Optimal solutions for routing problems with profits

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Abstract

In this paper, we present a branch-and-price algorithm to solve two well-known vehicle routing problems with profits, the Capacitated Team Orienteering Problem and the Capacitated Profitable Tour Problem. A restricted master heuristic is applied at each node of the branch-and-bound tree in order to obtain primal bound values. In spite of its simplicity, the heuristic computes high quality solutions. Several unsolved benchmark instances have been solved to optimality. © 2011 Elsevier B.V. All rights reserved.

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Archetti, C., Bianchessi, N., & Speranza, M. G. (2013). Optimal solutions for routing problems with profits. Discrete Applied Mathematics, 161(4–5), 547–557. https://doi.org/10.1016/j.dam.2011.12.021

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