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Solving the family traveling salesman problem

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  • Bernardino, Raquel
  • Paias, Ana

Abstract

In this paper we address the family traveling salesman problem (FTSP), an NP-hard problem in which the set of nodes of a graph is partitioned into several subsets, which are called families. The objective is to visit a predefined number of nodes in each family at a minimum cost. We present several compact and non-compact models for the FTSP. Computational experiments with benchmark instances show that the non-compact models outperform the compact ones. One of the non-compact models is able to solve instances with 127 nodes, in less than 70 seconds, and one of the instances with 280 nodes in 3615 seconds. The optimal values of these instances were not known. For the higher dimensioned instances, the ones whose optimal value remains unknown, we propose an iterated local search algorithm that is able to improve the best known upper bounds from the literature.

Suggested Citation

  • Bernardino, Raquel & Paias, Ana, 2018. "Solving the family traveling salesman problem," European Journal of Operational Research, Elsevier, vol. 267(2), pages 453-466.
  • Handle: RePEc:eee:ejores:v:267:y:2018:i:2:p:453-466
    DOI: 10.1016/j.ejor.2017.11.063
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    Cited by:

    1. Pop, Petrică C. & Cosma, Ovidiu & Sabo, Cosmin & Sitar, Corina Pop, 2024. "A comprehensive survey on the generalized traveling salesman problem," European Journal of Operational Research, Elsevier, vol. 314(3), pages 819-835.
    2. Bernardino, Raquel & Paias, Ana, 2022. "Corrigendum to “Solving the family traveling salesman problem” [European Journal of Operational Research, 267, 2018, 453–466]," European Journal of Operational Research, Elsevier, vol. 296(1), pages 388-391.
    3. Dontas, Michael & Sideris, Georgios & Manousakis, Eleftherios G. & Zachariadis, Emmanouil E., 2023. "An adaptive memory matheuristic for the set orienteering problem," European Journal of Operational Research, Elsevier, vol. 309(3), pages 1010-1023.
    4. Bernardino, Raquel & Paias, Ana, 2024. "The family capacitated vehicle routing problem," European Journal of Operational Research, Elsevier, vol. 314(3), pages 836-853.
    5. Gustavo Erick Anaya Fuentes & Eva Selene Hernández Gress & Juan Carlos Seck Tuoh Mora & Joselito Medina Marín, 2018. "Solution to travelling salesman problem by clusters and a modified multi-restart iterated local search metaheuristic," PLOS ONE, Public Library of Science, vol. 13(8), pages 1-20, August.
    6. Baniasadi, Pouya & Foumani, Mehdi & Smith-Miles, Kate & Ejov, Vladimir, 2020. "A transformation technique for the clustered generalized traveling salesman problem with applications to logistics," European Journal of Operational Research, Elsevier, vol. 285(2), pages 444-457.
    7. Sapto Wahyu Indratno & Kurnia Novita Sari & Mokhammad Ridwan Yudhanegara, 2022. "Optimization in Item Delivery as Risk Management: Multinomial Case Using the New Method of Statistical Inference for Online Decision," Risks, MDPI, vol. 10(6), pages 1-20, June.

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