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【多选题】
关于数据挖掘结果的描述,以下正确的是A.
数据挖掘产生的模式不一定是有趣的，需要经过评估。
B.
模式的兴趣度是一个主观度量，所以只能由用户自己衡量。
C.
采用现有技术，不一定能挖掘出数据集的所有有趣的模式。
D.
采用现有技术，可以直接从数据中只挖掘出有趣的模式。
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