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163
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JCSS
2010
15 years 4 months ago
2010
We present a simple randomized algorithmic framework for connected facility location problems. The basic idea is as follows: We run a black-box approximation algorithm for the unc...
259
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ICDE
2012
IEEE
13 years 8 months ago
2012
IEEE
— We consider the approximate string membership checking (ASMC) problem of extracting all the strings or substrings in a document that approximately match some string in a given ...
150
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WADS
2007
Springer
16 years 15 days ago
2007
Springer
Let (L, ∗) be a semilattice, and let c : L → [0, ∞) be monotone and increasing on L. We state the Minimum Join problem as: given size n sub-collection X of L and integer k w...
167
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FCT
2001
Springer
15 years 11 months ago
2001
Springer
Abstract. The maximum intersection problem for a matroid and a greedoid, given by polynomial-time oracles, is shown NP-hard by expressing the satisfiability of boolean formulas in...
180
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SODA
2010
ACM
16 years 3 months ago
2010
ACM
We consider robust network design problems where the set of feasible demands may be given by an arbitrary polytope or convex body more generally. This model, introduced by BenAmeu...