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A constraint-programming-based branch-and-price-and-cut approach for operating room planning and scheduling
Doulabi, Hossein Hashemi; Chen, Guihai; Rousseau, … - In: INFORMS journal on computing : JOC 28 (2016) 3, pp. 432-448
Persistent link: https://www.econbiz.de/10011538974
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Stochastic casualty response planning with multiple classes of patients
Farghadani-Chaharsooghi, Pedram; Doulabi, Hossein Hashemi; … - 2023
Persistent link: https://www.econbiz.de/10014443096
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State-variable modeling for a class of two-stage stochastic optimization problems
Doulabi, Hossein Hashemi; Ahmed, Shabbir; Nemhauser, … - In: INFORMS journal on computing : JOC ; charting new … 34 (2022) 1, pp. 354-369
Persistent link: https://www.econbiz.de/10013359075
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Lagrangean bounds for the optimum communication spanning tree problem
Contreras, Ivan; Fernández, Elena; Marín, Alfredo - In: Top : transactions in operations research 18 (2010) 1, pp. 140-157
Persistent link: https://www.econbiz.de/10003991713
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Hub location as the minimization of a supermodular set function
Contreras, Ivan; Fernández, Elena - In: Operations research 62 (2014) 3, pp. 557-570
Persistent link: https://www.econbiz.de/10010381851
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Branch and price for large-scale capacitated hub location problems with single assignment
Contreras, Ivan; Díaz, Juan A.; Fernández Muñoz, Elena - In: INFORMS journal on computing : JOC 23 (2011) 1, pp. 41-55
Persistent link: https://www.econbiz.de/10008935646
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Lagrangean relaxation for the capacitated hub location problem with single assignment
Contreras, Ivan; Díaz, Juan A.; Fernández, Elena - In: OR spectrum : quantitative approaches in management 31 (2009) 3, pp. 483-505
Persistent link: https://www.econbiz.de/10003841765
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Multi-level facility location as the maximization of a submodular set function
Prtiz-Astorquiza, Camilo; Contreras, Ivan; Laporte, Gilbert - In: European journal of operational research : EJOR 247 (2015) 3, pp. 1013-1016
Persistent link: https://www.econbiz.de/10011386427
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The hub line location problem
Martins de Sá, Elisangela; Contreras, Ivan; Cordeau, … - In: Transportation science : a journal of the Institute for … 49 (2015) 3, pp. 500-518
Persistent link: https://www.econbiz.de/10011338647
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An exact algorithm for the modular hub location problem with single assignments
Tanash, Moayad; Contreras, Ivan; Vidyarthi, Navneet - In: Computers & operations research : and their … 85 (2017), pp. 32-44
Persistent link: https://www.econbiz.de/10011713725