%0 Journal Article
%T Task Model in Data Exchange System Based on Meta Data<br>基于元数据的数据交换系统任务模型
%A LI Chun-Hua
%A LIAN Dong-Ben
%A <br>李春花
%A 廉东本
%J 计算机系统应用
%D 2012
%I 
%X ETL containing three parts of extracting ,transforming, loading is one core of building the Data Warehouse. For the sake of heterogeneous data source integration, this paper puts forwards a model of the data exchange system based on ETL Meta. Further, a task designing model and a task designing model are raised in in this paper. Last, the article recommends a main algorithm and the designing model in the data exchange system.
%K ETL
%K meta data
%K task designing
%K task scheduling
%K job<br>ETL
%K 元数据
%K 任务设计
%K 任务调度
%K 作业
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=5B3AB970F71A803DEACDC0559115BFCF0A068CD97DD29835&cid=8240383F08CE46C8B05036380D75B607&jid=D4F6864C950C88FFCE5B6C948A639E39&aid=2F008F04A30914BA63BF4A8A815DA6C7&yid=99E9153A83D4CB11&vid=659D3B06EBF534A7&iid=E158A972A605785F&sid=FEF02B4635FE8227&eid=BC084ACE66B62CC8&journal_id=1003-3254&journal_name=计算机系统应用&referenced_num=0&reference_num=10