Adaptive global optimization with local search
Adaptive global optimization with local search
Probabilistic Reasoning in Intelligent Systems: Networks of Plausible Inference
Probabilistic Reasoning in Intelligent Systems: Networks of Plausible Inference
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Estimation of Distribution Algorithms: A New Tool for Evolutionary Computation
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The Design of Innovation: Lessons from and for Competent Genetic Algorithms
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Proceedings of the 9th annual conference on Genetic and evolutionary computation
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PPSN'06 Proceedings of the 9th international conference on Parallel Problem Solving from Nature
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APPROX'06/RANDOM'06 Proceedings of the 9th international conference on Approximation Algorithms for Combinatorial Optimization Problems, and 10th international conference on Randomization and Computation
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IEEE Transactions on Information Theory
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This paper presents a local search method for the Bayesian optimization algorithm (BOA) based on the concepts of substructural neighborhoods and loopy belief propagation. The probabilistic model of BOA, which automatically identifies important problem substructures, is used to define the topology of the neighborhoods explored in local search. On the other hand, belief propagation in graphical models is employed to find the most suitable configuration of conflicting substructures. The results show that performing loopy substructural local search (SLS) in BOA can dramatically reduce the number of generations necessary to converge to optimal solutions and thus provides substantial speedups.