计算机科学 ›› 2006, Vol. 33 ›› Issue (3): 145-146.

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极小子集问题的逻辑代数解法

李小霞   

  1. 中山大学信息科学与技术学院,广州510275
  • 出版日期:2018-11-17 发布日期:2018-11-17
  • 基金资助:
    本文研究得到国家自然科学基金资助(60205007).

LI Xiao-Xia (College of Information Science and Technology, SUN Yat-sen University, Guangdong 510275)   

  • Online:2018-11-17 Published:2018-11-17

摘要: 在粗集论中,决策表简化问题可转化为极小子集问题.本文给出极小子集问题的逻辑代数解法,即通过求逻辑函数的极小析取范式或极小合取范式来获得极小子集.

关键词: 粗集论 极小子集 极小析取范式 极小合取范式

Abstract: Within rough sets theory, the reduct problems about a decision table can be settled by solving the problem of finding the minimal subsets. This paper presents an approach to settle the latter problem-the minimal subsets can be found out in the minimal dis

Key words: Rough sets theory, Minimal subset, Minimal disjunctive form, Minimal conjunctive form

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