34 search results - page 3 / 7 » Density estimation with stagewise optimization of the empiri... |
TIT
1998
13 years 5 months ago
1998
—Probability models are estimated by use of penalized log-likelihood criteria related to AIC and MDL. The accuracies of the density estimators are shown to be related to the trad...
SIAMJO
2008
13 years 6 months ago
2008
We study approximations of optimization problems with probabilistic constraints in which the original distribution of the underlying random vector is replaced with an empirical dis...
CIKM
2009
Springer
14 years 24 days ago
2009
Springer
We introduce a new theoretical derivation, evaluation methods, and extensive empirical analysis for an automatic query expansion framework in which model estimation is cast as a r...
ISF
2006
13 years 6 months ago
2006
Abstract Research in information security, risk management and investment has grown in importance over the last few years. However, without reliable estimates on attack probabiliti...
KDD
2006
ACM
14 years 6 months ago
2006
ACM
We introduce a new EM framework in which it is possible not only to optimize the model parameters but also the number of model components. A key feature of our approach is that we...