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http://dx.doi.org/10.14400/JDC.2015.13.6.157

An Improvement of the Decision-Making of Categorical Data in Rough Set Analysis  

Park, In-Kyu (Dept. of Computer.Game, Joongbu University)
Publication Information
Journal of Digital Convergence / v.13, no.6, 2015 , pp. 157-164 More about this Journal
Abstract
An efficient retrieval of useful information is a prerequisite of an optimal decision making system. Hence, A research of data mining techniques finding useful patterns from the various forms of data has been progressed with the increase of the application of Big Data for convergence and integration with other industries. Each technique is more likely to have its drawback so that the generalization of retrieving useful information is weak. Another integrated technique is essential for retrieving useful information. In this paper, a uncertainty measure of information is calculated such that algebraic probability is measured by Bayesian theory and then information entropy of the probability is measured. The proposed measure generates the effective reduct set (i.e., reduced set of necessary attributes) and formulating the core of the attribute set. Hence, the optimal decision rules are induced. Through simulation deciding contact lenses, the proposed approach is compared with the equivalence and value-reduct theories. As the result, the proposed is more general than the previous theories in useful decision-making.
Keywords
Convergence and Integration; Data Mining; Rough Set; Bayesian Theory; Information Entropy;
Citations & Related Records
Times Cited By KSCI : 3  (Citation Analysis)
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