44 search results - page 4 / 9 » Understanding cardinality estimation using entropy maximizat... |
VLDB
2005
ACM
14 years 14 days ago
2005
ACM
Cost-based query optimizers need to estimate the selectivity of conjunctive predicates when comparing alternative query execution plans. To this end, advanced optimizers use multi...
CVPR
2004
IEEE
14 years 9 months ago
2004
IEEE
Edges in man-made environments, grouped according to vanishing point directions, provide single-view constraints that have been exploited before as a precursor to both scene under...
IDA
2007
Springer
14 years 1 months ago
2007
Springer
Abstract. Finite mixture models can be used in estimating complex, unknown probability distributions and also in clustering data. The parameters of the models form a complex repres...
TCOM
2010
13 years 5 months ago
2010
Abstract— Today, due to the vast amount of literature on largescale wireless networks, we have a fair understanding of the asymptotic behavior of such networks. However, in real ...
GLOBECOM
2007
IEEE
13 years 8 months ago
2007
IEEE
—In this contribution, the Fisher-Bingham-5 (FB5) probability density function (pdf) is used to model the shape of the direction power spectral density function (psdf) of individ...