摘要
随着信息源的不断增多,如何在多个信息系统中迅速查找用户感兴趣的信息越来越受到人们的关注。信息集成是指将多个信息源进行整合,并为用户提供一个统一的数据视图和访问接口。对信息系统的集成方法进行了研究,分析和比较了两种主要的信息集成方法:数据仓库方法和中介模式方法,并对未来的一些研究热点进行了前瞻。
With the increase of information sources, hoiw to find the valuable information across the sources becomes a hot issue. Information integration refers to the combination of data sources which provides users with a unified view of these data. This paper study the methodology of information integration, two main methods in information integration: data warehouse and Wrapper/Mediator are study in this paper. We also forecast the trend in the research area.
出处
《微处理机》
2007年第6期105-107,111,共4页
Microprocessors
关键词
信息集成
数据集成
数据库
Information Integration
Data Integration
Database