494 search results - page 93 / 99 » Approximate continuous querying over distributed streams |
SSDBM
2006
IEEE
14 years 1 months ago
2006
IEEE
A phenomenon appears in a sensor network when a group of sensors persist to generate similar behavior over a period of time. PhenomenaBases (or databases of phenomena) are equippe...
IJCV
2008
13 years 6 months ago
2008
This paper deals with video segmentation based on motion and spatial information. Classically, the motion term is based on a motion compensation error (MCE) between two consecutiv...
ASIAN
2004
Springer
14 years 1 months ago
2004
Springer
Abstract. This text is an informal review of several randomized algorithms that have appeared over the past two decades and have proved instrumental in extracting efficiently quant...
XSYM
2004
Springer
14 years 28 days ago
2004
Springer
A key step in the optimization of declarative queries over XML data is estimating the selectivity of path expressions, i.e., the number of elements reached by a specific navigatio...
SIGMOD
2009
ACM
14 years 7 months ago
2009
ACM
We consider the problem of collectively approximating a set of sensor signals using the least amount of space so that any individual signal can be efficiently reconstructed within...