The Summarization of hierarchical data with exceptions
In many applications of OLAP or data warehouse, users need to query data of interest, such as a set of data that satisfies specific properties. A normal answer to such query just enumerates all the interesting cells. This is the most accurate but not the most informative method. Summarizations need...
Main Author: | |
---|---|
Format: | Others |
Language: | English |
Published: |
2009
|
Online Access: | http://hdl.handle.net/2429/15511 |