This paper introduce how to retrieve Web information by search engine from five aspects of search engine, working mechanism, standards evaluation, classification, methods and skills.

从搜索引擎的工作机理，评价标准，分类，使用方法，使用技巧等五个方面介绍如何利用搜索引擎检索网络信息。

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Here, we put forward an adaptive classification strategy, which can adjust to the changes of Web and initiatively discover new type of information.

本文提出了一种能够自动适应网络信息更迭特点，主动发掘新信息类型的自适应分类策略。

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The essence of library traditional document organization and web information organization is knowledge organization, which basic methods include classification and subject.

图书馆传统文献组织与网络信息组织的实质是知识组织，分类法和主题法是知识组织的基本方法。

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Nevertheless, there are corporate guidelines for what kinds of information can be published on the Web, based on an information classification scheme Du Pont devised in 1928.

CNN: Does your Web site reveal too much?