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Metro-Line Crossing Minimization: Hardness, Approximations, and Tractable Cases.
Martin Fink
Sergey Pupyrev
Published in:
Graph Drawing (2013)
Keyphrases
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tractable cases
causal models
bounded treewidth
np complete
worst case
learning theory
database
bayesian networks
computational complexity
phase transition
machine learning
learning algorithm
objective function
polynomial size