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» Word Alignment via Submodular Maximization over Matroids
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ACL
2011
14 years 1 months ago
Word Alignment via Submodular Maximization over Matroids
We cast the word alignment problem as maximizing a submodular function under matroid constraints. Our framework is able to express complex interactions between alignment component...
Hui Lin, Jeff Bilmes
APPROX
2009
Springer
138views Algorithms» more  APPROX 2009»
15 years 4 months ago
Submodular Maximization over Multiple Matroids via Generalized Exchange Properties
Submodular-function maximization is a central problem in combinatorial optimization, generalizing many important NP-hard problems including Max Cut in digraphs, graphs and hypergr...
Jon Lee, Maxim Sviridenko, Jan Vondrák
CORR
2010
Springer
121views Education» more  CORR 2010»
14 years 8 months ago
Mechanism Design via Correlation Gap
For revenue and welfare maximization in singledimensional Bayesian settings, Chawla et al. (STOC10) recently showed that sequential posted-price mechanisms (SPMs), though simple i...
Qiqi Yan