提出了一种基于粗集的缺省规则挖掘模型，以利于在信息不完备情况下进行推理和决策。

A rough set model to mine default rules was presented in order to reason and solve the decision question with incomplete information.

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介绍了一种基于实例和规则的集成推理模型，并给出其在机械产品协同设计支持系统中的应用。

This paper summarizes CBD techniques and presents an integrated reasoning model based on CBR and RBR, and also introduces its application to mechanical product cooperative design.

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建立基于知识发现和案例推理的危机预警工作流模型；

Propose crisis warning information system management workflow model based on KD and CBR.

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