DM Data Mining 数据挖掘
Data mining (DM) is to extract knowledge from huge datasets, the purpose of which is to find the useful patterns hidden behind the data.
数据挖掘(DM)就是从大型数据集中抽取知识，其目的是发现深藏在一般数据之中的有用模式。
Data mining (DM) is a new hot research point in database area. Data mining gets knowledge from large quantity of data.
数据挖掘是近年来数据库领域中出现的一个新兴研究热点，它是从大量数据中获取知识。
Firstly, the basic concepts of data mining (DM) and data warehouse are presented, and their characteristics and current significance are introduced.
从数据挖掘和数据仓库的基本概念入手，简要介绍了数据挖掘和数据仓库的特点和其研究的现实意义。
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