Design and Realization of ETL System on Digital Library Environment
数字图书馆环境下ETL系统的设计与实现

ETL needs to distinguish each kind of data, so the paper designs one kind of new data model to describe and support all data source, and analyzes the mapping relation between the data source and the goal database. Al- so the paper introduces the realization method about ETL core content data source access and the data extract.