网络爬虫在网页信息提取中的应用研究

网络爬虫是为了实现网络资源下栽功能的程序，是搜索引擎最重要的构件。考虑到网络上信息的种类繁多，研究一种基于网络爬虫的网页信息提取技术，并给出相关的设计方案，对设计方案进行验证，结果表明设计的可行性。

Research on the Application of Web Crawler in the Extraction of the Network Information Page

Web crawler to download network resources program, is the most important search engine com- ponents. Taking into account a wide range of information on the network, studies a Web-based information extraction technology based on network reptiles, and gives the relevant design, and verifies the design on the results and shows that the design is feasible.