25 search results - page 2 / 5 » Approximate isocontours and spatial summaries for sensor net... |
AMW
2010
13 years 6 months ago
2010
In this work we present in-network techniques to improve the efficiency of spatial aggregate queries. Such queries are very common in a sensornet setting, demanding more targeted t...
CORR
2006
Springer
13 years 4 months ago
2006
Springer
Time synchronization is an important aspect of sensor network operation. However, it is well known that synchronization error accumulates over multiple hops. This presents a challe...
DMSN
2004
ACM
13 years 10 months ago
2004
ACM
We consider the in-network computation of approximate “big picture” summaries in bandwidth-constrained sensor networks. First we review early work on computing the Haar wavele...
ICDE
2006
IEEE
14 years 6 months ago
2006
IEEE
Wireless sensor networks are proving to be useful in a variety of settings. A core challenge in these networks is to minimize energy consumption. Prior database research has propo...
AMCS
2010
13 years 4 months ago
2010
satisfactory network connectivity have dominated this line of research and abstracted away from the mathematical description of the physical processes underlying the observed pheno...