique used to minimize I/O in data intensive applications is data declustering over parallel servers. This technique involves distributing data among several disks so...
CIKM
2007
Springer
14 years 2 months ago
2007
Springer
Spatial queries for extracting data from wireless sensor networks are important for many applications, such as environmental monitoring and military surveillance. One such query i...
PVLDB
2010
13 years 6 months ago
2010
To enable smart environments and self-tuning data centers, we are developing the Aspen system for integrating physical sensor data, as well as stream data coming from machine logi...
DASFAA
2004
IEEE
14 years 6 days ago
2004
IEEE
Iceberg queries are a special case of SQL queries involving GROUP BY and HAVING clauses, wherein the answer set is small relative to the database size. We present here a performanc...
GIS
2008
ACM
14 years 9 months ago
2008
ACM
Trip planning search (TPS) represents an important class of queries in Geographic Information Systems (GIS). In many real-world applications, TPS requests are issued with a number...