99 search results - page 7 / 20 » Approximate Aggregation Techniques for Sensor Databases |
DMSN
2004
ACM
14 years 27 days 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...
ESA
2006
Springer
13 years 11 months ago
2006
Springer
A sensor network consists of sensing devices which may exchange data through wireless communication. A particular feature of sensor networks is that they are highly energy constrai...
ICDE
2004
IEEE
14 years 8 months ago
2004
IEEE
Several spatio-temporal applications require the retrieval of summarized information about moving objects that lie in a query region during a query interval (e.g., the number of m...
ADBIS
2009
Springer
14 years 2 months ago
2009
Springer
Abstract. In moving object databases, many authors assume that number and position of objects to be processed are always known in advance. Detecting an unknown moving object and pu...
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...