基于0-1分辨矩阵的启发式属性约简 - 中南大学学报（自然科学版、英文版） 关键字: 分辨矩阵； 启发式； 属性约简； 粗糙集[gap=617]Key words: discernibility matrix； heuristic； attribute reduction； rough set
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Firstly a reduct is derived for each class of data, and then for each class a discernibility matrix and a merger matrix are constructed and rules for this class are extracted based on the two matrices.
首先获得每类数据的属性约简；然后为每类数据构造一个分辨矩阵和一个合并矩阵,通过两个矩阵的交互作用逐类抽取规则。
参考来源 - 分类数据挖掘中若干基本问题的研究This algorithm has no demand on the construction of discernible matrix,and has much less time and space complexities.
该算法不需要建立分辨矩阵,具有较低的时间复杂度和空间复杂度。
参考来源 - 一种基于区分链表的决策系统求核算法·2,447,543篇论文数据，部分数据来源于NoteExpress
其次，论文研究了通过“断点分辨矩阵”来度量候选断点重要性的启发式方式。
Subsequently, to heuristically measure the relative importance of candidate cuts, relevant metrics are studied based on "cut discernibility matrix".
推算可预知分辨矩阵法处理数据所消耗的时间，对数据挖掘实验的可行性进行预测。
The data processing time-consumed by discernibility of matrix is predicted, and the feasibility of data mining experiment is forecasted.
对分辨矩阵求核过程进行改进与扩展，给出了一种以属性频度作为启发式信息计算最小约简快速完备方法。
Through improving and extending the process of computing core, the minimal reduction algorithm based on attribute frequency heuristic information are put forward.
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