584 search results - page 25 / 117 » On the Value of Correlation |
SIGMOD
2003
ACM
15 years 10 months ago
2003
ACM
Database queries often take the form of correlated SQL queries. Correlation refers to the use of values from the outer query block to compute the inner subquery. This is a conveni...
CORR
2007
Springer
14 years 9 months ago
2007
Springer
Abstract—The problem of hypothesis testing against independence for a Gauss–Markov random field (GMRF) is analyzed. Assuming an acyclic dependency graph, an expression for the...
IDEAL
2000
Springer
15 years 1 months ago
2000
Springer
Generalization of the covariance concept is discussed for mixed categorical and numerical data. Gini's definition of variance for categorical data gives us a starting point to...
CORR
2006
Springer
14 years 9 months ago
2006
Springer
In this contribution, models of wireless channels are derived from the maximum entropy principle, for several cases where only limited information about the propagation environmen...
VLSID
2005
IEEE
15 years 10 months ago
2005
IEEE
We propose a novel, non-simulative, probabilistic model for switching activity in sequential circuits, capturing both spatio-temporal correlations at internal nodes and higher ord...