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GD
2007
Springer
14 years 1 months ago
Crossing Numbers and Parameterized Complexity
The odd crossing number of G is the smallest number of pairs of edges that cross an odd number of times in any drawing of G. We show that there always is a drawing realizing the o...
Michael J. Pelsmajer, Marcus Schaefer, Daniel Stef...
OTM
2007
Springer
14 years 1 months ago
Extending BPMN for Modeling Complex Choreographies
Capturing the interaction behavior between two or more business parties has major importance in the context of business-tobusiness (B2B) process integration. The Business Process M...
Gero Decker, Frank Puhlmann
TAMC
2007
Springer
14 years 1 months ago
Approximability and Parameterized Complexity of Consecutive Ones Submatrix Problems
Abstract. We develop a refinement of a forbidden submatrix characterization of 0/1-matrices fulfilling the Consecutive Ones Property (C1P). This novel characterization finds app...
Michael Dom, Jiong Guo, Rolf Niedermeier
TGC
2007
Springer
14 years 1 months ago
On the Complexity of Termination Inference for Processes
We study type systems for termination in the π-calculus from the point of view of type inference. We analyse four systems by Deng and Sangiorgi. We show that inference can be done...
Romain Demangeon, Daniel Hirschkoff, Naoki Kobayas...
WG
2007
Springer
14 years 1 months ago
The Complexity of Bottleneck Labeled Graph Problems
Abstract. We present hardness results, approximation heuristics, and exact algorithms for bottleneck labeled optimization problems arising in the context of graph theory. This long...
Refael Hassin, Jérôme Monnot, Danny S...