Formulation of linguistic regression model based on natural words

When human experts express their ideas and thoughts, human words are basically employed in these expressions. That is, the experts with much professional experiences are capable of making assessment using their intuition and experiences. The measurements and interpretation of characteristics are tak...

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Main Authors: Toyoura, Y., Watada, J., Khalid, M., Yusof, R.
Format: Article
Language:English
Published: Springer Berlin / Heidelberg 2004
Subjects:
Online Access:http://eprints.utm.my/9850/
http://eprints.utm.my/9850/1/MKhalid2004_Formulation_of_linguistic_regression_model.pdf
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author Toyoura, Y.
Watada, J.
Khalid, M.
Yusof, R.
author_facet Toyoura, Y.
Watada, J.
Khalid, M.
Yusof, R.
author_sort Toyoura, Y.
building UTeM Institutional Repository
collection Online Access
description When human experts express their ideas and thoughts, human words are basically employed in these expressions. That is, the experts with much professional experiences are capable of making assessment using their intuition and experiences. The measurements and interpretation of characteristics are taken with uncertainty, because most measured characteristics, analytical result, and field data can be interpreted only intuitively by experts. In such cases, judgments may be expressed using linguistic terms by experts. The difficulty in the direct measurement of certain characteristics makes the estimation of these characteristics imprecise. Such measurements may be dealt with the use of fuzzy set theory. As Professor L. A. Zadeh has placed the stress on the importance of the computation with words, fuzzy sets can take a central role in handling words [12, 13]. In this perspective fuzzy logic approach is offten thought as the main and only useful tool to deal with human words. In this paper we intend to present another approach to handle human words instead of fuzzy reasoning. That is, fuzzy regression analysis enables us treat the computation with words. In order to process linguistic variables, we define the vocabulary translation and vocabulary matching which convert linguistic expressions into membership functions on the interval [0–1] on the basis of a linguistic dictionary, and vice versa. We employ fuzzy regression analysis in order to deal with the assessment process of experts from linguistic variables of features and characteristics of an objective into the linguistic expression of the total assessment. The presented process consists of four portions: (1) vocabulary translation, (2) estimation, (3) vocabulary matching and (4) dictionary. We employed fuzzy quantification theory type 2 for estimating the total assessment in terms of linguistic structural attributes which are obtained from an expert.
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spelling utm-98502010-06-02T02:04:08Z http://eprints.utm.my/9850/ Formulation of linguistic regression model based on natural words Toyoura, Y. Watada, J. Khalid, M. Yusof, R. TK Electrical engineering. Electronics Nuclear engineering When human experts express their ideas and thoughts, human words are basically employed in these expressions. That is, the experts with much professional experiences are capable of making assessment using their intuition and experiences. The measurements and interpretation of characteristics are taken with uncertainty, because most measured characteristics, analytical result, and field data can be interpreted only intuitively by experts. In such cases, judgments may be expressed using linguistic terms by experts. The difficulty in the direct measurement of certain characteristics makes the estimation of these characteristics imprecise. Such measurements may be dealt with the use of fuzzy set theory. As Professor L. A. Zadeh has placed the stress on the importance of the computation with words, fuzzy sets can take a central role in handling words [12, 13]. In this perspective fuzzy logic approach is offten thought as the main and only useful tool to deal with human words. In this paper we intend to present another approach to handle human words instead of fuzzy reasoning. That is, fuzzy regression analysis enables us treat the computation with words. In order to process linguistic variables, we define the vocabulary translation and vocabulary matching which convert linguistic expressions into membership functions on the interval [0–1] on the basis of a linguistic dictionary, and vice versa. We employ fuzzy regression analysis in order to deal with the assessment process of experts from linguistic variables of features and characteristics of an objective into the linguistic expression of the total assessment. The presented process consists of four portions: (1) vocabulary translation, (2) estimation, (3) vocabulary matching and (4) dictionary. We employed fuzzy quantification theory type 2 for estimating the total assessment in terms of linguistic structural attributes which are obtained from an expert. Springer Berlin / Heidelberg 2004-11 Article PeerReviewed application/pdf en http://eprints.utm.my/9850/1/MKhalid2004_Formulation_of_linguistic_regression_model.pdf Toyoura, Y. and Watada, J. and Khalid, M. and Yusof, R. (2004) Formulation of linguistic regression model based on natural words. Soft Computing : A Fusion of Foundations, Methodologies and Applications, 8 (10). pp. 681-688. ISSN 1432-7643 http://dx.doi.org/10.1007/s00500-003-0326-7 doi:10.1007/s00500-003-0326-7
spellingShingle TK Electrical engineering. Electronics Nuclear engineering
Toyoura, Y.
Watada, J.
Khalid, M.
Yusof, R.
Formulation of linguistic regression model based on natural words
title Formulation of linguistic regression model based on natural words
title_full Formulation of linguistic regression model based on natural words
title_fullStr Formulation of linguistic regression model based on natural words
title_full_unstemmed Formulation of linguistic regression model based on natural words
title_short Formulation of linguistic regression model based on natural words
title_sort formulation of linguistic regression model based on natural words
topic TK Electrical engineering. Electronics Nuclear engineering
url http://eprints.utm.my/9850/
http://eprints.utm.my/9850/
http://eprints.utm.my/9850/
http://eprints.utm.my/9850/1/MKhalid2004_Formulation_of_linguistic_regression_model.pdf