Paper #425

Título:

Hierarchical location-allocation models for congested systems

Autores:

Vladimir Marianov y Daniel Serra

Data:

Enero 2000

Resumen:

In this paper we address the issue of locating hierarchical facilities in the presence of congestion. Two hierarchical models are presented, where lower level servers attend requests first, and then, some of the served customers are referred to higher level servers. In the first model, the objective is to find the minimum number of servers and their locations that will cover a given region with a distance or time standard. The second model is cast as a Maximal Covering Location formulation. A heuristic procedure is then presented together with computational experience. Finally, some extensions of these models that address other types of spatial configurations are offered.

Palabras clave:

Hierarchical location, congestion, queueing

Códigos JEL:

C61, R12, R53

Área de investigación:

Gestión de la Producción y de las Operaciones

Publicado en:

European Journal of Operational Research, 135, 1, (2001), pp. 196-209

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