最近几年,提出了许多用于计算数据立方的算法,但是,这些算法很少涉及到层次上的聚集计算.本文通过扩展BUC算法,提出了HBUC算法,将......

For a data cube there are always constraints between dimensions or among attributes in a dimension, such as functional d......

提出了一种新的稀疏数据立方计算方法CFD(Computation by Functional Dependencies),它采用自底向上的顺序划分数据立方的各个维,......