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Listar por autor "Guerrero Lozano, Vanesa"
Mostrando ítems 1-8 de 8
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Artículo
Biobjective sparse principal component analysis
Carrizosa Priego, Emilio José; Guerrero Lozano, Vanesa (Academic Press Inc., 2014-08-21)Principal Components are usually hard to interpret. Sparseness is considered as one way to improve interpretability, and ...
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Tesis Doctoral
Mathematical optimization for the visualization of complex datasets
Guerrero Lozano, Vanesa (2017-06-26)This PhD dissertation focuses on developing new Mathematical Optimization models and solution approaches which help to ...
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Artículo
On Building Online Visualization Maps for News Data Streams by Means of Mathematical Optimization
Carrizosa Priego, Emilio José; Guerrero Lozano, Vanesa; Hardt, Daniel; Romero Morales, María Dolores (Mary Ann Liebert, INC, 2018-06-01)In this article we develop a novel online framework to visualize news data over a time horizon. First, we perform a Natural ...
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Artículo
On Mathematical Optimization for the visualization of frequencies and adjacencies as rectangular maps
Carrizosa Priego, Emilio José; Guerrero Lozano, Vanesa; Romero Morales, María Dolores (ELSEVIER SCIENCE BV, 2018-02-18)In this paper, we address the problem of visualizing a frequency distribution and an adjacency relation attached to a set ...
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Artículo
rs-Sparse principal component analysis: A mixed integer nonlinear programming approach with VNS
Carrizosa Priego, Emilio José; Guerrero Lozano, Vanesa (PERGAMON-ELSEVIER SCIENCE LTD, 2013-05-03)Principal component analysis is a popular data analysis dimensionality reduction technique, aiming to project with minimum ...
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Artículo
Visualization of complex dynamic datasets by means of mathematical optimization
Carrizosa Priego, Emilio José; Guerrero Lozano, Vanesa; Romero Morales, María Dolores (PERGAMON-ELSEVIER SCIENCE LTD, 2019-07-01)In this paper we propose an optimization model and a solution approach to visualize datasets which are made up of individuals ...
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Artículo
Visualizing data as objects by DC (difference of convex) optimization
Carrizosa Priego, Emilio José; Guerrero Lozano, Vanesa; Romero Morales, María Dolores (Springer, 2017)In this paper we address the problem of visualizing in a bounded region a set of individuals, which has attached a ...
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Artículo
Visualizing proportions and dissimilarities by space-filling maps: a large neighborhood search approach
Carrizosa Priego, Emilio José; Guerrero Lozano, Vanesa; Romero Morales, María Dolores (Elsevier, 2017-02)In this paper we address the problem of visualizing a set of individuals, which have attached a statistical value given ...