1160 search results - page 41 / 232 » Query Processing and Optimization for Pictorial Query Trees |
EDBT
2010
ACM
15 years 4 months ago
2010
ACM
Skyline queries have gained a lot of attention for multicriteria analysis in large-scale datasets. While existing skyline algorithms have focused mostly on exploiting data dominan...
147
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SIGMOD
2007
ACM
15 years 10 months ago
2007
ACM
This paper investigates a class of transform queries proposed by XQuery Update [6]. A transform query is defined in terms of XML update syntax. When posed on an XML tree T, it ret...
ICDCS
2007
IEEE
15 years 4 months ago
2007
IEEE
When there are multiple queries posed to the resourceconstrained wireless sensor network, it is critical to process them efficiently. In this paper, we propose a Two-Tier Multipl...
SODA
2000
ACM
14 years 11 months ago
2000
ACM
Most research in algorithms for geometric query problems has focused on their worstcase performance. However, when information on the query distribution is available, the alternat...
120
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PVLDB
2008
14 years 9 months ago
2008
The diversity and large volumes of data processed in the Natural Sciences today has led to a proliferation of highlyspecialized and autonomous scientific databases with inherent a...