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...
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Language: | English |
Published: |
2009
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Online Access: | http://hdl.handle.net/2429/15511 |