摘要
分析了有关信息搜索的工具及其存在的一些问题,提出了一种基于概念的Web信息析取方法,它能自动地从网站中获取数据信息,并且能让用户通过数据库的查询范例来进入网站.该方法能有效地解决在特定的查询类型中所期望的信息问题.
This paper describes several methods of Web information search and the existing problems in these methods. After that presents a conception-based Web information extract method that enables for automatically acquiring data from Web sites and making them accessible to user through a database query paradigm. The approach can effectively provide the desired information at least for certain kinds of queries.
出处
《福州大学学报（自然科学版）》
CAS
CSCD
2003年第5期514-519,共6页
Journal of Fuzhou University(Natural Science Edition)
关键词
数据库
知识表示
概念域
WEB信息
database
knowledge presentation
conception domain
Web information
