181 search results - page 14 / 37 » Distributed Query Optimization in the Stack-Based Approach |
AMW
2010
13 years 9 months ago
2010
In this work we present in-network techniques to improve the efficiency of spatial aggregate queries. Such queries are very common in a sensornet setting, demanding more targeted t...
BTW
2007
Springer
14 years 1 months ago
2007
Springer
: Statistics that accurately describe the distribution of data values in the columns of relational tables are essential for effective query optimization in a database management sy...
SSD
2005
Springer
14 years 1 months ago
2005
Springer
Abstract. Query optimization is an important functionality of modern database systems and often based on estimating the selectivity of queries before actually executing them. Well-...
ICPP
2003
IEEE
14 years 27 days ago
2003
IEEE
Spatial databases are entering an era of mass deployment in various real-life applications, especially mobile and location-based services. The real-time processing of spatial quer...
ESCIENCE
2007
IEEE
13 years 11 months ago
2007
IEEE
Provenance management has become increasingly important to support scientific discovery reproducibility, result interpretation, and problem diagnosis in scientific workflow enviro...