摘要
针对股票的网站越来越多,如何从这些网站的有关页面进行信息抽取,并得到相关知识,为股民提供股票交易的决策参考,是一个值得研究的课题。本文剖析了信息抽取常用的Wrapper方法,以及抽取知识的获取方法。最后,根据可视化信息抽取的原则,设计了一个可视化信息抽取的实验,取得了良好的效果。
More and more websites conceming with stock exchange,and how to acquire knowledge from relevant pages to help people in stock market is an interesting question for study. This paper emphasizes on the analysis about information extraction techniques based on wrapper. Finally, a prototype according to visualized information extraction rules is given, and it shows good result in stock transaction.
出处
《情报科学》
CSSCI
北大核心
2005年第9期1376-1380,共5页
Information Science
