2092 search results - page 378 / 419 » Dynamically Distributed Query Evaluation |
TGC
2007
Springer
15 years 5 months ago
2007
Springer
Abstract. We propose and discuss foundations for programmable overlay networks and overlay computing systems. Such overlays are built over a large number of distributed computation...
VLDB
2005
ACM
15 years 5 months ago
2005
ACM
To answer user queries, a data integration system employs a set of semantic mappings between the mediated schema and the schemas of data sources. In dynamic environments sources o...
SENSYS
2004
ACM
15 years 5 months ago
2004
ACM
Previous approaches for computing duplicate-sensitive aggregates in sensor networks (e.g., in TAG) have used a tree topology, in order to conserve energy and to avoid double-count...
DEBS
2003
ACM
15 years 5 months ago
2003
ACM
Join algorithms must be re-designed when processing stream data instead of persistently stored data. Data streams are potentially infinite and the query result is expected to be ...
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SENSYS
2003
ACM
15 years 5 months ago
2003
ACM
The widespread deployment of sensor networks is on the horizon. One of the main challenges in sensor networks is to process and aggregate data in the network rather than wasting e...