IDS (imbalanced data sets), arising pervasively in practical applications, have caused a huge challenge to the machine learning community and consequently attracted more and more attentions.

• 摘要不平衡数据在实际应用中广泛存在，它们已对机器学习领域构成了一个挑战，如何有效处理不平衡数据也成为目前的一个新的研究热点。