Axis 4: Real-time decision support

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Cahiers du GERAD

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This paper examines dynamic advertising and promotion strategies in a marketing channel where the retailer promotes the manufacturer's product, and the manu...

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This paper introduces a strong valid inequality, the 2-path cut, to produce better lower bounds for the Vehicle Routing Problem with Time Windows (VRPTW). ...

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This paper introduces a new type of constraints, related to schedule synchronization, in the problem formulation of aircraft fleet assignment and routing pr...

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We consider a weekly locomotive scheduling problem encountered at Swedish State Railways. The objective is to find cyclic locomotive schedules, which minim...

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There are several routing and scheduling problems faced by airline companies, notably, aircraft scheduling, pairing generation and crew bidding and rosterin...

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Crew-Opt is a set-covering method that uses column-generation to produce nearly optimal solutions to crew scheduling problems. We presented this method at t...

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This paper examines whether there is a substantial additional payoff to be derived from using mathematical optimization techniques to globally define a set ...

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This paper presents the development of a new optimal dynamic programming algorithm for the minimization of the total traveling cost for the traveling salesm...

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In many cities around the world, public transportation services are requested to provide adapted transportation for handicapped persons and people with rest...

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Because of the transmission of disease producing parasites to man and animals and the nuisance caused by bites from adult black flies, they are the object o...

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The multiple vehicle many-to-many routing problem is presented in the context of a dial-a-ride system. It is solved by mini-clustering first and optimal ro...

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This paper presents some preliminary results from an ongoing study of the impact of various operating scenarios on the construction and quality of reoutes in...

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Bus fleet route planning is often carried out in the following two sequential stages:<br> 1) Based on the demand, determine the trips to be carried out.<br>...

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Le service de transport des handicapés vise à procurer un transport à toute personne handicapée incapable d'utiliser le service de transport urbain régulier....

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Le problème classique de l'industrie du papier consiste à générer un programme de coupe de façon à satisfaire les demandes des clients, tout en minimisant le...

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