383 search results - page 43 / 77 » Join operations in temporal databases |
VLDB
2004
ACM
15 years 3 months ago
2004
ACM
PIVOT and UNPIVOT, two operators on tabular data that exchange rows and columns, enable data transformations useful in data modeling, data analysis, and data presentation. They ca...
DEXA
2005
Springer
15 years 3 months ago
2005
Springer
Finding all the occurrences of a twig pattern in an XML database is a core operation for efficient evaluation of XML queries. Holistic twig join algorithm has showed its superiorit...
DEXA
2004
Springer
15 years 1 months ago
2004
Springer
The Iceberg SemiJoin (ISJ) of two datasets R and S returns the tuples in R which join with at least k tuples of S. The ISJ operator is essential in many practical applications incl...
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ICDE
2007
IEEE
15 years 11 months ago
2007
IEEE
To address the needs of data intensive XML applications, a number of efficient tree pattern algorithms have been proposed. Still, most XQuery compilers do not support those algori...
71
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COMAD
2008
14 years 11 months ago
2008
Asynchronous IO (AIO) allows a process to continue to do other work while an IO operation initiated earlier completes. AIO allows a large number of random IO operations to be issu...