Forthcoming articles

 


International Journal of Metaheuristics

 

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International Journal of Metaheuristics (2 papers in press)

 

Regular Issues

 

  • Solution attractor of local search in traveling salesman problem (part 2): computational study   Order a copy of this article
    by Weiqi Li, Xue Li 
    Abstract: This paper is the second part of our study. In the first part, we introduce the concept of solution attractor of local search system for the Traveling Salesman Problem (TSP), describe a procedure for constructing the solution attractor, and present an attractor-based search system to solve the dynamic multi-objective TSP. In this paper, we report the results of our recent empirical study on some important properties of the solution attractor of local search system for the TSP. These properties include the nature of convergence of local search trajectories, the size of the constructed solution attractor, the relationship between the size of the problem and the size of the constructed solution attractor, the best tour in the solution attractor, and computational complexity in the attractor-based search system.
    Keywords: traveling salesman problem; global optimization; analysis of heuristics; convergence of local search; solution attractor.

  • A Structural Taxonomy for Metaheuristic Optimization Search Methods   Order a copy of this article
    by Raymond R. Hill, Edward Pohl 
    Abstract: Metaheuristic search algorithms have become ubiquitous in the applied optimization world. Various works have appeared classifying and improving these algorithms and the particular processes embedded within the algorithms. Successful metaheuristic approaches have a common general structure to their search processes. To this end, we offer a structural taxonomy of metaheuristic search methods. This taxonomy serves as a framework for constructing and evaluating metaheuristic approaches from a general structural perspective as well as for conducting empirical research regarding the effectiveness of more detailed structural components. Implementation mechanisms of the detailed components within each structural component is left for future taxonomy research and development.
    Keywords: heuristic optimization; taxonomy; metaheuristics; intensification; diversification; adaptive memory.