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122
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CPM
2004
Springer
110views Combinatorics» more  CPM 2004»
15 years 10 months ago
On the k-Closest Substring and k-Consensus Pattern Problems
Given a set S = {s1, s2, . . . , sn} of strings each of length m, and an integer L, we study the following two problems. k-Closest Substring problem: find k center strings c1, c2,...
Yishan Jiao, Jingyi Xu, Ming Li
EOR
2007
93views more  EOR 2007»
15 years 5 months ago
Exact algorithms for procurement problems under a total quantity discount structure
In this paper, we study the procurement problem faced by a buyer who needs to purchase a variety of goods from suppliers applying a so-called total quantity discount policy. This ...
Dries R. Goossens, A. J. T. Maas, Frits C. R. Spie...
182
Voted
ILP
2004
Springer
15 years 10 months ago
Learning an Approximation to Inductive Logic Programming Clause Evaluation
One challenge faced by many Inductive Logic Programming (ILP) systems is poor scalability to problems with large search spaces and many examples. Randomized search methods such as ...
Frank DiMaio, Jude W. Shavlik
186
Voted
CORR
2010
Springer
178views Education» more  CORR 2010»
15 years 3 months ago
Enumerative Algorithms for the Shortest and Closest Lattice Vector Problems in Any Norm via M-Ellipsoid Coverings
We give an algorithm for solving the exact Shortest Vector Problem in n-dimensional lattices, in any norm, in deterministic 2O(n) time (and space), given poly(n)-sized advice that...
Daniel Dadush, Chris Peikert, Santosh Vempala
COR
2000
129views more  COR 2000»
15 years 4 months ago
Heuristics for the multi-vehicle covering tour problem
The multi-vehicle covering tour problem is de"ned on a graph G"(<6=, E), where = is a set of vertices that must collectively be covered by up to m vehicles. The probl...
Mondher Hachicha, M. John Hodgson, Gilbert Laporte...