6650 search results - page 376 / 1330 » Mutating database queries |
174
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DEXAW
2004
IEEE
15 years 9 months ago
2004
IEEE
Grid technologies have been developed in response to an increase in demand for computing applications designed to yield the benefits from collaboration, data sharing and sophistic...
170
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DPD
2006
15 years 5 months ago
2006
Advances in network technologies and the emergence of Grid computing have both increased the need and provided the infrastructure for computation and data intensive applications to...
243
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VLDB
2007
ACM
16 years 5 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...
189
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SIGMOD
2001
ACM
16 years 5 months ago
2001
ACM
The ability to approximately answer aggregation queries accurately and efficiently is of great benefit for decision support and data mining tools. In contrast to previous sampling...
130
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EDBT
2002
ACM
16 years 5 months ago
2002
ACM
The handling of user preferences is becoming an increasingly important issue in present-day information systems. Among others, preferences are used for information filtering and ex...