Please use this identifier to cite or link to this item: https://hdl.handle.net/20.500.14365/887
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dc.contributor.authorKocaturk, Fatih-
dc.contributor.authorTütüncü, Gözde Yazgı-
dc.contributor.authorSalhi, Said-
dc.date.accessioned2023-06-16T12:47:50Z-
dc.date.available2023-06-16T12:47:50Z-
dc.date.issued2021-
dc.identifier.issn0254-5330-
dc.identifier.issn1572-9338-
dc.identifier.urihttps://doi.org/10.1007/s10479-021-04137-6-
dc.identifier.urihttps://hdl.handle.net/20.500.14365/887-
dc.description.abstractIn this paper, we investigate the Multi-Depot Heterogeneous VRP with Backhauls. Though the problem is a generalisation of three existing routing problems, this is the first time this combined routing problem is investigated. A mathematical formulation is first presented followed by some tightening. A powerful and novel hybridisation of Variable Neighbourhood Search (VNS) with the Greedy Randomized Adaptive Memory Programming Search is proposed. As there are no problem instances available for bench-marking and evaluation purposes, we generated data sets by combining those from existing vehicle routing problems. The proposed meta-heuristic obtains a number of optimal solutions for small instances and yields about 13% gap from the lower bounds compared to nearly 40% and 20% average gap values for our CPLEX implementation and the VNS without hybridisation, respectively.en_US
dc.description.sponsorshipScientific and Technological Research Council of Turkey (TuBTAK) [1001 - 213M438]en_US
dc.description.sponsorshipThe authors acknowledge the support of the Scientific and Technological Research Council of Turkey (TuBTAK), Grant Number 1001 - 213M438. The authors are also grateful to both referees whose invaluable comments have improved the content as well as the presentation of the paper.en_US
dc.language.isoenen_US
dc.publisherSpringeren_US
dc.relation.ispartofAnnals of Operatıons Researchen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectRoutingen_US
dc.subjectHeterogeneous vehicle fleeten_US
dc.subjectBackhaulingen_US
dc.subjectMultiple depotsen_US
dc.subjectGRAMPS and VNS hybridisationen_US
dc.subjectVehicle-Routing Problemen_US
dc.subjectFleet Sizeen_US
dc.subjectSearchen_US
dc.subjectPickupen_US
dc.subjectSingleen_US
dc.subjectAlgorithmen_US
dc.titleThe Multi-Depot Heterogeneous Vrp With Backhauls: Formulation and a Hybrid Vns With Gramps Meta-Heuristic Approachen_US
dc.typeArticleen_US
dc.identifier.doi10.1007/s10479-021-04137-6-
dc.identifier.scopus2-s2.0-85107609502en_US
dc.departmentİzmir Ekonomi Üniversitesien_US
dc.authoridKocatürk, Fatih/0000-0001-7387-9907-
dc.authoridTutuncu, G.Yazgi/0000-0002-9363-6141-
dc.authorwosidKocatürk, Fatih/HJY-6694-2023-
dc.authorwosidKocatürk, Fatih/AAS-1047-2021-
dc.authorscopusid56252519800-
dc.authorscopusid26436326500-
dc.authorscopusid56194863700-
dc.identifier.volume307en_US
dc.identifier.issue1.Şuben_US
dc.identifier.startpage277en_US
dc.identifier.endpage302en_US
dc.identifier.wosWOS:000658586000001en_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.identifier.scopusqualityQ2-
dc.identifier.wosqualityQ1-
item.grantfulltextopen-
item.fulltextWith Fulltext-
item.openairecristypehttp://purl.org/coar/resource_type/c_18cf-
item.languageiso639-1en-
item.openairetypeArticle-
item.cerifentitytypePublications-
crisitem.author.dept02.02. Mathematics-
Appears in Collections:Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection
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