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Authors: Hayet Chentli 1 ; Rachid Ouafi 1 and Wahiba Ramdane Cherif-Khettaf 2

Affiliations: 1 USTHB, Algeria ; 2 Lorraine University, France

Keyword(s): Heuristics, Iterative Local Search, Vehicle Routing Problem.

Abstract: In the present paper, we study the behaviour of a hybrid Iterative Local Search heuristic (ILS). A Large Neighborhood Search heuristic (LNS) and a Variable Neighborhood Descent with Random neighborhood ordering (RVND) are used in the local search phase of the proposed ILS. The approach is evaluated on a well-known variant of the Vehicle Routing Problem (VRP) called Capacitated Profitable Tour Problem (CPTP). In this variant, the vehicles are no longer required to visit all the customers. However, a specific profit is obtained each time a customer is visited. The goal of the CPTP is to design routes with maximum difference between collected profits and routing costs, which satisfy the capacity constraint of the vehicles. The experimental study consists in comparing different combinations of ILS, LNS and RVND. The computational results show that the hybridization of the three heuristics leads to better solutions. Furthermore, comparisons with a Variable Neighborhood Search and two Tabu Searches from the literature indicates that our hybrid approach is competitive. (More)

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Paper citation in several formats:
Chentli, H.; Ouafi, R. and Cherif-Khettaf, W. (2018). Behaviour of a Hybrid ILS Heuristic on the Capacitated Profitable Tour Problem. In Proceedings of the 7th International Conference on Operations Research and Enterprise Systems - ICORES; ISBN 978-989-758-285-1; ISSN 2184-4372, SciTePress, pages 115-123. DOI: 10.5220/0006630401150123

@conference{icores18,
author={Hayet Chentli. and Rachid Ouafi. and Wahiba Ramdane Cherif{-}Khettaf.},
title={Behaviour of a Hybrid ILS Heuristic on the Capacitated Profitable Tour Problem},
booktitle={Proceedings of the 7th International Conference on Operations Research and Enterprise Systems - ICORES},
year={2018},
pages={115-123},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0006630401150123},
isbn={978-989-758-285-1},
issn={2184-4372},
}

TY - CONF

JO - Proceedings of the 7th International Conference on Operations Research and Enterprise Systems - ICORES
TI - Behaviour of a Hybrid ILS Heuristic on the Capacitated Profitable Tour Problem
SN - 978-989-758-285-1
IS - 2184-4372
AU - Chentli, H.
AU - Ouafi, R.
AU - Cherif-Khettaf, W.
PY - 2018
SP - 115
EP - 123
DO - 10.5220/0006630401150123
PB - SciTePress