545 search results - page 42 / 109 » Simultaneous approximation by greedy algorithms |
185
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PODS
2011
ACM
14 years 7 months ago
2011
ACM
In deletion propagation, tuples from the database are deleted in order to reflect the deletion of a tuple from the view. Such an operation may result in the (often necessary) del...
114
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ESA
2004
Springer
15 years 9 months ago
2004
Springer
Many network applications that need to distribute content and data to a large number of clients use a hybrid scheme in which one (or more) multicast channel is used in parallel to...
174
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CVPR
2012
IEEE
13 years 6 months ago
2012
IEEE
A greedy-based approach to learn a compact and discriminative dictionary for sparse representation is presented. We propose an objective function consisting of two components: ent...
273
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ICDE
2006
IEEE
16 years 5 months ago
2006
IEEE
Wireless sensor networks are proving to be useful in a variety of settings. A core challenge in these networks is to minimize energy consumption. Prior database research has propo...
123
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JSS
2010
14 years 11 months ago
2010
Test suite minimisation techniques seek to reduce the effort required for regression testing by selecting a subset of test suites. In previous work, the problem has been considere...