自动化学报2011，Vol.37Issue(3)：303-308,6.DOI:10.3724/SP.J.1004.2011.00303
基于(α,λ)联系度容差关系的变精度粗糙集模型
Variable Precision Rough Set Model Based on (α, λ) Connection Degree Tolerance Relation
摘要
Abstract
Traditional rough set-based methods cannot deal with incomplete information system with noisy data effectively. According to set pair analysis, (α,λ) connection degree tolerance relation is defined. This paper introduces the variable precision (α,λ) connection degree rough set model which combines the (α,λ) connection degree tolerance relation with the majority inclusion relation proposed by Ziarko. A heuristic attribute reduction algorithm based on the positive region similarity is given. Time complexity of the algorithm is analyzed. The experimental results show that the proposed method is more effective for incomplete information system with noisy data.关键词
不完备信息/粗糙集/(α,λ)联系度容差关系/变精度/属性约简引用本文复制引用
徐怡,李龙澍..基于(α,λ)联系度容差关系的变精度粗糙集模型[J].自动化学报,2011,37(3):303-308,6.基金项目
国家自然科学基金(60273043),安徽省自然科学基金(090412054),安徽省高等学校省级自然科学基金(KJ2011Z020),安徽大学人才科研启动基金(02303113)资助 （60273043）
