Rough set based rule induction from two decision tables

被引：27

作者：

Inuiguchi, Masahiro

Miyajima, Takuya

机构：

[1] Osaka Univ, Grad Sch Engn Sci, Dept Syst Innovat, Div Math Sci Social Syst, Toyonaka, Osaka 5608531, Japan

[2] Osaka Univ, Grad Sch Engn, Dept Elect & Informat Syst, Suita, Osaka 5650871, Japan

来源：

EUROPEAN JOURNAL OF OPERATIONAL RESEARCH | 2007年 / 181卷 / 03期

关键词：

rough sets; group decisions and negotiations; decision rules; decision matrix;

D O I：

10.1016/j.ejor.2005.11.054

中图分类号：

C93 [管理学];

学科分类号：

12 ; 1201 ; 1202 ; 120202 ;

摘要：

We study rule induction from two decision tables as a basis of rough set analysis of more than one decision tables. We regard the rule induction process as enumerating minimal conditions satisfied with positive examples but unsatisfied with negative examples and/or with negative decision rules. From this point of view, we show that seven kinds of rule induction are conceivable for a single decision table. We point out that the set of all decision rules from two decision tables can be split in two levels: a first level decision rule is positively supported by a decision table and does not have any conflict with the other decision table and a second level decision rule is positively supported by both decision tables. To each level, we propose rule induction methods based on decision matrices. Through the discussions, we demonstrate that many kinds of rule induction are conceivable. (C) 2006 Elsevier B.V. All rights reserved.

引用

页码：1540 / 1553

页数：14

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