Presenting a Multi-Start Hybrid Heuristic for Solving the Problem of Two-Echelon Location-Routing Problem with Simultaneous Pickup and Delivery (2E-LRPSPD)

<table class="table-group" id="tab10"><tr><td><table class="table"><tr><td class="thead-hr" colspan="1"><hr/></td></tr><tr><td class="align_left"><i>Problem</i></td></tr><tr><td class="align_left">2E-LRP: Two-echelon location-routing problem</td></tr><tr><td class="align_left">2E-LRPSPD: Two-echelon location-routing problem with simultaneous pickup and delivery</td></tr><tr><td class="align_left">LRP: Location routing problem</td></tr><tr><td class="align_left">LRPSPD: Location routing problem with simultaneous delivery and pickup</td></tr><tr><td class="align_left">2E-OLRP: Two-echelon open location routing problem</td></tr><tr><td class="align_left"><hr/></td></tr><tr><td class="align_left"><i>Heuristic and exact algorithm</i></td></tr><tr><td class="align_left">MHH-PR: Multistart hybrid heuristic with path relinking</td></tr><tr><td class="align_left">NP-hard: Nondeterministic polynomial-time hard</td></tr><tr><td class="align_left">SA: Simulated annealing heuristic</td></tr><tr><td class="align_left">MA: Memetic algorithm</td></tr><tr><td class="align_left">VND: Variable neighbourhood descent</td></tr><tr><td class="align_left">LS: Local search</td></tr><tr><td class="align_left">TS: Tabu search</td></tr><tr><td class="align_left">VNS: Variable neighbourhood search algorithm</td></tr><tr><td class="align_left">PSO: Particle swarm optimisation</td></tr><tr><td class="align_left">B&amp;C: Branch-and-cut algorithm</td></tr><tr><td class="align_left">GA: Genetic algorithm</td></tr><tr><td class="align_left">PR: Path relinking</td></tr><tr><td class="align_left">NNH: Nearest neighbour heuristic</td></tr><tr class="table-tr"><td colspan="1"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Summary of the abbreviations used in the paper.</div>

Journal of Advanced Transportation

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Table 10

Table 10: Presenting a Multi-Start Hybrid Heuristic for Solving the Problem of Two-Echelon Location-Routing Problem with Simultaneous Pickup and Delivery (2E-LRPSPD) 

Table 10 | Presenting a Multi-Start Hybrid Heuristic for Solving the Problem of Two-Echelon Location-Routing Problem with Simultaneous Pickup and Delivery (2E-LRPSPD) 