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ORL
2008
111views more  ORL 2008»
13 years 7 months ago
New formulations and valid inequalities for a bilevel pricing problem
Consider the problem of maximizing the toll revenue collected on a multi-commodity transportation network. This fits a bilevel framework where a leader sets tolls, while users res...
Sophie Dewez, Martine Labbé, Patrice Marcot...
DISOPT
2011
176views Education» more  DISOPT 2011»
12 years 11 months ago
Valid inequalities and branch-and-cut for the clique pricing problem
Motivated by an application in highway pricing, we consider the problem that consists in setting profit-maximizing tolls on a clique subset of a multicommodity transportation net...
Géraldine Heilporn, Martine Labbé, P...
WSC
2008
13 years 10 months ago
Simulation-based optimization of a complex mail transportation network
The Swedish Postal Services receives and distributes over 22 million pieces of mail every day. Mail transportation takes place overnight by airplanes, trains, trucks, and cars in ...
Anna Syberfeldt, Henrik Grimm, Amos Ng, Martin And...
OR
2008
Springer
13 years 7 months ago
The best rail fleet mix problem
One of the main objectives for a rail company is to minimize the size of rail freight car fleet in order to reduce operating costs. The problem of rail freight car fleet compositio...
Nebojsa J. Bojovic, Milos Milenkovic
GIS
2003
ACM
14 years 8 months ago
Computational data modeling for network-constrained moving objects
Advances in wireless communications, positioning technology, and other hardware technologies combine to enable a range of applications that use a mobile user's geo-spatial da...
Laurynas Speicys, Christian S. Jensen, Augustas Kl...