4234 search results - page 634 / 847 » OLAP on sequence data |
179
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ISAAC
2009
Springer
16 years 1 months ago
2009
Springer
Many database systems that use a B+ tree as the underlying data structure do not do rebalancing on deletion. This means that a bad sequence of deletions can create a very unbalance...
175
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EDBT
2010
ACM
16 years 1 months ago
2010
ACM
The wide adaptation of GPS and cellular technologies has created many applications that collect and maintain large repositories of data in the form of trajectories. Previous work ...
152
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CISS
2008
IEEE
16 years 1 months ago
2008
IEEE
—Distributed detection of information flows spanning many nodes in a wireless sensor network is considered. In such a system, eavesdroppers are deployed near several nodes in th...
217
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ICCV
2007
IEEE
16 years 26 days ago
2007
IEEE
This paper treats tracking as a foreground/background classification problem and proposes an online semisupervised learning framework. Initialized with a small number of labeled ...
180
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ICDE
2007
IEEE
16 years 26 days ago
2007
IEEE
With the proliferation of multimedia data and evergrowing requests for multimedia applications, new challenges are emerged for efficient and effective managing and accessing large...