目前，在客户关系管理中使用的客户分类方法很多。
Now, there are many methods classing customers applied in customer Relationship Management.
元数据概要由 HTML 4引入，其目的是为了让作者向客户端提供一种或多种文档查看或分类的方法。
Metadata profiles were introduced in HTML 4 to allow an author to provide clients with one or more ways of categorizing or viewing a document.
进而，据此开发了一个基于信息分类的产品编码与配置系统，并提出了利用粗糙集的相关理论与方法处理配置过程中的客户模糊需求信息的方法。
Moreover, the product coding and configuration system based on information classifying was developed by using the theory of Rough Set to deal with uncertain customer demand.
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