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”。

youdao

In order to help the user to retrieval the useful web information, the, web information retrieval system comes into being.

为了帮助用户检索和获得网络上的丰富信息，网络信息检索系统应运而生。

youdao

Beginning with an analysis of the present situation of WEB information retrieval, points out its main limitations and induces WEB data mining.

首先分析了WEB信息检索的现状，主要针对WEB信息检索的局限性，引出WEB数据挖掘，并对WEB数据挖掘技术作了概要的介绍。

youdao

The World Wide Web, the leading information retrieval service of the Internet, now permits millions of American voters to access data about issues and candidates, allows politicians to create their own web pages for further dissemination of information, offers information on campaign contributions, and even includes "push technology, " whereby Internet users can customize the type of information they receive from Web sources.

CNN: Understanding The Role of the Media

It will give users of midsize, economy, and luxury GM cars and trucks voice access to e-mail, plus information retrieval from the Web.

CNN: E-cars take to the streets