1500 search results - page 159 / 300 » Query Optimization in Database Grid |
DOCENG
2004
ACM
14 years 2 months ago
2004
ACM
XPath [16] was introduced by the W3C as a standard language for specifying node selection, matching conditions, and for computing values from an XML document. XPath is now used in...
CIKM
2003
Springer
14 years 2 months ago
2003
Springer
Existing estimation approaches for multi-dimensional databases often rely on the assumption that data distribution in a small region is uniform, which seldom holds in practice. Mo...
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ICDE
2008
IEEE
15 years 9 months ago
2008
IEEE
Recently, there has been much interest in processing skyline queries for various applications that include decision making, personalized services, and search pruning. Skyline queri...
SIGMOD
1999
ACM
14 years 1 months ago
1999
ACM
In large data warehousing environments, it is often advantageous to provide fast, approximate answers to complex aggregate queries based on statistical summaries of the full data....
GEOINFO
2003
13 years 10 months ago
2003
Relational index structures, as for instance the Relational Interval Tree, the Relational R-Tree, or the Linear Quadtree, support efficient processing of queries on top of existing...