EDM通常用作信息集成的参考模型，或者用作持久性数据库和数据仓库的基础。
EDM is often used as a reference model for information integration or as a basis for persistent databases and data warehousing.
本文探讨了数据仓库技术在农业呼叫中心的数据分析问题上的应用，其设计方案、数据分析模型和系统实现方法对其它领域建立数据仓库系统有一定的参考价值。
The design scheme, the model of data analysis and the method of system realization of this paper are valuable to build up the data warehouse system of others fields.
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