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Research on knowledge acquisition method about the IF/THEN rules based on rough set theory

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4 Author(s)
Daohua, Liu ; School of Mechanical & Electronic Engineering, Xi'an Univ. of Architecture & Technology, Xi'an 710055, P. R. China; Dept. of Computer Science, Xinyang Normal Univ., Xinyang 464000, P. R. China ; Sicong, Yuan ; XiaoLong, Zhang ; Fazhan, Wang

The basic principles of IF/THEN rules in rough set theory are analyzed first, and then the automatic process of knowledge acquisition is given. The numerical data is qualitatively processed by the classification of membership functions and membership degrees to get the normative decision table. The regular method of relations and the reduction algorithm of attributes are studied. The reduced relations are presented by the multi-represent-value method and its algorithm is offered. The whole knowledge acquisition process has high degree of automation and the extracted knowledge is true and reliable.

Published in:

Systems Engineering and Electronics, Journal of  (Volume:19 ,  Issue: 3 )