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109
Voted
IV
2005
IEEE
81views Visualization» more  IV 2005»
15 years 9 months ago
A New Force-Directed Graph Drawing Method Based on Edge-Edge Repulsion
The conventional force-directed methods for drawing undirected graphs are based on either vertex-vertex repulsion or vertex-edge repulsion. In this paper, we propose a new force-d...
Chun-Cheng Lin, Hsu-Chun Yen
133
Voted
STOC
2007
ACM
134views Algorithms» more  STOC 2007»
16 years 4 months ago
Hardness of routing with congestion in directed graphs
Given as input a directed graph on N vertices and a set of source-destination pairs, we study the problem of routing the maximum possible number of source-destination pairs on pat...
Julia Chuzhoy, Venkatesan Guruswami, Sanjeev Khann...
WADS
2009
Springer
232views Algorithms» more  WADS 2009»
15 years 10 months ago
On Making Directed Graphs Transitive
We present the first thorough theoretical analysis of the Transitivity Editing problem on digraphs. Herein, the task is to perform a minimum number of arc insertions or deletions ...
Mathias Weller, Christian Komusiewicz, Rolf Nieder...
106
Voted
DAC
2003
ACM
16 years 4 months ago
Optimal integer delay budgeting on directed acyclic graphs
Delay budget is an excess delay each component of a design can tolerate under a given timing constraint. Delay budgeting has been widely exploited to improve the design quality. W...
Elaheh Bozorgzadeh, Soheil Ghiasi, Atsushi Takahas...
STOC
2005
ACM
104views Algorithms» more  STOC 2005»
16 years 4 months ago
Oblivious routing in directed graphs with random demands
Mohammad Taghi Hajiaghayi, Jeong Han Kim, Tom Leig...