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» Pruning in column generation for service vehicle dispatching
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ANOR
2008
93views more  ANOR 2008»
13 years 7 months ago
Pruning in column generation for service vehicle dispatching
Abstract Column generation techniques have become a widely used technique to successfully solve large (integer) linear programs. One of the keys to obtaining a practically efficien...
Stephan Westphal, Sven Oliver Krumke
COR
2007
176views more  COR 2007»
13 years 6 months ago
Scheduling and routing of automated guided vehicles: A hybrid approach
We propose a hybrid method designed to solve a problem of dispatching and conflict free routing of automated guided vehicles (AGVs) in a flexible manufacturing system (FMS). Thi...
Ayoub Insa Corréa, André Langevin, L...

Presentation
1575views
15 years 5 months ago
Beyond Generating Transit Performance Measures: Visualizations and Statistical Analysis using Historical Data
In recent years, the use of performance measures for transit planning and operations has gained a great deal of attention, particularly as transit agencies are required to provide ...
M. Berkow, A. El-Geneidy, R.L. Bertini, D. Crout

Publication
293views
15 years 5 months ago
Using Archived Data to Generate Transit Performance Measures.
Measuring the performance of a transit system is the first step toward efficient and proactive management. In recent years, the use of performance measures for transportation plan...
R. L. Bertini, A. M. El-Geneidy
EOR
2007
90views more  EOR 2007»
13 years 6 months ago
Arc routing problems with time-dependent service costs
This paper studies an arc routing problem with capacity constraints and time-dependent service costs. This problem is motivated by winter gritting applications where the ‘‘tim...
Mariam Tagmouti, Michel Gendreau, Jean-Yves Potvin