Abstract
In this paper, we consider a variation of the Euclidean Steiner Tree Problem in which the space underlying the set of nodes has a specified non-uniform cost structure. This problem is significant in many practical situations, such as laying cable networks, where the cost for laying a cable can be highly dependent on the location and the nature of the area through which it is to be laid. We empirically test the performance of a genetic-algorithm-based procedure on a variety of test cases of this problem. We also consider the impact on solutions of charging an additional fee per Steiner node. This can be important when Steiner nodes represent junctions that require the installation of additional hardware. In addition, we present novel ways of visualizing the performance and robustness of the genetic algorithm.
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References
Coulston, C.: Constructing exact octagonal Steiner minimal trees. In: Proceedings of the 13th ACM Great Lakes Symposium on VLSI 2003, Washington, DC, USA, pp. 1–6. ACM, New York (2003)
Coulston, C., Smith, M., Werger, K.: Ants and evolution: The non-uniform Steiner minimal tree problem. In: Artificial Neural Networks in Engineering 2002, St. Louis, Missouri, USA, ASME, pp. 213–218 (2002)
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Frommer, I., Golden, B., Pundoor, G. (2004). Heuristic Methods for Solving Euclidean Non-uniform Steiner Tree Problems. In: Deb, K. (eds) Genetic and Evolutionary Computation – GECCO 2004. GECCO 2004. Lecture Notes in Computer Science, vol 3103. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-24855-2_39
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DOI: https://doi.org/10.1007/978-3-540-24855-2_39
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-540-22343-6
Online ISBN: 978-3-540-24855-2
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