In the initial stage of system, user appoints the classification of every mail and system set up a user model according to the classification.

在系统运行初期，由用户指定邮件的类别，系统根据用户的分类建立用户兴趣模型。

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In the data mining stage, the paper first the data in the data mining model attribute classification.

在数据挖掘阶段，论文首先对数据挖掘模型中的数据进行属性分类。

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Knowledge discovery component take SLIQ as basic arithmetic. It provides classification model in two stage forms which aim at training suit. That is decision tree and productive rule.

知识发现，采用SLIQ快速可伸缩算法，分类模型用判定树与产生式规则两种形式描述。

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