Decision trees, neural networks, fuzzy logic, genetic algorithm and rough set are the popular research tools. Recently, linear system technique is applied to the classification in the data mining.

• 主要的研究工具包括统计学、决策树、神经网络、模糊逻辑、粗糙集、遗传算法等,最近,线性系统方式技术被引用到数据挖掘的分类问题中,并且在对信用卡风险管理中获得了很好地应用。