The deeper analysis of instruction requirements and good teaching design are the core work in developing the web-based courseware for Information Retrieval and Utilization.
深入的教学需求分析和良好的教学设计是《信息检索与利用》网络课件开发的核心内容。
The paper provides some improving measures, and gives a model of active pushing system based on vector space model, which can better improve the efficiency of Web information retrieval.
本文提出了一系列优化措施，设计了一个基于向量空间模型的主动推送系统原型，更好的满足网上信息检索效率的提高。
With the emergence of semantic web, semantic-based information retrieval has become an effective way to improve retrieval ability.
随着语义网的出现，基于语义也逐渐成为提高信息检索能力的一个有效途径。
As an important part of Web-based teaching, the retrieval of teaching information has become main way by which learners get knowledge resource.
教学信息检索作为网络教学的重要部分，已经成为学习者获取知识资源的主要途经。
In this paper, it mainly researches on the intention of information retrieval in the web content access and intent of web-based clustering.
本文针对意图信息检索中的网页内容获取和基于意图的网页聚类进行研究。
Study of Web Information Retrieval Based on Structure and Subject;
无法从拓扑结构数据库中检索“全局属性”。
Study of Web Information Retrieval Based on Structure and Subject;
无法从拓扑结构数据库中检索“全局属性”。
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