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AUSAI
2005
Springer
15 years 8 months ago
Understanding the Pheromone System Within Ant Colony Optimization
Abstract. Ant Colony Optimization (ACO) is a collection of metaheuristics inspired by foraging in ant colonies, whose aim is to solve combinatorial optimization problems. We identi...
Stephen Gilmour, Mark Dras
TSMC
2002
91views more  TSMC 2002»
15 years 5 months ago
On the sure criticality of tasks in activity networks with imprecise durations
Abstract--The notion of the necessary criticality (both with respect to path and to activity) of a network with imprecisely defined (by means of intervals or fuzzy intervals) activ...
Stefan Chanas, Didier Dubois, Pawel Zielinski
SIAMNUM
2011
124views more  SIAMNUM 2011»
15 years 1 months ago
Discrete Compactness for the p-Version of Discrete Differential Forms
In this paper we prove the discrete compactness property for a wide class of p finite element approximations of non-elliptic variational eigenvalue problems in two and three spac...
Daniele Boffi, Martin Costabel, Monique Dauge, Les...
JSAT
2010
132views more  JSAT 2010»
15 years 29 days ago
The Impact of Max-SAT Resolution-Based Preprocessors on Local Search Solvers
In this paper we analyze three well-known preprocessors for Max-SAT. The first preprocessor is based on the so-called variable saturation. The second preprocessor is based on the ...
Federico Heras, David Bañeres
NETWORKS
2010
15 years 4 months ago
A mean-variance model for the minimum cost flow problem with stochastic arc costs
This paper considers a minimum cost flow problem where arc costs are uncertain, and the decision maker wishes to minimize both the expected flow cost and the variance of this co...
Stephen D. Boyles, S. Travis Waller