Data Mining:
Concepts and Techniques
1
, Chapter 5: Data Cube Technology
◼ Data Cube Computation: Preliminary Concepts
◼ Data Cube Computation Methods
◼ Processing Advanced Queries by Exploring Data
Cube Technology
2
,◼ Multidimensional Data Analysis in Cube Space
◼ Summary
3
, Data Cube: A Lattice of Cuboids
all
0-D(apex) cuboid
time item location supplier
1-D cuboids
time,location item,location location,supplier
2-D cuboids
time,item time,supplier item,supplier
time,location,supplier
3-D cuboids
time,item,locationtime,item,supplier item,location,supplier
4-D(base) cuboid
time, item, location, supplierc
4
Concepts and Techniques
1
, Chapter 5: Data Cube Technology
◼ Data Cube Computation: Preliminary Concepts
◼ Data Cube Computation Methods
◼ Processing Advanced Queries by Exploring Data
Cube Technology
2
,◼ Multidimensional Data Analysis in Cube Space
◼ Summary
3
, Data Cube: A Lattice of Cuboids
all
0-D(apex) cuboid
time item location supplier
1-D cuboids
time,location item,location location,supplier
2-D cuboids
time,item time,supplier item,supplier
time,location,supplier
3-D cuboids
time,item,locationtime,item,supplier item,location,supplier
4-D(base) cuboid
time, item, location, supplierc
4