251 search results - page 29 / 51 » Processing Multiple Aggregation Queries in Geo-Sensor Networ... |
SERVICES
2008
13 years 10 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...
EWSN
2004
Springer
14 years 8 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
13 years 10 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
14 years 3 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...
VLDB
2007
ACM
14 years 8 months 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...