55 search results - page 6 / 11 » Model-based approximate querying in sensor networks |
WIOPT
2006
IEEE
14 years 1 months ago
2006
IEEE
We consider the problem of optimizing the number of replicas for event information in wireless sensor networks, when queries are disseminated using expanding rings. We obtain clos...
SENSYS
2003
ACM
14 years 7 days ago
2003
ACM
Sensor networks promise viable solutions to many monitoring problems. However, the practical deployment of sensor networks faces many challenges imposed by real-world demands. Sen...
INFOCOM
2005
IEEE
14 years 18 days ago
2005
IEEE
— Wireless sensor networks offer the potential to span and monitor large geographical areas inexpensively. Sensor network databases like TinyDB [1] are the dominant architectures...
ICDE
2004
IEEE
14 years 8 months ago
2004
IEEE
We examine the problem of evaluating selection queries over imprecisely represented objects. Such objects are used either because they are much smaller in size than the precise on...
DC
2008
13 years 7 months ago
2008
We consider a distributed system where each node keeps a local count for items (similar to elections where nodes are ballot boxes and items are candidates). A top-k query in such ...