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ATMOS
2010
134views Optimization» more  ATMOS 2010»
13 years 8 months ago
Vertex Disjoint Paths for Dispatching in Railways
We study variants of the vertex disjoint paths problem in planar graphs where paths have to be selected from a given set of paths. We study the problem as a decision, maximization...
Holger Flier, Matús Mihalák, Anita S...
GD
2004
Springer
14 years 3 months ago
Graph Drawing by Stress Majorization
Abstract. One of the most popular graph drawing methods is based on achieving graph-theoretic target distances. This method was used by Kamada and Kawai [15], who formulated it as ...
Emden R. Gansner, Yehuda Koren, Stephen C. North
GBRPR
2007
Springer
14 years 4 months ago
Approximating TSP Solution by MST Based Graph Pyramid
The traveling salesperson problem (TSP) is difficult to solve for input instances with large number of cities. Instead of finding the solution of an input with a large number of c...
Yll Haxhimusa, Walter G. Kropatsch, Zygmunt Pizlo,...
SOFTVIS
2006
ACM
14 years 3 months ago
Semantic web data visualization with graph style sheets
Visual paradigms such as node-link diagrams are well suited to the representation of Semantic Web data encoded with the Resource Description Framework (RDF), whose data model can ...
Emmanuel Pietriga
WEA
2007
Springer
112views Algorithms» more  WEA 2007»
14 years 3 months ago
Crossing Minimization in Weighted Bipartite Graphs
Given a bipartite graph G = (L0, L1, E) and a fixed ordering of the nodes in L0, the problem of finding an ordering of the nodes in L1 that minimizes the number of crossings has ...
Olca A. Çakiroglu, Cesim Erten, Ömer K...