另外，论文还就数据挖掘过程中应用粗糙集进行属性约简以简化算法复杂度做了一定的探讨。
Besides, this thesis makes a simple discussion on using the theory of Rough Set to reduce attribute, in order to simplify the complexity of the algorithm.
进一步地，论文发现了现有一个规则约简算法中存在的错误，提出了一种新的规则约简算法，从而获得小且易于合并的简化规则集。
This new method extracts rule which has the least condition or contains the most core-value in the rule core-set. We can gain shortest and uniteable rules based on the former selecting policy.
该模型利用粗糙集理论约简气象影响因素，提取关键因素作为网络的输入，简化了网络结构。
This model was applied to. reduce factors of weather, withdraw essential ingredient as the input of the network, and simplify network structure.
该模型利用粗糙集理论约简气象影响因素，提取关键因素作为网络的输入，简化了网络结构。
This model was applied to. reduce factors of weather, withdraw essential ingredient as the input of the network, and simplify network structure.
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