3777 search results - page 542 / 756 » Estimating the Quality of Databases |
DKE
2007
13 years 10 months ago
2007
Histogram techniques have been used in many commercial database management systems to estimate a query result size. Recently, it has been shown that they are very effective to su...
JIIS
2006
13 years 10 months ago
2006
A join of two relations in real databases is usually much smaller than their cartesian product. This means that most of the combinations of tuples in the crossproduct of the respe...
SOCO
2008
Springer
13 years 10 months ago
2008
Springer
We introduce a new method for data clustering based on a particular Gaussian mixture model (GMM). Each cluster of data, modeled as a GMM into an input space, is interpreted as a hy...
CGF
2005
13 years 10 months ago
2005
Semanticons can enhance the representation of files by offering symbols that are both meaningful and easily distinguishable. The semantics of a file is estimated by parsing its na...
KI
2007
Springer
13 years 10 months ago
2007
Springer
Abstract. In this paper, we present a system for simultaneous localization and map building of a mobile robot, based on an attentional landmark detector. A biologically motivated a...