Improved market segmentation by fuzzifying crisp clusters: A case study of the energy market in Spain

M Casabayó, N Agell, G Sánchez-Hernández - Expert Systems with …, 2015 - Elsevier
This paper provides an innovative segmentation approach stemming from the combination
of cluster analyses and fuzzy learning techniques. Our research provides a real case …

Ranking and selection of unsupervised learning marketing segmentation

G Sánchez-Hernández, F Chiclana, N Agell… - Knowledge-based …, 2013 - Elsevier
This paper addresses the problem of choosing the most appropriate classification from a
given set of classifications of a set of patterns. This is a relevant topic on unsupervised …

Using AI techniques in the grocery industry: Identifying the customers most likely to defect

M Casabayó, N Agell, JC Aguado - The International Review of …, 2004 - Taylor & Francis
The food retailing market has reached a mature stage where companies need to be
competitive if they are to survive. Customers are ever more demanding and retailers need to …

[PDF][PDF] Classification of sags measured in a distribution substation based on qualitative and temporal descriptors

J Mora, D Llanos, J Melendez, J SÁNCHEZ… - Signal, 2003 - researchgate.net
This paper discuss about the characterization of voltage sags, based on the extraction of
significant features. These are used to give a qualitative/quantitative description, useful for …

[PDF][PDF] A Qualitative Reasoning Approach for measuring citizens' satisfaction

M Domingo Gou, N Agell Jané… - Frontiers in artificial …, 2004 - upcommons.upc.edu
This paper lies within the domain of learning algorithms based on fuzzy logic connectives. It
is shown how the use of qualitative information in a learning process will increase the power …

Using orders of magnitude and nominal variables to construct fuzzy partitions

C Olmo, G Sánchez, F Prats, N Agell… - 2007 IEEE …, 2007 - ieeexplore.ieee.org
The application of qualitative reasoning to learning algorithms can provide these models
with the capability of automate common-sense and expert reasoning. Learning algorithms …

Classification of short duration faults (voltage sags) in transmission and distribution power systems

D Llanos, J Mora, J Meléndez, M Ruiz… - 2003 European …, 2003 - ieeexplore.ieee.org
Two techniques for voltage sags characterisation and classification have been integrated.
The objective is to assist monitoring systems in order to improve automatic recognition of …

Selection criteria for fuzzy unsupervised learning: Applied to market segmentation

G Sánchez, N Agell, JC Aguado, M Sánchez… - Foundations of Fuzzy …, 2007 - Springer
The use of unsupervised fuzzy learning methods produces a large number of alternative
classifications. This paper presents and analyzes a series of criteria to select the most …

Statistical analysis and a conceptual clustering method to rank clients of a financial bank

JJ MORA, JC Llinás - Scientia et technica, 2004 - revistas.utp.edu.co
En este artículo, se presenta una propuesta de clasificación para la categorización de
clientes del banco Tatra Bank (Eslovaquia). En esta propuesta se realiza un análisis …

[PDF][PDF] Modeling the banks client behavior using a hybrid approach based on statistical techniques and a fuzzy method of conceptual clustering

JJ Mora, R Fernández, J Colomer, J Melendez - researchgate.net
In this paper, a classification approach to solve the Tatra Bank problem proposed by
EUNITE is given. This approach presents a statistical analysis of data in order to select …