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TRANSCI
2010
169views more  TRANSCI 2010»
13 years 2 months ago
A Model and Algorithm for the Courier Delivery Problem with Uncertainty
We consider the Courier Delivery Problem, a variant of the Vehicle Routing Problem with time windows in which customers appear probabilistically and their service times are uncert...
Ilgaz Sungur, Yingtao Ren, Fernando Ordó&nt...
COR
2010
152views more  COR 2010»
13 years 7 months ago
Variable neighborhood search for the dial-a-ride problem
In dial-a-ride problems passengers have to be transported between pre-specified pickup and delivery locations under user inconvenience considerations. The problem variant consider...
Sophie N. Parragh, Karl F. Doerner, Richard F. Har...
WSC
1998
13 years 8 months ago
Reactive Tabu Search in Unmanned Aerial Reconnaissance Simulations
We apply a Reactive Tabu Search (RTS) heuristic within a discrete-event simulation to solve routing problems for Unmanned Aerial Vehicles (UAVs). Our formulation represents this p...
Joel L. Ryan, T. Glenn Bailey, James T. Moore, Wil...
EOR
2007
69views more  EOR 2007»
13 years 7 months ago
Optimizing the periodic pick-up of raw materials for a manufacturer of auto parts
— We describe a solution procedure for a special case of the periodic vehicle routing problem (PVRP). Operation managers at an auto parts in the north of Spain described the opti...
Jesús F. Alegre, Manuel Laguna, Joaqu&iacut...
AOR
2010
13 years 4 months ago
Solutions diversification in a column generation algorithm
Column generation algorithms have been specially designed for solving mathematical programs with a huge number of variables. Unfortunately, this method suffers from slow convergen...
Nora Touati Moungla, Lucas Létocart, Anass ...