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序区间值决策系统中最优可信规则获取与约简
  • 摘要

    基于描述子的规则获取可导出序值决策系统中的所有可信规则,但对包含区间值序决策系统却不能有效支持.因此,首先根据每个属性值域的范围,提出了一个区间段值的概念,用以将序区间值决策系统转换为序区间段值决策系统;然后,在序区间段值决策系统中提出了基于区间段值的优势和弱势描述子概念,用以导出序区间值决策系统中的所有可信规则;最后,研究了两种新的描述子的约简以及相对约简问题,给出了相应的判定定理与区分函数.以上为从序区间值决策系统中获取有效的最优可信决策规则提供了一种新理论基础与操作手段.

  • 作者

    王天擎  谢军  WANG Tian-qing  XIE Jun 

  • 作者单位

    五邑大学经济管理学院,广东江门,529020/江苏大学计算机科学与通信工程学院,江苏镇江,212013

  • 刊期

    2012年12期 ISTIC PKU

  • 关键词

    粗糙集  区间值  优势(弱势)描述子  约简  可信规则 

参考文献
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