MDRBR algorithm improves efficiency of existing algorithms for mining default rules with support measure constraint.

MDRBR算法通过规则支持度进行约束，可有效提高缺省规则的挖掘效率。

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MDRBR algorithm USES uniform minimum support threshold for mining default decision rules, the method can not effectively mine the interesting default decision rules to users.

MDRBR算法采用单一的规则支持度阈值进行缺省规则的挖掘，这不利于有效地挖掘出用户感兴趣的缺省规则。

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