data spot checking 数据抽查
If your data is worth backing up, then it's also worth spot checking from time to time.
如果数据值得备份，那么它也值得您时常进行抽样检查。
A new method of data spot checking based on outlier mining is proposed, which promises a solution to the lack of validity using traditional data spot checking method.
针对传统数据抽查方法很难保证数据抽查有效性的缺点，结合离群数据挖掘，给出了一种基于离群数据挖掘的数据抽查新方法。
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