Sciweavers

274 search results - page 25 / 55
» Processing approximate aggregate queries in wireless sensor ...
Sort
View
VLDB
2005
ACM
129views Database» more  VLDB 2005»
14 years 1 months ago
Sketching Streams Through the Net: Distributed Approximate Query Tracking
Emerging large-scale monitoring applications require continuous tracking of complex dataanalysis queries over collections of physicallydistributed streams. Effective solutions hav...
Graham Cormode, Minos N. Garofalakis
ICDE
2008
IEEE
136views Database» more  ICDE 2008»
14 years 9 months ago
Processing Event-Monitoring Queries in Sensor Networks
In this paper we present algorithms for building and maintaining efficient collection trees that provide the conduit to disseminate data required for processing monitoring queries...
Vassilis Stoumpos, Antonios Deligiannakis, Yannis ...
IPSN
2004
Springer
14 years 29 days ago
The impact of spatial correlation on routing with compression in wireless sensor networks
The efficacy of data aggregation in sensor networks is a function of the degree of spatial correlation in the sensed phenomenon. While several data aggregation (i.e., routing with...
Sundeep Pattem, Bhaskar Krishnamachari, Ramesh Gov...
ICN
2005
Springer
14 years 1 months ago
An Energy Constrained Multi-hop Clustering Algorithm for Wireless Sensor Networks
A wireless sensor network is a new kind of wireless Ad-Hoc network consisting of a large number of small low cost, power constrained sensors deployed in a large area for gathering...
Navin Kumar Sharma, Mukesh Kumar
INFOCOM
2009
IEEE
14 years 2 months ago
Topological Data Processing for Distributed Sensor Networks with Morse-Smale Decomposition
Abstract—We are interested in topological analysis and processing of the large-scale distributed data generated by sensor networks. Naturally a large-scale sensor network is depl...
Xianjin Zhu, Rik Sarkar, Jie Gao