O'Reilly logo

Data Mining: Concepts and Techniques, 3rd Edition by Micheline Kamber, Jian Pei, Jiawei Han

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

Publisher Summary

This chapter focuses on data cube technology. Data warehouse systems provide online analytical processing (OLAP) tools for interactive analysis of multidimensional data at varied granularity levels. OLAP tools typically use the data cube and a multidimensional data model to provide flexible access to summarized data. A data cube can interactively explore the data in a multidimensional way through OLAP operations like drill-down (to see more specialized data such as total sales per city) or roll-up (to see the data at a more generalized level such as total sales per country). Although the data cube concept was originally intended for OLAP, it is also useful for data mining. Multidimensional data mining is an approach to data ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required