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Listar Estadística e Investigación Operativa por autor "Plastria, Frank"
Mostrando ítems 1-18 de 18
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Artículo
A characterization of efficient points in constrained location problems with regional demand
Carrizosa Priego, Emilio José; Plastria, Frank (ELSEVIER SCIENCE BV, 1996-02-01)In this paper we characterize the set of efficient points in the planar point-objective location problem under a convex ...
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Artículo
Alternating local search based VNS for linear classification
Plastria, Frank; Bruyne, Steven de; Carrizosa Priego, Emilio José (Springer, 2010-02)We consider the linear classification method consisting of separating two sets of points in d-space by a hyperplane. We ...
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Capítulo de Libro
Dimensionality Reduction for Classification: Comparison of Techniques and Dimension Choice
Plastria, Frank; Bruyne, Steven de; Carrizosa Priego, Emilio José (Springer, 2008)We investigate the effects of dimensionality reduction using different techniques and different dimensions on six two-class ...
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Artículo
Dominators for multiple-objective quasiconvex maximization problems
Carrizosa Priego, Emilio José; Plastria, Frank (Springer, 2000-01-06)In this paper we address the problem of finding a dominator for a multiple-objective maximization problem with quasiconvex ...
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Artículo
Gauge Distances and Median Hyperplanes
Plastria, Frank; Carrizosa Priego, Emilio José (Springer, 2001-01-01)A median hyperplane in d-dimensional space minimizes the weighted sum of the distances from a finite set of points to it. ...
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Artículo
Linear separation and approximation by minimizing the sum of concave functions of distances
Plastria, Frank; Carrizosa Priego, Emilio José (Springer, 2014-03-01)One recently proposed criterion to separate two data sets in Classification is to use a hyperplane that minimizes the sum ...
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Artículo
Locating a semi-obnoxious covering facility with repelling polygonal regions
Plastria, Frank; Gordillo, José; Carrizosa Priego, Emilio José (ELSEVIER SCIENCE BV, 2013-11-01)A facility is to be located in the Euclidean plane to serve certain sites by covering them closely. Simultaneously, a set ...
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Artículo
Locating an undesirable facility by generalized cutting planes
Carrizosa Priego, Emilio José; Plastria, Frank (Informs, 1998-08-03)We address the problem of locating an undesirable facility within a compact set by minimizing a strictly decreasing ...
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Artículo
Minmax-distance approximation and separation problems: geometrical properties
Plastria, Frank; Carrizosa Priego, Emilio José (Springer, 2010-04-01)A center hyperplane in the d-dimensional space minimizes the maximum of its distances from a finite set of points A with ...
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Artículo
Multi-instance classification through spherical separation and VNS
Plastria, Frank; Carrizosa Priego, Emilio José; Gordillo, José (PERGAMON-ELSEVIER SCIENCE LTD, 2013-05-17)A two-class classification problem is considered where the objects to be classified are bags of instances in d-space. The ...
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Artículo
On the Selection of the Globally Optimal Prototype Subset for Nearest-Neighbor Classification
Carrizosa Priego, Emilio José; Martín Barragán, Belén; Plastria, Frank; Romero Morales, María Dolores (Informs, 2007-07-20)The nearest-neighbor classifier has been shown to be a powerful tool for multiclass classification. We explore both ...
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Artículo
Optimal expected-distance separating halfspace
Carrizosa Priego, Emilio José; Plastria, Frank (INFORMS (Institute for Operations Research and Management Sciences), 2008-08)One recently proposed criterion to separate two datasets in discriminant analysis, is to use a hyperplane which minimises ...
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Artículo
Optimal location and design of a competitive facility
Plastria, Frank; Carrizosa Priego, Emilio José (Springer, 2004-06)A single facility has to be located in competition with fixed existing facilities of similar type. Demand is supposed to ...
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Tesis Doctoral
Optimization-based methods for classification and regression problems with imprecise data
Gordillo Santofimia, José Feliciano (2008)En esta tesis, desarrollamos varias herramientas para resolver problemas de clasificación y regresión donde los elementos ...
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Artículo
Polynomial algorithms for parametric minquantile and maxcovering planar location problems with locational constraints
Carrizosa Priego, Emilio José; Plastria, Frank (Springer, 1998-12-01)A location is sought within some convex region of the plane for the central site of some public service to a finite number ...
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Artículo
Single-facility huff location problems on networks
Blanquero Bravo, Rafael; Carrizosa Priego, Emilio José; Nogales Gómez, Amaya; Plastria, Frank (Springer, 2013-09-17)Huff location problems have been extensively analyzed within the field of competitive continuous location. In this work, ...
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Artículo
The determination of a "least quantile of squares regression line" for all quantiles
Carrizosa Priego, Emilio José; Plastria, Frank (Elsevier Science, 1994-09-01)Least median of squares regression has shown to be an extremely useful tool in robust regression analysis. In this note, ...
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Artículo
Undesirable facility location with minimal covering objectives
Plastria, Frank; Carrizosa Priego, Emilio José (ELSEVIER SCIENCE BV, 1999-11-19)An undesirable facility is to be located within some feasible region of any shape in the plane or on a planar network. ...