2775 search results - page 405 / 555 » Differencing Data Streams |
PODS
2008
ACM
15 years 10 months ago
2008
ACM
We consider a fundamental flow maximization problem that arises during the evaluation of multiple overlapping queries defined on a data stream, in a heterogenous parallel environm...
123
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RTAS
2009
IEEE
15 years 4 months ago
2009
IEEE
In recent years, there has been an increase in video surveillance systems in public and private environments due to a heightened sense of security. The next generation of surveill...
FSTTCS
2009
Springer
15 years 4 months ago
2009
Springer
ABSTRACT. We study functionally private approximations. An approximation function g is functionally private with respect to f if, for any input x, g(x) reveals no more information ...
RTSS
2006
IEEE
15 years 4 months ago
2006
IEEE
Wireless sensor networks have traditionally focused on low duty-cycle applications where sensor data are reported periodically in the order of seconds or even longer. This is due ...
105
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MM
2006
ACM
15 years 4 months ago
2006
ACM
Conventional wide-area video surveillance systems use a network of fixed cameras positioned close to locations of interest. We describe an alternative and flexible approach to w...