Title :
An empirical risk functional to improve learning in a neuro-fuzzy classifier
Author :
Castellano, Giovanna ; Fanelli, Anna M. ; Mencar, Corrado
Author_Institution :
Dept. of Informatics, Univ. of Bari, Italy
Abstract :
The paper proposes a new Empirical Risk Functional as cost function for training neuro-fuzzy classifiers. This cost function, called Approximate Differentiable Empirical Risk Functional (ADERF), provides a differentiable approximation of the misclassification rate so that the Empirical Risk Minimization Principle formulated in Vapnik´s Statistical Learning Theory can be applied. Also, based on the proposed ADERF, a learning algorithm is formulated. Experimental results on a number of benchmark classification tasks are provided and comparison to alternative approaches given.
Keywords :
approximation theory; fuzzy control; fuzzy neural nets; learning (artificial intelligence); pattern classification; risk analysis; statistical analysis; Vapnik statistical learning theory; differentiable approximation; empirical risk minimization principle; gradient-based learning; neuro-fuzzy classifier; Algorithm design and analysis; Approximation algorithms; Cost function; Fuzzy set theory; Fuzzy sets; Fuzzy systems; Pattern classification; Radio frequency; Risk management; Statistical learning;
Journal_Title :
Systems, Man, and Cybernetics, Part B: Cybernetics, IEEE Transactions on
DOI :
10.1109/TSMCB.2003.811291