摘要
运用形式背景保持二元关系不变的概念约简的思想,研究强协调决策形式背景的规则提取。依据决策子背景的概念约简,证明概念约简诱导的条件属性集为强协调决策形式背景的属性协调集,对条件属性集进行简化,给出概念约简与其他概念的关系,证明概念约简诱导的条件关系集包含所有简化后的规则前件信息,给出利用概念约简获取强协调决策形式背景的非冗余规则的具体步骤。
Rule acquisiton in strongly consistent formal decision context is studied by using the idea of concept reduction of keeping the binary relation unchanged in the formal context.According to the concept reduction of decision subcontext,the conditional attribute set induced by concept reduction is defined,and it is proved that it is the attribute consistent set of the strongly consistent formal decision context,so as to simplify the conditional attribute set.The relationship between concept reduction and other concepts is given,and then it is proved that the conditional relation set induced by concept reduction contains all the information of the simplified rule antecedent.The concrete steps of obtaining non-redundant rules for the strongly consistent formal decision context by concept reduction are given.
作者
王一帆
金铭
张琴
魏玲
WANG Yifan;JIN Ming;ZHANG Qin;WEI Ling(School of Mathematics,Northwest University,Xi'an 710127,Shaanxi,China;School of Mathematics and Statistics,Minnan Normal University,Zhangzhou 363000,Fujian,China;Institute of Concepts,Cognition and Intelligence,Northwest University,Xi'an 710127,Shaanxi,China)
出处
《山东大学学报(理学版)》
北大核心
2025年第1期83-90,100,共9页
Journal of Shandong University(Natural Science)
基金
国家自然科学基金资助项目(12171392)
陕西数理基础科学研究资助项目(23JSZ008)
西北大学研究生科研创新资助项目(CX2024128)。
关键词
决策形式背景
概念约简
规则提取
规则前件
条件属性集
formal decision context
concept reduction
rule acquisiton
rule antecedent
conditional attribute set
