Smart logistics (schedule design, supply chains, logistics, manufacturing systems)
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We consider a cement delivery problem with an heterogeneous fleet of vehicles and several depots. The demands of the customers are typically larger than the ...
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The objective in the continuous facility location problem with limited distances is to minimize the sum of distance functions from the facility to the cust...
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The GRIEG model is a hybrid model of demo-economic projections that combines two approaches: the econometric approach - based on the micro-economy - of the N...
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Community detection in networks based on modularity maximization is currently done with hierarchical divisive or agglomerative as well as with partitioning h...
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Heuristics are widely applied to modularity maximization models for the identification of communities in complex networks. We present an approach to be appli...
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In this paper we study a variant of the Capacitated Team Orienteering Problem (CTOP), that is the problem where a fleet of vehicles, each with a constraint...
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We present a new column generation algorithm for the determination of a classifier in the two classes LAD (Logical Analysis of Data) model. Unlike existing a...
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We study extremal graphs for the extremal values of the second largest <i>Q</i>-eigenvalue of a connected graph. We first characterize all simple connected g...
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Le problème d'affectation d'activités et de tâches consiste à affecter des activités interruptibles et des tâches non interruptibles à des quarts de travai...
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The production-routing problem can be seen as a combination of two well known combinatorial optimization problems: the lotsizing and the vehicle routing prob...
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La plupart des compagnies distribuant de l’huile de chauffage résolvent des problèmes de tournées de véhicules presque quotidiennement. Ces problèmes peuven...
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In the rail industry, profit maximization relies heavily on the integration of logistics activities with an improved management of revenues. The operational ...
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In this paper we study the capacitated team orienteering problem where split deliveries are allowed. A set of potential customers is given, each associated w...
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Normalized cut is one of the most popular graph clustering criteria. The main approaches proposed for its resolution are spectral clustering methods (e.g. [1...
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In this paper, we generalize the Asymmetric Representatives Formulation, which was first introduced by Campêlo et al. (2008) for the Node Coloring Problem. ...
BibTeX referenceIntegrated Airline Crew Scheduling: A Bi-Dynamic Constraint Aggregation Method using Neighborhoods
The integrated crew scheduling (ICS) problem consists of determining, for a set of available crew members, least-cost schedules that cover all flights and re...
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The multi-activity assignment problem consists of assigning interruptible activities to given work shifts so as to match as much as possible for each activit...
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The purpose of this paper is to present and solve a new, important planning problem faced by many shipping companies dealing with the transport of bulk produ...
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The vehicle routing problem with time windows VRPTW consists of finding least-cost vehicle routes to service given customers exactly once each while satisfyi...
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Dans cet article, on raconte l'histoire de l'équipe GENCOL et du logiciel d'optimisation du même nom. C'est avant tout le récit d'une collaboration qui se po...
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