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BMCBI
2006
161views more  BMCBI 2006»
13 years 7 months ago
A novel approach to phylogenetic tree construction using stochastic optimization and clustering
Background: The problem of inferring the evolutionary history and constructing the phylogenetic tree with high performance has become one of the major problems in computational bi...
Ling Qin, Yixin Chen, Yi Pan, Ling Chen
ICDCIT
2004
Springer
14 years 1 months ago
Distributing Key Updates in Secure Dynamic Groups
We focus on the problem of distributing key updates in secure dynamic groups. Due to changes in group membership, the group controller needs to change and distribute the keys used...
Sandeep S. Kulkarni, Bezawada Bruhadeshwar
NETWORKS
2008
13 years 7 months ago
A linear programming approach to increasing the weight of all minimum spanning trees
Given a graph where increasing the weight of an edge has a nondecreasing convex piecewise linear cost, we study the problem of finding a minimum cost increase of the weights so tha...
Mourad Baïou, Francisco Barahona
CEC
2008
IEEE
14 years 2 months ago
Increasing rule extraction accuracy by post-processing GP trees
—Genetic programming (GP), is a very general and efficient technique, often capable of outperforming more specialized techniques on a variety of tasks. In this paper, we suggest ...
Ulf Johansson, Rikard König, Tuve Löfstr...
IJON
2010
100views more  IJON 2010»
13 years 6 months ago
Automatic detection of onset and cessation of tree stem radius increase using dendrometer data
Dendrometers are devices, which measure continuously the stem radius of a tree. In this work, we studied the use of cumulative sum (CUSUM) charts for automatically and, thus, objec...
Mikko Korpela, Harri Mäkinen, Pekka Nöjd...