2121 search results - page 168 / 425 » Indexing Incomplete Databases |
279
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ICDE
2005
IEEE
16 years 7 months ago
2005
IEEE
Many scientific applications generate massive volumes of data through observations or computer simulations, bringing up the need for effective indexing methods for efficient stora...
180
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VLDB
1991
ACM
15 years 9 months ago
1991
ACM
We propose a two-pha.se algorithm for physical database design. In phase one the algorithm, for each logical query, losesrules to determine characteristics of a physical design (s...
248
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ICDE
2001
IEEE
16 years 7 months ago
2001
IEEE
Many applications require that large amounts of data are deleted from the database ? typically, such bulk deletes are carried out periodically and involve old or out-of-date data....
167
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PPAM
2005
Springer
15 years 11 months ago
2005
Springer
The paper presents various transparency issues that have to be considered during development of object-oriented Grid applications based on virtual repositories. Higher-level transp...
173
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ICDE
2007
IEEE
16 years 20 days ago
2007
IEEE
Most database query optimizers use cost models to identify good query execution plans. Inaccuracies in the cost models can cause query optimizers to select poor plans. In this pap...