Hub Location Problem with Allowed Routing between Nonhub Nodes

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dc.citation.epage430en_US
dc.citation.issueNumber4en_US
dc.citation.spage410en_US
dc.citation.volumeNumber47en_US
dc.contributor.authorMahmutoğulları, A. I.en_US
dc.contributor.authorKara, B. Y.en_US
dc.date.accessioned2016-02-08T10:20:20Z
dc.date.available2016-02-08T10:20:20Z
dc.date.issued2015en_US
dc.departmentDepartment of Industrial Engineeringen_US
dc.description.abstractIn this study, we relax one of the general assumptions in the hub location literature by allowing routed flows between nonhub nodes. In hub networks, different flows are consolidated and routed via collection, interhub, and distribution arcs. Due to consolidation, some flows travel long paths despite closeness of their origin and destination. In this study, we allow direct flows by penalizing by a scalar factor of original cost of transshipment between these arcs. We present mathematical models for median, center, and set covering versions of the problem for single- and multi-allocation cases. We test the models with the CAB and TR data sets. We discuss the properties of established direct connections for different models by using another mathematical model where the number of direct flows is bounded and interpret the effect of changes in problem parameters.en_US
dc.description.provenanceMade available in DSpace on 2016-02-08T10:20:20Z (GMT). No. of bitstreams: 1 bilkent-research-paper.pdf: 70227 bytes, checksum: 26e812c6f5156f83f0e77b261a471b5a (MD5) Previous issue date: 2015en
dc.identifier.doi10.1111/gean.12075en_US
dc.identifier.eissn1538-4632
dc.identifier.issn0016-7363
dc.identifier.urihttp://hdl.handle.net/11693/23858
dc.language.isoEnglishen_US
dc.publisherWiley-Blackwellen_US
dc.relation.isversionofhttp://dx.doi.org/10.1111/gean.12075en_US
dc.source.titleGeographical Analysisen_US
dc.subjectData seten_US
dc.subjectHub and spoke networken_US
dc.subjectNumerical modelen_US
dc.subjectRoutingen_US
dc.titleHub Location Problem with Allowed Routing between Nonhub Nodesen_US
dc.typeArticleen_US

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