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。
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.
评价一个信息检索系统的标准是该系统在多大程度上满足用户的能力。
The criterion of evaluating an information retrieval system is the ability of how much the system contents the needs of users.
然而人们对信息检索的高要求同时也给搜索引擎的评价带来了困难。
But people's high request toward information retrieval also brings difficulty for the assessment.
在对现有的跨语言信息检索各技术路线优劣评价的基础上，提出了基于本体的跨语言信息检索架构。
On the basis of evaluation of the current CLIR technical routes, this paper proposes the Ontology-based cross language information retrieval system architecture.
其评价指标包括：信息需求、可被利用的信息源和提供检索装置等。参考文献3。
Evaluation indicators include information needs, available information sources, retrieval equipments, etc. 3 refs.
其评价指标包括：信息需求、可被利用的信息源和提供检索装置等。参考文献3。
Evaluation indicators include information needs, available information sources, retrieval equipments, etc. 3 refs.
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