515 search results - page 9 / 103 » Query Decomposition, Optimization and Processing in Multidat... |
DEBU
2000
13 years 7 months ago
2000
Execution plans produced by traditional query optimizers for data integration queries may yield poor performance for several reasons. The cost estimates may be inaccurate, the mem...
CIDR
2011
12 years 11 months ago
2011
Amazon’s Mechanical Turk (“MTurk”) service allows users to post short tasks (“HITs”) that other users can receive a small amount of money for completing. Common tasks on...
MOBIQUITOUS
2005
IEEE
14 years 29 days ago
2005
IEEE
Recent research has led to the advent of software systems capable of performing query processing in sensor networks. They perform query processing in a sensor network by construct...
DASFAA
2003
IEEE
14 years 20 days ago
2003
IEEE
Modern database applications including computeraided design (CAD), medical imaging, or molecular biology impose new requirements on spatial query processing. Particular problems a...
SIGMOD
2007
ACM
14 years 7 months ago
2007
ACM
Complex queries often contain common or similar subexpressions, either within a single query or among multiple queries submitted as a batch. If so, query execution time can be imp...