Gilbert Laporte

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In 1986, Carter published a survey of papers on practical examination timeXabling, in the intervening years, there have been a number of new apphcations, and sevca'al innovative techniques have been attempted. In this paper, we will classify the algodthm.~, discuss their reported results and try to draw some conclusions on the state of the art. We have not(More)
This article traces the evolution of ambulance location and relocation models proposed over the past 30 years. The models are classified in two main categories. Deterministic models are used at the planning stage and ignore stochastic considerations regarding the availability of ambulances. Probabilistic models reflect the fact that ambulances operate as(More)
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This paper introduces, models and solves a generalization of the Orienteering Problem, called the The Orienteering Problem with Variable Profits (OPVP). The OPVP is defined on a complete undirected graph G = (V,E), with a depot at vertex 0. Every vertex i ∈ V \ {0} has a profit pi to be collected, and an associated collection parameter αi ∈ [0, 1]. The(More)