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Enhancing Web-Spatial DSS interactivity with parallel computing: The case of bio-energy economic assessment in Greece
Kremmydas, Dimitris; Haque, M.I.; Rozakis, Stelios - Department of Agricultural Economics, Agricultural … - 2011
A web based Spatial Decision Support System (web SDSS) has been implemented in Thessaly, the most significant arable cropping region in Greece, in order to evaluate selected energy crop supply. The web SDSS uses an optimization module to support the decision process, incorporating user input...
Persistent link: https://www.econbiz.de/10009151648
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Generalized local branching heuristics and the capacitated ring tree problem
HILL, Alessandro; VOß, Stefan - Faculteit Toegepaste Economische Wetenschappen, … - 2014
In this paper we present a heuristic framework that is based on mathematical programming to solve network design problems. Our techniques combine local branching with locally exact refinements. In an iterative strategy an existing solution is refined by solving restricted mixed integer programs...
Persistent link: https://www.econbiz.de/10011156830
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Infrastrukturentwicklung im europäischen Korridor Rotterdam-Genua: das INTERREG-IV-B-Projekt "Code 24"
Scheck, Christoph; Wilske, Sebastian - In: Schneller, öfter, weiter? Perspektiven der …
The growing mobility of the last years influences the development of economy, environment and space. In this context there are new areas of conflict both between transport and settlement development and between economy and environment. Extra high increases are expected in the multi-modal...
Persistent link: https://www.econbiz.de/10011266736
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Analysis of transportation and logistics processes for soybeans in Brazil
Fliehr, Olivia - Bundesforschungsinstitut für Lädliche Räume, Wald … - 2013
This study examines the relevance of Brazilian domestic transportation and logistics processes for agricultural bulk … impact of logistics and transportation on the competitiveness of soybeans in a national comparison, export processes starting … information from expert interviews. Experts belong to the transportation and logistics sector, to the sector of agricultural …
Persistent link: https://www.econbiz.de/10010985835
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Economics of grain accumulation for ethanol production: a regional case study
Anderton, N.; Kingwell, Ross S. - Australian Agricultural and Resource Economics Society … - 2007
owner. Logistics models' based on mathematical programming were constructed to depict a range of plant sizes and locations …
Persistent link: https://www.econbiz.de/10004989458
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Simultaneous production and logistics operations planning in semicontinuous food industries
Kopanos, Georgios M.; Puigjaner, Luis; Georgiadis, … - In: Omega 40 (2012) 5, pp. 634-650
The production and logistics operations planning in real-life single- or multi-site semicontinuous food industries is …
Persistent link: https://www.econbiz.de/10010573972
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ПРОИЗВОДСТВЕННЫЕ ОТНОШЕНИЯ ЭКОНОМИЧЕСКОЙ СИСТЕМЫ ПОСТИНДУСТРИАЛЬНОГО МИРА
ГЕННАДИЕВИЧ, ДУДИН СЕРГЕЙ - In: Journal of Economic Regulation (Вопросы … 4 (2013) 3, pp. 8-13
В статье рассматривается вопрос изменений в социально-экономических формациях логистических потоков и производственных отношений экономической системы...
Persistent link: https://www.econbiz.de/10011227701
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The splittable pickup and delivery problem with reloads
Kerivin, H.L.M.; Lacroix, M.; Mahjoub, A.R.; Quilliot, A. - In: European Journal of Industrial Engineering 2 (2008) 2, pp. 112-133
In this paper, we consider a variant of the Pickup and Delivery Problem (PDP), where any demand may be dropped off elsewhere other than its destination, picked up later by the same or another vehicle, and so on until it has reached its destination. We discuss the complexity of this problem and...
Persistent link: https://www.econbiz.de/10008563656
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Applying mod-k-cuts for solving linear ordering problems
Oswald, M.; Reinelt, G.; Seitz, H. - In: TOP: An Official Journal of the Spanish Society of … 17 (2009) 1, pp. 158-170
Persistent link: https://www.econbiz.de/10004995449
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Lot-sizing problems: modelling issues and a specialized branch-and-cut system BC-PROD
BELVAUX, Gaetan; WOLSEY, Laurence A. - Center for Operations Research and Econometrics (CORE), … - 1998
BC-PROD is a prototype modelling and optimization system designed and able to tackle a wide variety of the discrete-time lot-sizing problems arising both in practice and in the literature. To use BC-PROD, the user needs to formulate his/her problem as a mixed integer program using XPRESS-MP's...
Persistent link: https://www.econbiz.de/10005043557