418 search results - page 60 / 84 » Query Optimization by Simulated Annealing |
DCOSS
2008
Springer
13 years 9 months ago
2008
Springer
Sensor networks can be viewed as large distributed databases, and SQL-like high-level declarative languages can be used for data and information retrieval. Energy constraints make ...
PDIS
1996
IEEE
14 years 3 days ago
1996
IEEE
Accessing data from numerous widely-distributed sources poses signi cant new challenges for query optimization and execution. Congestion and failures in the network can introduce ...
SIGMOD
1998
ACM
14 years 5 days ago
1998
ACM
Remote data access from disparate sources across a widearea network such as the Internet is problematic due to the unpredictable nature of the communications medium and the lack o...
WCE
2007
13 years 9 months ago
2007
—Spatial query execution is an essential functionality of a sensor network. Redundancy within a sensor network can be exploited to reduce the communication cost incurred in execu...
CCGRID
2005
IEEE
14 years 1 months ago
2005
IEEE
Partial replication is one type of optimization to speed up execution of queries submitted to large datasets. In partial replication, a portion of the dataset is extracted, re-org...