摘要
本文先介绍了个性化Web搜索,然后根据个性化Web搜索提出的要求引出了垂直搜索技术,并探讨了与通用搜索引擎相比较而言,将垂直搜索应用于个性化Web搜索的优越性。最后介绍了垂直搜索中的关键性技术,即信息提取技术,并着重给出了基于网页布局和关键字段的信息提取技术。
This article first introduced the personalized Web search, and then based on personalized Web search requests led to the vertical search technology, and discussed with the general search engine comparison, vertical search will be applied to personalized Web search superiority. Finally, the key vertical search technology, information extraction technology, and focus is given based on the layout of the page and keyword section of the extraction of information technology.
出处
《科技信息》
2008年第36期89-90,共2页
Science & Technology Information
关键词
个性化Web搜索
垂直搜索
信息提取
页面布局
Personalized Web search
vertical search
information extraction
page layout