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CEC
2007
IEEE
14 years 2 months ago
On improving approximate solutions by evolutionary algorithms
Abstract—Hybrid methods are very popular for solving problems from combinatorial optimization. In contrast to this the theoretical understanding of the interplay of different opt...
Tobias Friedrich, Jun He, Nils Hebbinghaus, Frank ...
RECOMB
2010
Springer
13 years 6 months ago
An Approximation Algorithm for Computing a Parsimonious First Speciation in the Gene Duplication Model
We consider the following problem: given a forest of gene family trees on a set of genomes, find a first speciation which splits these genomes into two subsets and minimizes the ...
Aïda Ouangraoua, Krister M. Swenson, Cedric C...
RSA
2010
104views more  RSA 2010»
13 years 6 months ago
An approximation algorithm for counting contingency tables
Abstract. We present a randomized approximation algorithm for counting contingency tables, m × n non-negative integer matrices with given row sums R = (r1, . . . , rm) and column ...
Alexander I. Barvinok, Zur Luria, Alex Samorodnits...
ANCS
2010
ACM
13 years 6 months ago
A traffic-aware top-N firewall ruleset approximation algorithm
Packet classification is widely used in various network security and operation applications. Two of the main challenges are the increasing number of classification rules, amount o...
Ho-Yu Lam, Donghan (Jarod) Wang, H. Jonathan Chao
ALGORITHMICA
1998
184views more  ALGORITHMICA 1998»
13 years 8 months ago
Approximation Algorithms for Connected Dominating Sets
The dominatingset problemin graphs asks for a minimumsize subset of vertices with the followingproperty: each vertex is required to either be in the dominating set, or adjacent to...
Sudipto Guha, Samir Khuller