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» Linear-Time Ranking of Permutations
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FAW
2009
Springer
180views Algorithms» more  FAW 2009»
14 years 3 days ago
Edge Search Number of Cographs in Linear Time
We give a linear-time algorithm for computing the edge search number of cographs, thereby proving that this problem can be solved in polynomial time on this graph class. With our ...
Pinar Heggernes, Rodica Mihai
COLING
2008
13 years 7 months ago
Extracting Synchronous Grammar Rules From Word-Level Alignments in Linear Time
We generalize Uno and Yagiura's algorithm for finding all common intervals of two permutations to the setting of two sequences with many-to-many alignment links across the tw...
Hao Zhang, Daniel Gildea, David Chiang
COMBINATORICS
2007
112views more  COMBINATORICS 2007»
13 years 5 months ago
Reversal Distance for Strings with Duplicates: Linear Time Approximation using Hitting Set
In the last decade there has been an ongoing interest in string comparison problems; to a large extend the interest was stimulated by genome rearrangement problems in computationa...
Petr Kolman, Tomasz Walen
JMLR
2012
11 years 8 months ago
Perturbation based Large Margin Approach for Ranking
We consider the task of devising large-margin based surrogate losses for the learning to rank problem. In this learning to rank setting, the traditional hinge loss for structured ...
Eunho Yang, Ambuj Tewari, Pradeep D. Ravikumar
AAIM
2008
Springer
110views Algorithms» more  AAIM 2008»
13 years 12 months ago
Fixed-Parameter Algorithms for Kemeny Scores
The Kemeny Score problem is central to many applications in the context of rank aggregation. Given a set of permutations (votes) over a set of candidates, one searches for a “con...
Nadja Betzler, Michael R. Fellows, Jiong Guo, Rolf...