6650 search results - page 592 / 1330 » Mutating database queries |
185
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SSD
2005
Springer
16 years 17 days ago
2005
Springer
Abstract. Query optimization is an important functionality of modern database systems and often based on estimating the selectivity of queries before actually executing them. Well-...
177
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VLDB
2005
ACM
16 years 17 days ago
2005
ACM
Popular XML languages, like XPath, use “treepattern” queries to select nodes based on their structural characteristics. While many processing methods have already been propose...
188
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VLDB
2005
ACM
16 years 17 days ago
2005
ACM
We present DITN, a new method of parallel querying based on dynamic outsourcing of join processing tasks to non-dedicated, heterogeneous computers. In DITN, partitioning is not th...
184
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VLDB
2004
ACM
16 years 13 days ago
2004
ACM
We consider the problem of data sharing between autonomous data sources in an environment where constraints cannot be placed on the shared contents of sources. Our solutions rely ...
194
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DEXA
2003
Springer
16 years 9 days ago
2003
Springer
Emerging applications using miniature electronic devices (e.g., tracking mobile objects using sensors) generate very large amounts of highly dynamic data that poses very high overh...