1238 search results - page 99 / 248 » View-based query containment |
158
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SIGMOD
2007
ACM
15 years 10 months ago
2007
ACM
Accurate cardinality estimation is critically important to high-quality query optimization. It is well known that conventional cardinality estimation based on histograms or simila...
103
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SIGMOD
2003
ACM
15 years 10 months ago
2003
ACM
We consider the problem of efficiently producing ranked results for keyword search queries over hyperlinked XML documents. Evaluating keyword search queries over hierarchical XML ...
WALCOM
2010
IEEE
15 years 4 months ago
2010
IEEE
We address a version of the set-cover problem where we do not know the sets initially (and hence referred to as covert) but we can query an element to find out which sets contain ...
WACV
2005
IEEE
15 years 3 months ago
2005
IEEE
A method for the simultaneous localization and recognition of dynamic hand gestures is proposed. At the core of this method is a dynamic space-time warping (DSTW) algorithm, that ...
CIKM
2005
Springer
15 years 3 months ago
2005
Springer
The detection of new information in a document stream is an important component of many potential applications. In this paper, a new novelty detection approach based on the identi...