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BMCBI
2004
177views more  BMCBI 2004»
14 years 11 months ago
Gapped alignment of protein sequence motifs through Monte Carlo optimization of a hidden Markov model
Background: Certain protein families are highly conserved across distantly related organisms and belong to large and functionally diverse superfamilies. The patterns of conservati...
Andrew F. Neuwald, Jun S. Liu
GECCO
2008
Springer
118views Optimization» more  GECCO 2008»
15 years 23 days ago
An analysis of multi-sampled issue and no-replacement tournament selection
Standard tournament selection samples individuals with replacement. The sampling-with-replacement strategy has its advantages but also has issues. One of the commonly recognised i...
Huayang Xie, Mengjie Zhang, Peter Andreae, Mark Jo...
ANOR
2007
73views more  ANOR 2007»
14 years 11 months ago
A sample-path approach to optimal position liquidation
We consider the problem of optimal position liquidation with the aim of maximizing the expected cash flow stream from the transaction in the presence of temporary or permanent ma...
Pavlo A. Krokhmal, Stan Uryasev
IJSN
2007
73views more  IJSN 2007»
14 years 11 months ago
Optimal worm-scanning method using vulnerable-host distributions
: Most Internet worms use random scanning. The distribution of vulnerable hosts on the Internet, however, is highly non-uniform over the IP-address space. This implies that random ...
Zesheng Chen, Chuanyi Ji
WSC
2008
15 years 2 months ago
Efficient tail estimation for sums of correlated lognormals
Our focus is on efficient estimation of tail probabilities of sums of correlated lognormals. This problem is motivated by the tail analysis of portfolios of assets driven by corre...
Jose Blanchet, Sandeep Juneja, Leonardo Rojas-Nand...