620 search results - page 9 / 124 » Algorithms for Rewriting Aggregate Queries Using Views |
107
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SIGMOD
2004
ACM
15 years 11 months ago
2004
ACM
We study the problem of answering queries through a target schema, given a set of mappings between one or more source schemas and this target schema, and given that the data is at...
142
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PKDD
2000
Springer
15 years 3 months ago
2000
Springer
Data mining is a useful decision support technique, which can be used to find trends and regularities in warehouses of corporate data. A serious problem of its practical applicatio...
EDBT
2009
ACM
15 years 6 months ago
2009
ACM
178
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VLDB
2007
ACM
15 years 12 months ago
2007
ACM
The performance of XML database queries can be greatly enhanced by rewriting them using materialized views. We study the problem of rewriting a query using materialized views, whe...