3935 search results - page 493 / 787 » Database Support for Hypertext |
152
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SIGMOD
2001
ACM
16 years 5 months ago
2001
ACM
We study the problem of generating e cient, equivalent rewritings using views to compute the answer to a query. We take the closed-world assumption, in which views are materialize...
165
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EDBT
2004
ACM
16 years 5 months ago
2004
ACM
XML makes data flexible in representation and easily portable on the Web but it also substantially inflates data size as a consequence of using tags to describe data. Although many...
156
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SIGMOD
2009
ACM
15 years 11 months ago
2009
ACM
The state of the art commercial query optimizers employ cost-based optimization and exploit dynamic programming (DP) to find the optimal query execution plan (QEP) without evalua...
152
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SSD
2009
Springer
15 years 11 months ago
2009
Springer
With the exponential growth of moving objects data to the Gigabyte range, it has become critical to develop effective techniques for indexing, updating, and querying these massive ...
118
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VLDB
2004
ACM
15 years 10 months ago
2004
ACM
Large writes are beneficial both on individual disks and on disk arrays, e.g., RAID-5. The presented design enables large writes of internal B-tree nodes and leaves. It supports b...