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DISOPT
2011
176views Education» more  DISOPT 2011»
8 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...
OL
2010
128views more  OL 2010»
9 years 6 months ago
A biased random-key genetic algorithm for road congestion minimization
One of the main goals in transportation planning is to achieve solutions for two classical problems, the traffic assignment and toll pricing problems. The traffic assignment proble...
Luciana S. Buriol, Michael J. Hirsch, Panos M. Par...
IJCGA
2008
132views more  IJCGA 2008»
9 years 8 months ago
Constructing the City Voronoi Diagram Faster
Given a set S of n point sites in the plane, the City Voronoi diagram partitions the plane into the Voronoi regions of the sites, with respect to the City metric. This metric is i...
Robert Görke, Chan-Su Shin, Alexander Wolff
CCCG
2003
9 years 9 months ago
Network Design Subject to Facility Location
We consider the problem of designing a transportation network to allow the residents of the network to avail service provided by a single facility whose location is predetermined....
Laxmi Gewali, Joy Bhadury, Ramaswamy Chandrasekara...
WSC
2008
9 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...
ISAAC
2003
Springer
125views Algorithms» more  ISAAC 2003»
10 years 1 months ago
A Heuristic for the Stacker Crane Problem on Trees Which Is Almost Surely Exact
Abstract Given an edge-weighted transportation network G and a list of transportation requests L, the Stacker Crane Problem is to find a minimum-cost tour for a server along the e...
Amin Coja-Oghlan, Sven Oliver Krumke, Till Nierhof...
EDBT
2009
ACM
162views Database» more  EDBT 2009»
10 years 3 months ago
A data model for trip planning in multimodal transportation systems
This paper introduces the problem of modeling urban transportation systems in a database where certain aspects of the data are probabilistic in nature. The transportation network ...
Joel Booth, A. Prasad Sistla, Ouri Wolfson, Isabel...
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