The primary objective in a typical hierarchical facility location problem is to determine the
location of facilities in a multi-level network in a way to serve the customers at the lowest …

In this study, we review the hierarchical facility location models. Although there have been a
number of review papers on hierarchical facility problems, a comprehensive treatment of …

There is considerable evidence that because of poor geographical accessibility, basic
health care does not reach the majority of the population in developing nations. Despite the …

The past four decades have witnessed an explosive growth in the field of network-based
facility location modeling. As Krarup and Pruzan (1983) point out, this is not at all surprising …

This paper presents a model for the budget-constrained dynamic (multi-period)
uncapacitated facility location–network design problem (DUFLNDP). This problem is …

This paper designs a reliable healthcare network. Under limited capacity, queue of patients
may deteriorate the condition and leads to risk of death. Consequently, it is vital to …

While data limitations do not preclude the application of location-allocation (LA) models in
the Third World, the socio-spatial circumstances in such locations are sufficiently different to …

In practice, the systems that provide services/products generally consist of two or more
levels of facilities. At present, only a few of these systems have been modelled and solved …

The absence of an integrated system of settlements providing services and facilities is often
cited as a cause of underdevelopment in rural areas. Location-allocation analysis systems …

In order to reduce infant mortality in the municipality of Rio de Janeiro it is desired to
encourage all mothers-to-be to attend the appropriate health care facilities. A 3-level …