Title :
Identification of feature-salience
Author :
Wang, W. ; Jones, P. ; Partridge, D.
Author_Institution :
Dept. of Comput. Sci., Exeter Univ., UK
Abstract :
In this paper we present two techniques designed to identify the relative salience of features in a data-defined problem with respect to their ability to predict a category outcome-e.g., which features of a character contribute most to accurate prediction of outcome. The first technique we proposed is a neural-net based clamping technique and another is based on inductive learning algorithm-decision tree´s heuristic. They are compared with a number of other techniques, i.e., automatic relevance determination (ARD), weight-product, random selection, in addition to a standard statistical technique-linear correlation analysis. The salience of the features that compose a proposed set is an important problem to solve efficiently and effectively not only for neural computing technology but also in order to provide a sound basis for any attempt to design an optimal computational system. The focus of this study is the efficiency as well as the effectiveness with which high-salience subsets of features can be identified in the context of ill-understood and potentially noisy real-world data
Keywords :
data mining; feature extraction; learning by example; neural nets; automatic relevance determination; data-defined problem; feature-salience identification; inductive learning; linear correlation analysis; neural computing technology; neural-net based clamping; optimal computational system; standard statistical technique; Acoustic noise; Clamps; Computer networks; Computer science; Costs; Data mining; Decision trees; Feature extraction; Neural networks; Production;
Conference_Titel :
Neural Networks, 2000. IJCNN 2000, Proceedings of the IEEE-INNS-ENNS International Joint Conference on
Conference_Location :
Como
Print_ISBN :
0-7695-0619-4
DOI :
10.1109/IJCNN.2000.861528