This paper outlines the relevant theoretical knowledge of data mining,discussed the origin of data mining,and analyzed the type of data mining,tasks of data mining,classification of data mining and problems.the aim was to put forward reference for scholars who research data mining.%文章概述了数据挖掘相关理论知识,讨论了数据挖掘的由来、分析了挖掘的数据类型、数据挖掘的任务、分类以及数据挖掘中的问题及研究方向,为研究者研究数据挖掘技术提供一定的参考。
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