251 search results - page 29 / 51 » Processing Multiple Aggregation Queries in Geo-Sensor Networ... |
SERVICES
2008
15 years 1 months ago
2008
Distributed stream query services must simultaneously process a large number of complex, continuous queries with stringent performance requirements while utilizing distributed pro...
115
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EWSN
2004
Springer
15 years 11 months ago
2004
Springer
The efficient subdivision of a sensor network into uniform, mostly non-overlapping clusters of physically close nodes is an important building block in the design of efficient uppe...
CIDR
2007
15 years 1 months ago
2007
Sensor networks are becoming an important part of the IT landscape. Existing systems, however, are limited in two fundamental ways: lack of data independence, and poor integration...
IPPS
2009
IEEE
15 years 6 months ago
2009
IEEE
We consider the operator mapping problem for in-network stream processing, i.e., the application of a tree of operators in steady-state to multiple data objects that are continuou...
176
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VLDB
2007
ACM
16 years 11 hour ago
2007
ACM
This paper focuses on the problem of improving distributed query throughput of the RDBMS-based data integration system that has to inherit the query execution model of the underly...