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GD
2009
Springer
13 years 7 months ago
On Open Problems in Biological Network Visualization
Much of the data generated and analyzed in the life sciences can be interpreted and represented by networks or graphs. Network analysis and visualization methods help in investigat...
Mario Albrecht, Andreas Kerren, Karsten Klein, Oli...
SIAMDM
2008
139views more  SIAMDM 2008»
13 years 9 months ago
Approximate Integer Decompositions for Undirected Network Design Problems
A well-known theorem of Nash-Williams and Tutte gives a necessary and sufficient condition for the existence of k edge-disjoint spanning trees in an undirected graph. A corollary o...
Chandra Chekuri, F. Bruce Shepherd
SLS
2007
Springer
117views Algorithms» more  SLS 2007»
14 years 4 months ago
An Algorithm Portfolio for the Sub-graph Isomorphism Problem
Abstract. This work presents an algorithm for the sub-graph isomorphism problem based on a new pruning technique for directed graphs. During the tree search, the method checks if a...
Roberto Battiti, Franco Mascia
ANTSW
2010
Springer
13 years 8 months ago
Theoretical Properties of Two ACO Approaches for the Traveling Salesman Problem
Ant colony optimization (ACO) has been widely used for different combinatorial optimization problems. In this paper, we investigate ACO algorithms with respect to their runtime beh...
Timo Kötzing, Frank Neumann, Heiko Rögli...
IPCO
2008
129views Optimization» more  IPCO 2008»
13 years 11 months ago
A Polynomial Time Approximation Scheme for the Square Packing Problem
Given a set Q of squares with positive pro ts, the square packing problem is to select and pack a subset of squares of maximum pro t into a rectangular bin R. We present a polynomi...
Klaus Jansen, Roberto Solis-Oba