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141
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ENDM
2010
15 years 6 months ago
2010
We study an extension of the precedence constrained knapsack problem where the knapsack can be filled in multiple periods. This problem is known in the mining industry as the open...
144
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IJACTAICIT
2010
15 years 3 months ago
2010
In this article, a hybrid optimization method has been proposed consisting of modified ant colony systems (ACSs) and constrained nonlinear programming (NLP) to solve the problems ...
164
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SIAMJO
2008
15 years 6 months ago
2008
We consider a rather general class of mathematical programming problems with data uncertainty, where the uncertainty set is represented by a system of convex inequalities. We prove...
170
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IAT
2005
IEEE
15 years 12 months ago
2005
IEEE
We are interested by contributing to stochastic problems of which the main distinction is that some tasks may create other tasks. In particular, we present a first approach which...
152
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WABI
2005
Springer
15 years 11 months ago
2005
Springer
Abstract. In this paper, we use integer programming approach for solving a hard combinatorial optimization problem, namely protein threading. For this sequence-to-structure alignme...