摘要
作为搜索引擎的重要组成部分，网络机器人能从Intemet上自动获取网页，替搜索引擎在Intemet上搜集网页。通用网络机器人以种子URL作为入口，对整个Web进行遍历下载。而主题网络机器人不单单是充当一个获取网页的工具，还能够对链接以及页面内容进行主题相关性识别。主题网络机器人并不仅把目标定位覆盖率，还要提高获取主题相关网页的准确性，为搜索引擎提供一个主题相关的网页库。现在，主题网络机器人已经成为搜索引擎技术领域的一个研究热点，是搜索引擎的发展的重点方向之一。
As an important part of search engine,web robot can automatically download web pages from Internet.It helps search engine gather web pages.Web robot starts work with some seed links,and then it tranverse the whole web.However, topical web robot is not only a tool that downloads pages from web,but also can recognize topical relevece of links and the content of web pages.The main goal of topical web robot is not only to fulfill the recall rate,but also to improve the precision rate,providing search engine with a topical web warehouse.Nowadays, topical web robot,a important developing direction of search engine has become a research hot spot in the domain of search engine technology.
出处
《计算机光盘软件与应用》
2010年第6期80-80,共1页
Computer CD Software and Application
