734 search results - page 19 / 147 » Efficient join processing over uncertain data |
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...
119
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DEXA
2006
Springer
15 years 1 months ago
2006
Springer
Abstract. Finding all occurrences of a twig pattern in an XML document is a core operation for XML query processing. The emergence of XML as a common mark-up language for data inte...
196
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PODS
2009
ACM
15 years 10 months ago
2009
ACM
Skyline computation is widely used in multi-criteria decision making. As research in uncertain databases draws increasing attention, skyline queries with uncertain data have also ...
ICDE
2010
IEEE
15 years 9 months ago
2010
IEEE
A fundamental problem in XML query processing is tree pattern query (TPQ) matching which computes all data instances in an XML database that match an input TPQ. There is a lot of r...
ICPADS
2000
IEEE
15 years 2 months ago
2000
IEEE
The most costly spatial operation in spatial databases is a spatial join with combines objects from two data sets based on spatial predicates. Even if the execution time of sequen...