6004 search results - page 79 / 1201 » Parallelizing query optimization |
VLDB
1994
ACM
14 years 2 months ago
1994
ACM
A new type of optimization, called predicate move-around, ia introduced. It is shown how this optimization `considerably improvea the efficiency of evaluating SQL queries that hav...
ICDE
2005
IEEE
14 years 3 months ago
2005
IEEE
¡ Several systems have recently been proposed for the evaluation of XPath expressions. However, none of these systems have demonstrated both scalability with large document sizes ...
ICDE
2008
IEEE
14 years 11 months ago
2008
IEEE
Text documents often embed data that is structured in nature, and we can expose this structured data using information extraction technology. By processing a text database with inf...
CLOUDCOM
2010
Springer
13 years 7 months ago
2010
Springer
Geospatial queries (GQ) have been used in a wide variety of applications such as decision support systems, profile-based marketing, bioinformatics and GIS. Most of the existing qu...
CLUSTER
2007
IEEE
14 years 4 months ago
2007
IEEE
— In this paper we give a theoretical model for determining the synchronization frequency that minimizes the parallel execution time of loops with uniform dependencies dynamicall...