6660 search results - page 249 / 1332 » Data Analysis for Query Processing |
180
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DPD
1998
15 years 6 months ago
1998
A warehouse is a data repository containing integrated information for e cient querying and analysis. Maintaining the consistencyof warehouse data is challenging, especially if the...
298
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DOLAP
2010
ACM
15 years 4 months ago
2010
ACM
Relational database systems have been the dominating technology to manage and analyze large data warehouses. Moreover, the ER model, the standard in database design, has a close r...
163
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DASFAA
1999
IEEE
15 years 10 months ago
1999
IEEE
The spatial query has been processed in two steps, the filter step and the refinement step, due to a large volume and high complexity of the spatial data. However, this approach h...
164
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ADBIS
2005
Springer
15 years 12 months ago
2005
Springer
We present a formal analysis of the following view-selection problem: Given a set of queries and a database, return definitions of views that, when materialized in the database, w...
176
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DEXAW
2007
IEEE
16 years 21 days ago
2007
IEEE
Data integration approaches mostly attempt to resolve semantic uncertainty and conflicts between data sources during the data integration process. In some application areas, this...