Information about the author Frank Plastria will soon be added to the site.
Up- and downgrading the euclidean 1-median problem and knapsack Voronoi diagrams
We consider the 1‐median problem with euclidean distances with uncertainty in...
Continuous location of an assembly station
Demand existing at client points in the plane for several products should be met....
Locating fire stations: An integrated approach for Belgium
This paper illustrates the potential of a decision‐support system developed for...
Alternating local search based VNS for linear classification
We consider the linear classification method consisting of separating two sets of...
Asymmetric distances, semidirected networks and majority in Fermat–Weber problems
The Fermat–Weber problem is considered with distance defined by a quasimetric,...
On the point for which the sum of the distances to n given points is minimum
Translation with annotations of E. Weiszfeld, Sur le point pour lequel la somme des...
The ordered median Euclidean straight-line location problem
An optimal line is sought in the Euclidean plane in terms of the ordered median...
New errorbounds in continuous minisum location for aggregation at the gravity centre
For large scale location problems data is often only available in aggregated form....
Optimal Expected-Distance Separating Halfspace
One recently proposed criterion to separate two data sets in discriminant analysis is...
On the selection of the globally optimal prototype subset for nearest‐neighbor classification
The nearest–neighbor classifier has been shown to be a powerful tool for...
Discrete models for competitive location with foresight
We adapt the competitive location model based on maximal covering to include the...
Solving a Huff-like competitive location and design model for profit maximization in the plane
A chain wants to set up a single new facility in a planar market where similar...
Locating a central hunter on the plane
Protection, surveillance or other types of coverage services of mobile points call for...
Quadratic ordered median location problems
The criteria used in location analysis have to be chosen according to the character of...
Four-point Fermat location problems revisited. New proofs and extensions of old results
What is the point at which the sum of (Euclidean) distances to four fixed points in...
Euclidean push–pull partial covering problems
This paper considers a bicriteria model to locate a semi-obnoxious facility within a...
Reformulation descent applied to circle packing problems
Several years ago classical Euclidean geometry problems of densest packing of circles...
Avoiding cannibalisation and/or competitor reaction in planar single facility location
A single facility has to be located in the plane in competition with fixed existing...
An extended multifacility minimax location problem revisited
We consider the following model of Drezner for the location of several facilities. The...
Formulating logical implications in combinatorial optimisation
When practical problems are formulated as combinatorial optimisation models one must...
Pentomino exclusion and spanning. IP – formulation, valid inequalities and facets
Pentomino exclusion asks to delete a minimum number of cells from a square grid...
Polynomial algorithms for parametric minquantile and maxcovering planar location problems with locational constraints
A location is sought within some convex region of the plane for the central site of...
Discretization results for the Huff and Pareto–Huff competitive location models on networks
In this paper we prove that there always exists a finite set that includes an optimal...
Static competitive facility location: An overview of optimisation approaches
We give an overview of the research, models and literature about optimisation...
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