56 search results - page 9 / 12 » An Improved Approximation Algorithm for Multiway Cut |
102
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FOCS
1995
IEEE
15 years 1 months ago
1995
IEEE
This paper continues the investigation of the connection between probabilistically checkable proofs PCPs the approximability of NP-optimization problems. The emphasis is on prov...
STOC
2004
ACM
15 years 9 months ago
2004
ACM
We give a O( log n)-approximation algorithm for sparsest cut, edge expansion, balanced separator, and graph conductance problems. This improves the O(log n)-approximation of Leig...
ICPR
2008
IEEE
15 years 10 months ago
2008
IEEE
We consider layouting news articles on a page as a cutting and packing problem with output maximization. We propose to tailor news articles by employing automatic summarization to...
VC
2010
14 years 7 months ago
2010
Abstract In this paper, we present a segmentation algorithm which partitions a mesh based on the premise that a 3D object consists of a core body and its constituent protrusible pa...
104
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STOC
2009
ACM
15 years 10 months ago
2009
ACM
Submodular function maximization is a central problem in combinatorial optimization, generalizing many important problems including Max Cut in directed/undirected graphs and in hy...