With the rapid development of data warehouse and OLAP techniques, the researchers begin to pay atten-tion to the data mining in the data cube. Recently, Dr. T. Imielinski etc. firstly presented the problem of the cube...
The dimensions of many data sets have a complex-level structure in current multidimensional data ware-house models. But the data warehouse can't implement all the data at every node of these dimension levels because o...