574 search results - page 25 / 115 » Distributed Queries and Query Optimization in Schema-Based P... |
125
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EDBT
2008
ACM
16 years 2 months ago
2008
ACM
Scientific data are available through an increasing number of heterogeneous, independently evolving, sources. Although the sources themselves are independently evolving, the data ...
ICDCS
2007
IEEE
15 years 8 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...
121
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ICDE
2005
IEEE
15 years 7 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...
111
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GCC
2005
Springer
15 years 7 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...
102
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WISE
2007
Springer
15 years 8 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 ...