651 search results - page 24 / 131 » Algebraic Query Optimization for Distributed Top-k Queries |
ICDCS
2007
IEEE
14 years 3 months ago
2007
IEEE
When there are multiple queries posed to the resourceconstrained wireless sensor network, it is critical to process them efficiently. In this paper, we propose a Two-Tier Multipl...
ICDE
2005
IEEE
14 years 2 months ago
2005
IEEE
Abstract— Distributed stream-based applications, such as continuous query systems, have network scale and time characteristics that challenge traditional distributed query optimi...
GCC
2005
Springer
14 years 2 months ago
2005
Springer
DarGridⅡ is an implemented database gird system whose goal is to provide a semantic solution for integrating database resources on the web. Although many algorithms have been pro...
WISE
2007
Springer
14 years 3 months ago
2007
Springer
A common search problem in the World Wide Web concerns finding information if it is not known when the sources of information appear and how long sources will be available on the ...
DEXA
2005
Springer
14 years 2 months ago
2005
Springer
Bitmap indices are efficient data structures for processing complex, multi-dimensional queries in data warehouse applications and scientific data analysis. For high-cardinality at...