Crossing minimization problems of drawing bipartite graphs in two clusters

  • Authors:
  • Lanbo Zheng;Le Song;Peter Eades

  • Affiliations:
  • University of Sydney, Australia;University of Sydney, Australia;University of Sydney, Australia

  • Venue:
  • APVis '05 proceedings of the 2005 Asia-Pacific symposium on Information visualisation - Volume 45
  • Year:
  • 2005

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Abstract

The crossing minimization problem is a classic and very important problem in graph drawing (Pach, Tòth 1997); the results directly affect the effectiveness of the layout, especially for very large scale graphs. But in many cases crossings cannot be avoided. In this paper we present two models for bipartite graph drawing, aiming to reduce crossings that cannot be avoided in the traditional bilayer drawings. We characterize crossing minimization problems in these models, and prove that they are NP-complete.