基于发布/订阅技术的数据抽取

随着信息技术的发展和企业管理水平的提高,企业信息系统整合的需求越来越强烈.数据中心正是企业数据整合,建立科学决策的基础.在数据中心的建立过程中,数据抽取是必不可少的,最重要的环节.基于发布/订阅的抽取方法可以降低数据源和数据中心的耦合度,使系统具有较高灵活性、动态性,可以满足时时和大规模数据抽取的需要.

Data Extract Based on Publish/Subscribe

With the development of information technology and the improvement of enterprise manage level, the integrate needs of enterprise information system are more intense. Data center is the base of data integration and scientific decision. In the process of the building data center, data extract is the absolutely necessarily and most important process. The new method, publish/subscribe, can reduce the coupling between source data and data center, and make the system more flexible and more dynamic. At the same time, the method can meet the need of moment and large-scale data extract.