Although modern location theory is now more than 90 years old, the focus of researchers in
this area has been mainly problem oriented. However, a common theory, which keeps the …

Location problems occurring in urban or regional settings may involve many tens of
thousands of “demand points,” usually individual private residences. In modeling such …

This paper surveys the history of location models. Starting with the earliest contributions in
mathematics, it follows the journey of the topic through its reincarnations in geography and …

Flexible discrete location problems are a generalization of most classical discrete locations
problems like p-median or p-center problems. They can be modeled by using so-called …

The discrete ordered median problem (DOMP) integrates classical discrete location
problems, such as the N-median, N-center and Uncapacitated Facility Location problems. It …

Growing transportation costs and tight delivery schedules mean that good located decisions
are more crucial than ever in the success or failure of industrial and puplic projects. The …

The discrete ordered median location model is a powerful tool in modeling classic and
alternative location problems that have been applied with success to a large variety of …

In a recent series of papers a new type of objective function in location theory, called
ordered median function, has been introduced and analyzed. This objective function unifies …

To model flexible objectives for discrete location problems, ordered median functions can be
applied. These functions multiply a weight to the cost of fulfilling the demand of a customer …

In this paper we discuss a generic IP-formulation for the Discrete Ordered Weber Problem
(DOWP). The DOWP generalizes classical discrete location problems, such as discrete TV …